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ASHRAE HVAC Applications Handbook IP 2019

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ASHRAE Handbook — HVAC Applications

Published By Publication Date Number of Pages
ASHRAE 2019 1356
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The 2019 ASHRAE Handbook—HVAC Applications comprises more than 60 chapters covering a broad range of facilities and topics, written to help engineers design and use equipment and systems described in other Handbook volumes. Main sections cover comfort, industrial, energy-related, general applications, and building operations and management. ASHRAE Technical Committees in each subject area have reviewed all chapters and revised them as needed for current technology and design practice. This volume has been extensively revised, and boasts three new chapters on indoor swimming pools, indoor air modeling, and occupant-centric sensing and controls.

PDF Catalog

PDF Pages PDF Title
1 Cover
2 Front Matter
3 Dedicated To The Advancement Of
The Profession And Its Allied Industries
DISCLAIMER
4 CONTENTS
6 CONTRIBUTORS
9 ASHRAE Research: Improving the Quality of Life
Preface
10 CHAPTER 1 – RESIDENTIAL SPACE CONDITIONING
1. Systems
11 2. Equipment Sizing
Furnaces
Zoned Heating and Cooling Systems
Ventilation
Forced-Air Systems
12 3. Single-Family Residences
Hydronic Heating Systems
Solar Heating
Heat Pumps
14 Unitary Air Conditioners
Evaporative Coolers
15 Humidifiers
Dehumidifiers
Air Filters
Controls
17 4. Multifamily Residences
Hydronic Systems
Through-the-Wall Units
Water-Loop Heat Pumps
Special Concerns for Apartment Buildings
18 5. Manufactured Homes
References
19 Bibliography
20 CHAPTER 2 – RETAIL FACILITIES
1. General Criteria
2. Small Stores
Design Considerations
21 3. Discount, Big-Box, and Supercenter Stores
Load Determination
Design Considerations
22 4. Supermarkets
Load Determination
Design Considerations
24 5. Department Stores
25 Load Determination
Design Considerations
6. Convenience Centers
26 Design Considerations
7. Regional Shopping Centers
Design Considerations
8. Multiple-Use Complexes
27 Load Determination
Design Considerations
9. Sustainability and Energy Efficiency
References
Bibliography
28 CHAPTER 3 – COMMERCIAL AND PUBLIC BUILDINGS
1. Office Buildings
General Design Considerations
29 Design Criteria
Load Characteristics
30 Design Concepts
31 Systems and Equipment Selection
32 Special Systems
Spatial Requirements
33 Special Considerations
2. Transportation Centers
Airports
Cruise Terminals
Design Criteria
Load Characteristics
34 Design Concepts
Systems and Equipment Selection
Special Considerations
35 3. Warehouses and Distribution Centers
General Design Considerations
Design Criteria
Load Characteristics
36 Design Concepts
Systems and Equipment Selection
Spatial Requirements
Special Considerations
4. Sustainability and Energy Efficiency
Energy Considerations
Energy Efficiency and Integrated Design Process for Commercial Facilities
37 Building Energy Modeling
Energy Benchmarking and Benchmarking Tools
38 Combined Heat and Power in Commercial Facilities
Renewable Energy
39 Value Engineering and Life-Cycle Cost Analysis
5. Commissioning and Retrocommissioning
Commissioning: New Construction
Commissioning: Existing Buildings
6. Seismic and Wind Restraint Considerations
40 References
Bibliography
42 CHAPTER 4 – TALL BUILDINGS
1. Stack Effect
Theory
43 Practical Considerations
Calculation
45 Minimizing Stack Effect
46 Wind and Stack Effect Pressure Analysis
Safety Factors
2. Systems
3. System Selection Considerations
Air-Conditioning System Alternatives
48 4. Displacement Ventilation
49 Chilled Beams
Radiant Ceilings
Condensation Control
Variable-Frequency-Drive (VFD) Fan-Coils
Variable-Refrigerant-Flow (VRF) Systems
50 5. Central Mechanical Equipment Room Versus Floor-By-Floor Fan Rooms
Central Fan Room (Alternative 1)
Floor-by-Floor Fan Rooms with Chilled-Water Units (Alternative 2)
Floor-by-Floor Fan Rooms with Direct-Expansion Units (Alternative 3)
52 Floor-by-Floor Units Located on Outer Wall (Alternative 4)
Comparison of Alternative Schemes
Acoustics
6. Central Heating and Cooling Plants
54 Plant Economic Considerations
55 Central Plant Location
Acoustical Considerations of Central Plant Locations
Effect of Central Plant Location on Construction Schedule
7. Water Distribution Systems
Hydrostatic Considerations
56 Effect of Refrigeration Machine Location
Chilled-Water Pressure Reduction
57 Piping, Valves, and Fittings
Piping Design Considerations
Economics of Temperature Differentials
8. Vertical Transportation
Elevator Machine Room Cooling
58 Elevator Hoistway and Machine Room Venting
Elevator Shaft Pressurization
Air-Conditioning Equipment Delivery by Freight Elevators
9. Life Safety in Tall Buildings
Codes and Standards
Components of Life Safety Systems for Tall Buildings
Detection
Automatic Sprinkler Protection
59 Standpipe System
Smoke Management
Emergency Power
Fire Command Center
REFERENCES
Bibliography
60 CHAPTER 5 – PLACES OF ASSEMBLY
1. General Criteria
Safety and Security
Outdoor Air
Lighting Loads
Indoor Air Conditions
Filtration
61 Noise and Vibration Control
Ancillary Facilities
Air Conditioning
Peak Load Reduction
Stratification
Air Distribution
62 Mechanical Equipment Rooms
2. Houses of Worship
3. Auditoriums
Movie Theaters
Performance Theaters
63 Concert Halls
4. Arenas and Stadiums
Load Characteristics
Enclosed Stadiums
64 Ancillary Spaces
Ice Rinks
Gymnasiums
5. Convention and Exhibition Centers
Load Characteristics
System Applicability
65 6. Fairs and Other Temporary Exhibits
Design Concepts
Occupancy
Equipment and Maintenance
Air Cleanliness
System Applicability
7. Atriums
66 References
67 CHAPTER 6 – INDOOR SWIMMING POOLS
1. Design Components
Environmental Control
Air Quality Control
Humidity Control
Temperature Control
68 Vapor Migration
Building Pressurization
Ventilation Air
Exhaust Air
Location of Mechanical Equipment
2. Design Issues
70 Outdoor Air
Load Estimation
71 Ventilation Requirements
72 Air Distribution Effectiveness and Duct Design
Envelope Design
73 Condensation Control
Pool Water Chemistry
74 Energy Considerations
Design Checklist
References
Bibliography
75 CHAPTER 7 – HOSPITALITY
1. Load Characteristics
2. Design Concepts and Criteria
3. Systems
Energy-Efficient Systems
76 Energy-Neutral Systems
Energy-Inefficient Systems
77 Total Energy Systems
Special Considerations
4. Hotels and Motels
78 Guest Rooms
80 Public Areas
81 Back-of-the-House (BOTH) Areas
Special Concerns
82 5. Dormitories
6. Multiple-Use Complexes
References
83 Bibliography
84 CHAPTER 8 – EDUCATIONAL FACILITIES
1. Preschools
General Design 0
Design Criteria
Load Characteristics
Humidity Control
85 Systems and Equipment Selection
86 2. K-12 Schools
General and Design Considerations
87 Design Criteria
88 Load Characteristics
89 Humidity Control
Systems and Equipment Selection
91 Displacement Ventilation and Active/Induction Chilled Beams
94 3. Colleges and Universities
General and Design Considerations
95 Housing
Athletics and Recreational Facilities
96 Social and Support Facilities
Cultural Centers
Central Utility Plants
4. Sustainability and Energy Efficiency
Advanced Energy Design Guide (AEDG) for K-12 Schools
ASHRAE/USGBC/IES Standard 189.1-2014
97 Leadership in Energy and Environmental Design (LEEDÒ)
ENERGY STAR for K-12 Facilities
Collaborative for High Performance Schools (CHPS)
Laboratories for the 21st Century (Labs21)
98 EnergySmart Schools
Other Domestic and International Rating Systems
5. Energy Considerations
6. Energy Measurement and Verification (M&V)
ASHRAE Guideline 14-2014
International Performance Measurement and Verification Protocol (IPMVP; 2007)
7. Selected Topics in Energy and Design
Energy Efficiency and Integrated Design Process (IDP)
Educational Facilities for Students with Disabilities
100 Building Energy Modeling
101 Energy Benchmarking and Benchmarking Tools
Combined Heat and Power in Educational Facilities
102 Renewable Energy
103 Value Engineering (VE) and Life-Cycle Cost Analysis (LCCA)
The School as a Learning Tool for Energy Conservation and Sustainability
8. Energy Dashboards
Central Plant Optimization for Higher Education Facilities
108 9. Commissioning
Commissioning: New Construction
109 Commissioning Existing Buildings
110 10. Seismic- and Wind-Restraint Considerations
11. Selected Case Studies
References
112 Bibliography
113 CHAPTER 9- HEALTH CARE FACILITIES
1. Regulation and Resources
114 1.1 Air Conditioning in Disease Prevention and Treatment
115 1.2 Sustainability
2. Hospital Facilities
2.1 Air Quality
Infection Sources
116 Control Measures
117 Air Movement
118 Smoke Control
2.2 Facility Design and Operation
Zoning
Heating and Hot Water Standby Service
119 Mechanical Cooling
Insulation
Testing, Adjusting, and Balancing (TAB) and Commissioning
Operations and Maintenance
2.3 Specific Design Criteria
Surgery and Critical Care
121 Nursing
123 Ancillary
126 Administration
Diagnostic and Treatment
127 Decontamination, High-Level Disinfection, Sterilization and Supply
128 Service
3. Outpatient Health Care Facilities
129 Design Criteria
3.2 Dental Care Facilities
3.3 Continuity of Service and Energy Concepts
4. Residential Health, Care, and Support Facilities
Nursing Facilities
130 Standards
References
132 Bibliography
133 CHAPTER 10 – JUSTICE FACILITIES
1. Terminology
134 Energy Considerations
135 Heating and Cooling Plants and Mechanical Rooms
Controls
Fire/Smoke Management
Tear Gas and Pepper Spray Storage and Exhaust
136 Health Issues
HVAC Design Criteria
System Requirements
Dining Halls
137 Kitchens
Guard Stations
Control Rooms
Laundries
HVAC Design Criteria
System Requirements
Courtrooms/Chambers
Jury Facilities
Libraries
138 Jail Cells and U.S. Marshal Spaces (24 h Spaces)
Fitness Facilities
Acoustic Performance
HVAC Design Criteria
System Requirements
139 Intake Air Quality
Firearms Testing Laboratories
Acoustic Performance
Critical Spaces
140 Laboratory Information Management Systems (LIMS)
6. Indoor Shooting Ranges
Bibliography
141 CHAPTER 11 – AUTOMOBILES
159 CHAPTER 12 – MASS TRANSIT
1. Ventilation and Thermal Comfort
160 2. Thermal Load Analysis
Cooling Design Considerations
Heating Design Considerations
Other Considerations
3. Bus Air Conditioning
Heat Load
161 Air Distribution
Interurban Buses
Urban Buses
162 Small or Shuttle Buses
Refrigerant Piping
163 Shock and Vibration
System Safety
Controls
4. Rail Car Air Conditioning
Vehicle Types
164 Equipment Design Considerations
165 Other Requirements
Air Distribution and Ventilation
Piping Design
Control Requirements
5. Fixed-Guideway Vehicle Air Conditioning
166 System Types
Refrigeration Components
Heating
Controls
Ventilation
167 Air Distribution
References
Bibliography
168 CHAPTER 13 – AIRCRAFT
1. Design Conditions
Ambient Temperature, Humidity, and Pressure
Heating/Air Conditioning Load Determination
169 Ambient Air Temperature in Flight
170 Air Speed and Mach Number
Ambient Pressure in Flight
External Heat Transfer Coefficient in Flight
External Heat Transfer Coefficient on Ground
171 External Radiation
Conduction
Stack Pressure across Cabin Wall
172 Metabolic Heat from Occupants
Internal Heat Sources
173 Temperature Control
Air Velocity
Ventilation
FAA Advisory Circular (AC) 25-20/ Acceptable Means of Compliance/Advisory Circular-Joint 25.831
175 Dilution Ventilation and TLV
Air Exchange
176 Filtration
Pressurization/Oxygen
System Description
177 Pneumatic System
Air Conditioning
178 Cabin Pressure Control
2. Typical Flight
179 Engine Bleed Air Control
Ozone Protection
Air Conditioning and Temperature Control
Air Recirculation
180 Air Distribution
Cabin Pressure Control
3. Air Quality
Factors Affecting Perceived Air Quality
Airflow
Air Changes
181 Ozone
Microbial Aerosols
Activity Levels
Volatile Organic Compounds
Carbon Dioxide
4. Regulations
182 14 CFR/CS/JAR Paragraph 25.831: Ventilation
14 CFR 25.831, Amendment 25-87 (specifies new requirements)
14 CFR/CS 25.832: Cabin Ozone Concentration
14 CFR/CS/JAR 25.841: Pressurized Cabins
14 CFR Amendment 25-87
14 CFR/CS/JAR 25.1301: Function and Installation
14 CFR/CS/JAR 25.1309: Equipment, Systems, and Installations
14 CFR/CS 25.1438: Pressurization and Pneumatic Systems
183 14 CFR/CS/JAR 25.1461: Equipment Containing High-Energy Rotors
Categories and Definitions
References
BIBLIOGRAPHY
184 CHAPTER 14 – SHIPS
1. Merchant Ships
Load Calculations
185 Equipment
Typical Systems
186 Air Distribution Methods
Control
Regulatory Agencies
2. Naval Surface Ships
Design Criteria
187 Load Determination
Equipment Selection
Typical Air Systems
Air Distribution Methods
Control
188 References
Bibliography
189 CHAPTER 15 – INDUSTRIAL AIR CONDITIONING
1. General Requirements
2. Process and Product Requirements
Rate of Chemical Reaction
Rate of Crystallization
Rate of Biochemical Reaction
191 Product Accuracy and Uniformity
192 Product Formability
Moisture Regain
Corrosion, Rust, and Abrasion
Air Cleanliness
193 Static Electricity
3. Personnel Requirements
Thermal Control Levels
Contamination Control Levels
4. Design Considerations
Material Handling (MH) Airlock Interface
194 5. Load Calculations
Solar and Transmission
Internal Heat Generation
Stratification Effect
195 Makeup Air
Fan Heat
6. Pressurization
Explosion Management
7. System and Equipment Selection
196 8. Heating Systems
Floor Heating
Unit and Ducted Heaters
Infrared Heaters
9. Cooling Systems
Refrigerated Cooling Systems
Evaporative Cooling Systems
197 10. Air Filtration Systems
Exhaust Air Filtration Systems
Contamination Control
11. Exhaust Systems
12. Operation and Maintenance
198 13. Heat Recovery and Energy Conservation
14. Control Systems
15. Life and Property Safety
199 16. Commissioning
References
200 Bibliography
201 CHAPTER 16 – ENCLOSED VEHICULAR FACILITIES
1. Tunnels
Tunnel Ventilation Concepts
Tunnel Ventilation Systems
Design Approach
203 Tunnel Fires
Road Tunnels
211 Rapid Transit Tunnels and Stations
216 Railroad Tunnels
218 2. Parking Garages
219 Ventilation Requirements and Design
221 Types of Ventilation Systems for Enclosed Parking Garages
222 Ductless Design Methodology
Supply and Exhaust Placement
Jet Fan Design and Placement
223 CFD Analysis
Control Sequencing
High-Temperature Product Requirements
3. Automotive Repair Facilities
224 4. Bus Garages
Maintenance and Repair Areas
Servicing Areas
225 Storage Areas
Design Considerations and Equipment Selection
Effects of Alternative Fuel Use
226 5. Bus Terminals
Platforms
227 Bus Operation Areas
228 Calculation of Ventilation Rate
229 6. Tollbooths
Air Quality Criteria
Design Considerations
Equipment Selection
230 7. Diesel Locomotive Facilities
Ventilation Guidelines and Facility Types
231 Contaminant Level Criteria
Contaminant Emission Rate
Locomotive Operation
232 Design Methods
235 8. Equipment
Fans
237 Dampers
240 9. National and International Safety Standards and Guidelines
National Fire Protection Association (NFPA)
World Road Association (PIARC)
Country-Specific Standards and Guidelines
241 Building and Fire Codes
References
243 Bibliography
244 CHAPTER 17 – LABORATORIES
1. General Design Guidance
Laboratory Resource Materials
245 1.2 Hazard Assessment
1.3 Design Parameters
Internal Thermal Considerations
246 Architectural Considerations
2. Laboratory Exhaust and Containment Devices
Types of Fume Hoods
247 Fume Hood Sash Configurations
248 Fume Hood Performance
2.2 Biological Safety Cabinets
249 Class I Cabinets
250 Class II Cabinets
Class III Cabinets
2.3 Miscellaneous Exhaust Devices
2.4 Laminar Flow Clean Benches
251 2.5 Compressed Gas Storage and Ventilation
Gas Cylinder Closets
Gas Cylinder Cabinets
3. Laboratory Ventilation
Usage Factor
252 Noise
Filtration
Air Distribution
3.2 Exhaust Systems
Types of Exhaust Systems
253 Ductwork Leakage
Containment Device Leakage
Materials and Construction
254 3.3 Fire Safety for Ventilation Systems
3.4 Control
Thermal Control
255 Constant-Air-Volume (CAV) Versus Variable-Air- Volume (VAV) Room Airflow Control
Room Pressure Control
256 Fume Hood Control
3.5 Stack Heights and Air Intakes
Stack/Intake Separation
Stack Height
Stack Height plus Vertical Momentum
Architectural Screens
257 Criteria for Suitable Dilution
Adjacent Building Effects
4. Applications
4.1 Laboratory Animal Facilities
Primary Uses of Animal Housing Facilities
Regulatory Environment
258 Temperature and Humidity
Ventilation
Animal Heat Production
259 Design Considerations
Caging Systems
4.2 Ancillary Spaces for Animal Laboratories
260 4.3 Containment Laboratories
Biosafety Level 1
Biosafety Level 2
Biosafety Level 3
Biosafety Level 4
Biosafety Level 3Ag
4.4 Scale-Up Laboratories
261 4.5 Teaching Laboratories
4.6 Clinical Laboratories
4.7 Radiochemistry Laboratories
4.8 Operation and Maintenance
262 4.9 Energy
Energy Efficiency
263 Energy Recovery
Sustainable Design
4.10 Commissioning
264 4.11 Economics
References
265 Bibliography
267 CHAPTER 18 – ENGINE TEST FACILITIES
1. Engine Heat Release
2. Engine Exhaust
268 3. Internal Combustion Engine Test Cells
Test Cell Exhaust
269 4. Test Cell Supply
5. Gas-Turbine Test Cells
6. Chassis Dynamometer Rooms
270 7. Ventilation
8. Combustion Air Supply
9. Cooling Water Systems
10. Noise
Bibliography
272 CHAPTER 19 – CLEAN SPACES
1. Terminology
274 2. Clean Spaces and Cleanroom Applications
3. Airborne Particles and Particle Control
Particle Sources in Clean Spaces
275 Fibrous Air Filters
4. Air Pattern Control
Non-unidirectional Airflow
276 Unidirectional Airflow
Computational Fluid Dynamics (CFD)
278 Air Change Rate Determination
Demand Control Airflow
279 5. Airflow Direction Control Between Clean Spaces
280 Space Pressurization
281 Multiple-Space (Suite) Pressurization
6. Testing Clean Air and Clean Spaces
282 7. Pharmaceutical and Biomanufacturing Clean Spaces
Design Process
283 Design Concerns for Pharmaceutical Cleanrooms
285 Decontamination
286 Barrier Technology
Maintainability
Controls, Monitors, and Alarms
287 Noise Concerns
Nonaseptic Products
8. Start-Up and Qualification of Pharmaceutical Cleanrooms
Qualification of HVAC for Aseptic Pharmaceutical Manufacturing
Qualification Plan and Acceptance Criteria
288 9. Semiconductor Cleanrooms
Configuration
289 Contamination Control
Static Charge and Electromagnetic Interference
Semiconductor Fab Conditions
290 Cleanroom Cleanliness and Airflow Concepts
292 10. High-Bay Cleanrooms
Downflow and Horizontal-Flow Designs
Air Handling
293 Equipment and Filter Access
Prefilter Selection
Design Criteria and Indoor Air Quality
11. Environmental Systems
Cooling Loads and Cooling Methods
Makeup Air
294 Process Exhaust
Fire Safety for Exhaust
Air Temperature and Humidity
295 Air Pressurization
Sizing and Redundancy
296 Minienvironments
Fan-Filter Units
12. Sustainability and Energy Conservation
297 Cleanrooms and Resource Use: Opportunities to Improve Sustainability
298 13. Noise and Vibration Control
14. SPACE Construction and Operation
299 Construction Finishes
Personnel and Garments
Materials and Equipment
Particulate Producing Operations
Entries
15. Cleanroom Installation and Test Procedures
Installation
300 Pressurization Test and Map
Operation Personnel Training Program
301 Cleanliness Verification Test
Commissioning
Process Equipment Installation (Tool Hook-up)
16. Integration of Cleanroom Design and Construction
302 17. Life and Property Safety
Hazards Generated on Cleanroom Property
Fire and Hazardous Gas Detection, Alarm, and Suppression Systems
Homeland Security and Emergency Response Plan
303 IEST Recommended Practices
References
304 Bibliography
305 CHAPTER 20 – DATA CENTERS AND TELECOMMUNICATION FACILITIES
1. Useful Datacom Resources
ASHRAE Datacom Series
307 ANSI/ASHRAE Standard 90.4-2016, Energy Standard for Data Centers (ASHRAE 2016b)
ANSI/ASHRAE Standard 127-2012, Method of Testing for Rating Computer and Data Processing Room Unitary Air Conditioners
ANSI/AHRI Standard 1360 (I-P)-2017, Performance Rating of Computer and Data Processing Room Air Conditioners
308 ANSI/TIA Standard TIA-942-B-2017, Telecommunications Infrastructure Standard for Data Centers
ANSI/BICSI Standard 002-2014, Data Center Design and Implementation Best Practices
2. Datacom Equipment, Power Trends, and Environmental Guidelines
2.1 Datacom Equipment Workload
Load Characterization
2.2 Datacom Equipment Racks
2.3 Datacom Equipment (Hardware)
309 Server Classifications
Datacom Equipment Airflow
Liquid-Cooled Datacom Equipment
310 Contamination
Environmental Guidelines for Air-Cooled Equipment
312 Environmental Guidelines for Liquid-Cooled Equipment
Datacom Equipment Nameplate Ratings and Manufacturers’ Heat Release
Power Trends
313 2.4 Datacom Equipment Components
Thermal Design Overview
Air-Cooled Datacom Equipment Components
314 Power and Thermal and Moisture Management
Liquid-Cooled Datacom Equipment Components
315 3. Datacom Facilities
3.1 General Considerations
Spatial and Envelope Considerations
Datacom Rooms
316 Support and Ancillary Spaces
317 Other Systems and Considerations
318 Redundancy, Reliability, and Concurrent Maintainability
319 3.2 Air Cooling
Air-Cooling System Configurations
Air Distribution
320 Computational Fluid Dynamic (CFD) Analysis
321 3.3 Liquid Cooling
Liquid-Cooling System Configurations
Piping and Distribution Systems
322 3.4 Water USAGE
Water Usage Effectiveness (WUE™)
3.5 Energy Efficiency
Power Usage Effectiveness (PUE™)
323 Partial-Load Operation
Economizers
324 ASHRAE DATACOM SERIES
References
Bibliography
325 CHAPTER 21 – PRINTING PLANTS
1. Design Criteria
Special Considerations
326 2. Control of Paper Moisture Content
3. Platemaking
4. Relief Printing
327 5. Lithography
Recommended Environment
328 Air Conditioning
6. Rotogravure
7. Other Plant Functions
Flexography
Collotype Printing
Salvage
Air Filtration
329 Binding and Shipping
References
330 CHAPTER 22 – TEXTILE PROCESSING PLANTS
1. Terminology
2. Fiber Making
331 3. Yarn Making
Cotton System
332 Woolen and Worsted Systems
Twisting Filaments and Yarns
4. Fabric Making
Preparatory Processes
Weaving
333 Knitting
Dyeing and Finishing
5. Air-Conditioning Design
Open-Sump Chilled-Water Systems
Integrated Systems
334 Collector Systems
335 Air Distribution
336 Health Considerations
Safety and Fire Protection
6. Energy Conservation
Bibliography
337 CHAPTER 23 – PHOTOGRAPHIC MATERIAL FACILITIES
1. Storing Unprocessed Photographic Materials
2. Processing and Printing Photographic Materials
Air Conditioning for Preparatory Operations
Air Conditioning for Processing Operations
338 Air Conditioning for the Printing/ Finishing Operation
339 Particulates in Air
Other Exhaust Requirements
Processing Temperature Control
3. Storing Processed Film and Paper
Film Longevity
Medium-Term Storage
Long-Term Storage
340 Storage of Cellulose Nitrate Base Film
Storage of Color Film and Prints
Storage of Black-and-White Prints
Storage of Digital Images
References
341 Bibliography
342 CHAPTER 24 – MUSEUMS, GALLERIES, ARCHIVES, AND LIBRARIES
1. Terminology
2. Key Considerations
2.1 Heritage
343 2.2 Context
2.3 International Standards
2.4 Preservation and Risk Management
2.5 Sustainability
344 3. Context and Predesign
345 3.1 Mission and Strategy
3.2 Determine Needs
346 3.3 Current Environment
3.4 Overview of Risks
3.5 Accept or Modify Environment
3.6 Analyze/Predict Achievable Environments and Impediments
347 3.7 Set Parameters and Objectives
3.8 Develop Options
3.9 Review Options and Select
3.10 Predesign Program Brief
3.11 Design of Solution
3.12 Procurement and Construction
3.13 Start-up and Commissioning
3.14 Training and Documentation
348 3.15 Evaluate and Revise
4. Overview of risks
349 5. Environmental Effects on Collections
5.1 Biological Damage
350 5.2 Mechanical Damage
352 5.3 Chemical Damage
Relative Humidity
354 Temperature
355 5.4 Critical Relative Humidity
356 Response Times of Artifacts
358 5.5 Airborne Pollutants/Contaminants
Sources
Impact
360 6. Design Parameters for Performance Target Specifications
6.1 Climate Loads
361 6.2 Building Envelope
364 6.3 Temperature and Relative Humidity
367 6.4 Airborne Pollutant Control Strategies
368 6.5 Control Strategies for Objects with High Vulnerability to Pollutants
Silver
369 Lead
Calcareous Objects
Sodium- and Potassium-Rich Glasses
Colorants
Cellulose Papers
Cellulose Acetate Films
Cellulose Nitrate Films
Difficult-to-Clean Objects
7. Controls Design
370 7.1 Philosophy
371 7.2 Zoning
7.3 Basic Processes
372 7.4 Outdoor Air and Ventilation
Outdoor Air
Air-Side Economizers
Pressurization
Natural Ventilation for Preservation
Air Change Rates
Stack Effect
Stratification
373 7.5 Special Climatic Consideration
Humidistatically Controlled Heating
Hot and Humid Environments
7.6 Interior Construction
8. Control Equipment
374 8.1 Hardware
Sensors
Variable-Frequency Drives
8.2 Software
9. System Design and Selection
375 9.1 Energy and Operating Costs
Energy Audits
Life-Cycle Cost Analysis (LCCA)
Energy Efficiency
Lighting and Daylighting
376 Hybrid (Load-Sharing) HVAC Systems
Dual Fuel and Multiple Energy Sources
Maintenance and Ease of Operation
9.2 Design Issues
Zoning/Functional Organization
377 System Design and Envelope Performance
Reliability and Resiliency
Loads
378 Shelving, Storage Cabinetry, and Compact Storage
Integrating HVAC with Design of Exhibit Cases, Closed Cabinets, and Packaging
379 9.3 Specialized Spaces
Cold/Frozen Storage Vaults
Conservation Laboratories
9.4 Primary Elements and Features
Air Volumes
Fans
Heating Equipment
380 Cooling Equipment
Humidification
Dehumidification
381 Outdoor Air
Ductwork
9.5 Filtration
Design
Performance
382 9.6 System Types
Variable-Air-Volume and Constant-Volume
VAV or CV Reheat
Multizone Systems
Dual-Duct Systems
383 Fan-Coil Units
Fan-Powered Mixing Boxes
10. Construction
11. Commissioning
12. Training and Documentation
384 13. Optimization
References
387 Bibliography
388 CHAPTER 25 – ENVIRONMENTAL CONTROL FOR ANIMALS AND PLANTS
1. Design for Animal Environments
Design Approach
Temperature Control
389 Moisture Control
Air Quality Control
390 Disease Control
Air Distribution
Degree of Shelter
391 1.1 Cooling and Heating
Air Velocity
Evaporative Cooling
Mechanical Refrigeration
Earth Tubes
Heat Exchangers
Supplemental Heating
392 Insulation Requirements
1.2 Ventilation
Mechanical Ventilation
Natural Ventilation
1.3 Ventilation Management
Air Distribution
393 Fans
394 Thermostats
Emergency Warning
1.4 Recommended Practices by Species
Dairy Cattle
Beef Cattle
Swine
395 Poultry
396 Laboratory Animals
397 2. Design for Plant Facilities
2.1 Greenhouses
Site Selection
398 Heating
400 Cooling
401 Other Environmental Controls
402 Design Conditions
Alternative Energy Sources and Energy Conservation
403 Modifications to Reduce Heat Loss
2.2 Plant Growth Environmental Facilities
Location
Construction and Materials
404 Floors and Drains
Plant Benches
Control
Heating, Air Conditioning, and Airflow
Lighting Environmental Chambers
407 Phytotrons
408 2.3 Other Plant Environmental Facilities
References
409 Bibliography
413 CHAPTER 26 – DRYING AND STORING SELECTED FARM CROPS
Grain Quantity
414 Economics
1. Drying
1.1 Drying Equipment and Practices
Fans
415 Heaters
Controls
1.2 Shallow-Layer Drying
Batch Dryers
Continuous-Flow Dryers
Reducing Energy Costs
416 1.3 Deep-Bed Drying
Full-Bin Drying
418 Layer Drying
Batch-in-Bin Drying
419 Recirculating/Continuous-Flow Bin Drying
2. Drying Specific Crops
2.1 Soybeans
Drying Soybeans for Commercial Use
Drying Soybeans for Seed and Food
420 2.2 Hay
In-Storage Drying
Batch Wagon Drying
2.3 Cotton
421 2.4 Peanuts
2.5 Rice
3. Storage Problems and Practices
3.1 Moisture Migration
3.2 Grain Aeration
422 Aeration Systems Design
423 Operating Aeration Systems
424 4. Seed Storage
Bibliography
425 CHAPTER 27 – AIR CONDITIONING OF WOOD AND PAPER PRODUCT FACILITIES
1. General Wood Product Operations
426 Process Area Air Conditioning
Finished Product Storage
2. Pulp and Paper Operations
Paper Machine Area
427 Finishing Area
Process and Motor Control Rooms
428 Paper Testing Laboratories
Miscellaneous Areas
System Selection
Bibliography
429 CHAPTER 28 – POWER PLANTS
1. General Design Criteria
Temperature and Humidity
431 Equipment Selection
Ventilation Rates
Chlorine Room Ventilation
432 Infiltration and Exfiltration
Filtration and Space Cleanliness
Redundancy
Noise
Ductwork and Equipment Location
2. Ventilation Approach
433 3. Applications
Driving Forces
Air Distribution
Inlet and Exhaust Areas
Noise
Plant Cleanliness
Economics
4. Steam Generator Buildings: Industrial and Power Facilities
Burner Areas
434 Steam Drum Instrumentation Area
Local Control and Instrumentation Areas
435 Coal- and Ash-Handling Areas
436 Stack Effect
Sources of Combustion Air
5. Turbine Generator Building
Local Control and Instrumentation Areas
437 Deaerator Mezzanine
Bridge Crane Operating Rooms
Suboperating Level
Electric Transformer Rooms
Plant Electrical Distribution Equipment and Switchgear/MCC Rooms
Isophase Bus Duct Cooling
6. Combustion Turbine Areas
438 7. Main Control Center
Control Rooms
Battery Rooms
Chemical Analysis Facilities
8. Substation and Switchyard Control Structures
Design Considerations
9. Turbine Lubricating Oil Storage
439 10. Oil Storage and Pump Buildings
11. Coal Crusher and Coal Transportation System Buildings
Potential for Dust Ignition Explosion
Ventilation of Conveyor and Crusher Motors in Coal Dust Environment
Cooling or Ventilation of Electrical and Control Equipment
Ventilation of Methane Fumes
Underground Tunnels and Conveyors
Dust Collectors
440 12. Heating/Cooling Systems
Cooling
Heating
Hydroelectric Power Plants
13. Energy Recovery
441 14. Safety Considerations
References
Bibliography
442 CHAPTER 29 – NUCLEAR FACILITIES
1. General Design Issues
1.1 As Low as Reasonably Achievable (ALARA)
1.2 Design
443 1.3 Normal or Power Design Basis
1.4 Safety Design Basis
1.5 Outdoor Conditions
1.6 Indoor Conditions
1.7 Indoor Pressures
1.8 Airborne Radioactivity
1.9 Tornado/Missile Protection
1.10 Fire Protection
444 1.11 Smoke Management
Control Room Habitability Zone
Air Filtration
445 2. Department of Energy Facilities
2.1 Confinement Systems
Zoning
Air Locks
Zone Pressure Control
Cascade Ventilation
446 Differential Pressures
2.2 Ventilation
Ventilation Requirements
Ventilation Systems
Control Systems
447 Air and Gaseous Effluents Containing Radioactivity
3. Commercial Facilities
3.1 Operating Nuclear Power Plants
Accident Scenarios
Major NSSS Types
448 Commercial Plant License Renewal and Power Uprate
3.2 New Nuclear Power Plants
Advanced Passive AP1000
449 Economic Simplified Boiling-Water Reactor (ESBWR)
U.S. Evolutionary Power Reactor (USEPR)
4. Plant HVAC&R Systems
4.1 Pressurized-Water Reactors
Containment Building
450 4.2 Boiling-Water Reactors
Primary Containment
Reactor Building
451 Turbine Building
4.3 Heavy Water Reactors
Containment Inlet Air-Conditioning/Exhaust Ventilation System
4.4 Areas Outside Primary Containment
Auxiliary Building
Control Room
Control Cable Spreading Rooms
Diesel Generator Building
Emergency Electrical Switchgear Rooms
452 Battery Rooms
Fuel-Handling Building
Personnel Facilities
Pumphouses
Radioactive Waste Building
Technical Support Center
4.5 Nonpower Medical and Research Reactors
4.6 Laboratories
Glove Boxes
Laboratory Fume Hoods
Radiobenches
4.7 Decommissioning Nuclear Facilities
453 Low-Level Radioactive Waste
4.8 Waste-Handling Facilities
4.9 Reprocessing Plants
4.10 Mixed-Oxide Fuel Fabrication Facilities
Resources
456 CHAPTER 30 – MINE AIR CONDITIONING AND VENTILATION
1. Definitions
457 2. Sources of Heat Entering Mine Air
Adiabatic Compression
Electromechanical Equipment
Groundwater
458 Wall Rock Heat Flow
459 Heat from Broken Rock
Heat from Other Sources
Summation of Mine Heat Loads
3. Heat Exchangers
Shell-and-Tube and Plate Heat Exchangers
Cooling Coils
460 Small Spray Chambers
Cooling Towers
462 Large Spray Chambers (Bulk Air Coolers)
4. Mine-Cooling Techniques
Increasing Airflows
Chilling Service Water
463 Reducing Water Pressure and Energy Recovery Systems
Bulk Cooling Versus Spot Cooling
Combination (Integrated) Surface Systems
Underground Refrigeration
Ice Plants
Thermal Storage
464 Controlled Recirculation
Operator Cabs and Cooling Vests
Other Methods
5. Selecting a Mine-Cooling Method
465 6. Mechanical Refrigeration Plants
Surface Plants
Underground Plants
Spot Coolers
Maintenance
7. Mine Air Heating
466 8. Mine Ventilation
Determining Airflows
Planning the Circuit
467 Specifying Circuit Fans
468 Determining Auxiliary System Requirements
Assessing Health and Safety
References
470 CHAPTER 31 – INDUSTRIAL DRYING SYSTEMS
1. Mechanism of Drying
2. Applying Hygrometry to Drying
3. Determining Drying Time
471 Commercial Drying Time
Dryer Calculations
472 4. Drying System Selection
5. Types of Drying Systems
Radiant Infrared Drying
Ultraviolet Radiation Drying
Conduction Drying
473 Dielectric Drying
Microwave Drying
Convection Drying (Direct Dryers)
475 Freeze Drying
Vacuum Drying
Fluidized-Bed Drying
Agitated-Bed Drying
Drying in Superheated Vapor Atmospheres
476 Flash Drying
Constant-Moisture Solvent Drying
References
477 CHAPTER 32 – VENTILATION OF THE INDUSTRIAL ENVIRONMENT
478 1. Ventilation Design Principles
General Ventilation
Makeup Air
2. General Comfort and Dilution Ventilation
Quantity of Supplied Air
479 Air Supply Methods
480 Local Area and Spot Cooling
Locker Room, Toilet, and Shower Space Ventilation
Roof Ventilators
481 3. Heat Control
Ventilation for Heat Relief
Heat Stress—Thermal Standards
482 Heat Exposure Control
4. Energy Conservation, Recovery, and Sustainability
483 References
484 Bibliography
486 CHAPTER 33 – INDUSTRIAL LOCAL EXHAUST SYSTEMS
Local Exhaust Versus General Ventilation
487 1. Local Exhaust Fundamentals
System Components
System Classification
Effectiveness of Local Exhaust
488 Principles of Hood Design Optimization
2. Air Movement in Vicinity of Local Exhaust
489 Pressure Loss in Hoods and Ducts
491 Overhead Canopy Hoods
Canopy Hoods with Sidewalls
Low Canopy Hoods
High Canopy Hood Use as Redundant Control Measure
Ventilation Controls for Large-Scale Hot Processes
Ventilation Controls for Small-Scale Hot Processes
Sidedraft Hoods
3. Other Local Exhaust System Components
Duct Design and Construction
493 Air Cleaners
Air-Moving Devices
Energy Recovery to Increase Sustainability
Exhaust Stacks
Instrumentation and Controls
494 4. Operation
System Testing and Balancing
Operation and Maintenance
References
Bibliography
496 CHAPTER 34 – KITCHEN VENTILATION
1. Commercial Kitchen Ventilation
Sustainability
Design Best Practices
Ventilation Rates for Hooded Door Dishwashers
Recommended Frequency of Maintenance
497 1.1 Commissioning
1.2 Ventilation Design
Design Process
498 1.3 System Integration and Design
Principles
499 Incorporating Variable-Frequency Drives (VFDs) for Exhaust Fan Control
500 Multiple-Hood Systems Served by Single Exhaust Fan
Dynamic Volumetric Flow Rate Effects
501 1.4 Energy Considerations
Energy Conservation Strategies
502 Demand-Controlled Kitchen Ventilation
503 Reduced Exhaust and Associated Duct Velocities
Dishroom Ventilation
504 Designing for High-Performance Green Building Compliance under ANSI/ASHRAE/USGBC/IES Standard 189.1
505 1.5 Thermal Comfort
Dishwashing Area
1.6 Commercial Exhaust Hoods
506 Hood Types
Type I Hoods
509 Island Canopy Hoods
510 Wall Canopy Hoods, Appliance Positioning, and Diversity
513 Type II Hoods
514 Ventilation for Conveyor Dish Machines
515 Recirculating Systems
Downdraft Appliance Ventilation Systems
516 Field Performance Testing
1.7 Cooking Effluent Generation and Control
Effluent Generation
517 Thermal Plume Behavior
518 Effluent Control
Grease Extraction
520 1.8 Replacement (Makeup) Air Systems
521 Indoor Environmental Quality
Replacement Air Introduction
Replacement Air Categories
522 Air Distribution
526 1.9 HVAC System Design
Hooded and Unhooded Appliance Loads
Outdoor Air Loads
527 Thermal Comfort Research Results
1.10 Exhaust Systems
Duct Systems
528 1.11 Exhaust Fans
Types of Exhaust Fans
529 Exhaust Terminations
1.12 Fire Safety
530 Fire Suppression Systems
531 Preventing Fire Spread
533 1.13 System Commissioning and Air Balancing
Air Balancing
System Tests
534 Performance Test
Follow-Up: Records
1.14 Operations and Maintenance
Sustainability Impact
535 Operation
Maintenance
Cooking Equipment
Exhaust Systems (e.g., Hoods)
536 Supply, Replacement, and Return Air Systems
2. Residential Kitchen Ventilation
Equipment and Processes
2.1 Exhaust Systems
Hoods and Other Ventilation Equipment
537 Differences Between Commercial and Residential Equipment
Exhaust Duct Systems
538 Replacement (Makeup) Air
High-Rise Systems
Energy Conservation
Fire Protection for Residential Hoods
Maintenance
3. Research
Research Overview
539 Benefits to the HVAC Industry
References
540 Bibliography
542 CHAPTER 35 – GEOTHERMAL ENERGY
1. Ground-Source Heat Pumps
1.1 Terminology
Ground-Coupled Heat Pump Systems
544 Groundwater Heat Pump (GWHP) Systems
Surface Water Heat Pump Systems
545 1.2 General Information
Site Characterization
Commissioning GSHP Systems
Codes and Standards
1.3 Ground-Coupled Heat Pump Systems Using Water-Based Heat Transfer Fluids
Vertical Design
556 Simulation of Ground Heat Exchangers
557 Hybrid System Design
559 Pump and Piping System Options
562 Pressure Considerations in Deeper Vertical Boreholes
564 Effect of GSHP Equipment Selection on Heat Exchanger Design
Horizontal and Small Vertical System Design
568 Central Plant Systems
569 Antifreeze Requirements
1.4 Ground-Coupled Heat Pump Systems Using Refrigerant-Based Heat Transfer Fluids (Direct Exchange)
570 System Design
571 Ground Heat Exchanger Corrosion Protection System
1.5 Open-Loop Groundwater Heat Pump System components
Water Wells
572 Flow Testing
573 Groundwater Quality
574 Well Pumps
575 1.6 Open-Loop Groundwater Heat Pump System Design
Extraction Well Commercial Systems
576 Central Plant Systems
Extraction Well Residential Systems
577 Standing-Column Systems
1.7 Surface Water Heat Pumps
578 Heat Transfer in Lakes
Thermal Patterns in Lakes
579 Closed-Loop Lake Water Heat Pump Systems
Open-Loop Lake Water Heat Pump and Direct Surface Cooling Systems
580 2. Direct-Use Geothermal Energy
2.1 Resources
581 Temperature
2.2 Fluids
582 2.3 Present Use
2.4 Design
2.5 Cost Factors
Well Depth
Distance Between Resource Location and Application Site
Well Flow Rate
583 Resource Temperature
Temperature Drop
Load Factor
Composition of Fluid
Ease of Disposal
Direct-Use Water Quality Testing
584 2.6 Materials and Equipment
Performance of Materials
585 Pumps
586 Heat Exchangers
587 Valves
Piping
2.7 Residential and Commercial Building Applications
Space Heating
588 Domestic Water Heating
Space Cooling
589 Cascading Systems
2.8 Industrial Applications
3. Renewability
References
592 Bibliography
593 CHAPTER 36 – SOLAR ENERGY USE
1. Quality and Quantity of Solar Energy
Solar Constant
Solar Angles
594 Solar Time
Incident Angle
595 Solar Spectrum
Solar Radiation at the Earth’s Surface
Design Values of Total Solar Irradiation
596 Solar Energy for Flat-Plate Collectors
597 Longwave Atmospheric Radiation
598 2. Solar Energy Collection
Solar Heat Collection by Flat-Plate Solar Thermal Collectors
Glazing Materials
599 Absorber Plates
Concentrating Collectors
601 Flat-Plate Collector Performance
602 3. Water Heating Systems
603 Hot-Water System Components
605 Thermosiphon Systems
Direct-Circulation Systems
Indirect Water-Heating Systems
606 Integral Collector Storage Systems
Site-Built Systems
607 Pool Heaters
Hot-Water Recirculation
4. Active and Passive Systems for Solar Heating and Cooling Systems
608 Passive Systems
5. Cooling by Nocturnal Radiation and Evaporation
609 Active Systems
Space Heating and Service Hot Water
610 6. Cooling by Solar Energy
Solar Cooling with Absorption Refrigeration
611 Design, Control, and Operation Guidelines
7. Sizing Solar Heating and Cooling Systems: Energy Requirements
Performance Evaluation Methods
612 Simplified Analysis Methods
Water-Heating Load
Active Heating/Cooling
Standard Systems
f-Chart Method
614 Other Active Collector Methods
Passive Heating
615 Other Passive Heating Methods
8. Installation Guidelines of Solar Thermal Collectors
616 Collector Mounting
Freeze Protection
Overheat Protection
617 Safety
Start-Up Commissioning Procedure
Maintenance
Performance Monitoring/Minimum Instrumentation
9. Design, Installation, and Operation Checklist of Solar Heating and Cooling Systems
Collectors
618 Heat Transfer Fluid
Airflow
Thermal Storage
Uses
Controls
619 Performance
10. Photovoltaic Applications
Grid-Connected Systems
PV for Buildings
620 Other Photovoltaic Applications
621 11. Design and Performance of Photovoltaic Systems
PV Design Considerations
622 PV, BAPV, and BIPV Electrical Performance
626 12. Installation and Operation Guidelines for Photovoltaic Systems
Safety
Documentation
Start-Up Commissioning
Maintenance
627 Performance Monitoring/Minimum Instrumentation
13. Symbols
628 References
629 Bibliography
631 CHAPTER 37 – ENERGY AND WATER USE AND MANAGEMENT
1. Energy and Water Management
632 Organizing for Energy and Water Management
Energy Managers
2. Communications
633 3. Energy and Water Accounting Systems
Energy and Water Accounting
Energy and Water Accounting Process
Utility Rates
4. Analyzing Energy and Water Data
Preparing for Cost and Efficiency Improvements
Analyzing Energy and Water Use Data
634 Electrical Use Profile
635 Calculating Electrical Load and Occupancy Factors
636 Calculating Seasonal ELFs
Electricity Demand Billing
Benchmarking Energy Use
638 Benchmarking Water Use
640 5. Surveys and Audits
Energy and Water Audits
641 6. Improving Discretionary Operations
Basic Energy and Water Management
Optimizing More Complex System Operation
642 7. Energy- and Water-Efficiency Measures
Identifying Energy- and Water-Efficiency Measures
Evaluating Energy- and Water-Efficiency Measures
643 Exploring Financing Options
8. Implementing Energy-Efficiency Measures
9. Monitoring Results
644 10. Evaluating Success and Establishing New Goals
Establishing Key Performance Indicators
Building Energy Labels
645 Tracking Performance
Establishing New Goals
Reporting
646 11. Building Emergency Energy Use Reduction
Implementing Emergency Energy and Water Use Reductions
647 General
Thermal Envelope
HVAC Systems and Equipment
Lighting Systems
Water Use Systems
Special Equipment
Building Operation Demand Reduction
When Power Is Restored
References
648 Bibliography
Online Resources
649 CHAPTER 38 – OWNING AND OPERATING COSTS
Initial Cost
650 Analysis Period
Service Life
652 Depreciation
Interest or Discount Rate
Periodic Costs
2. Operating Costs
653 Electrical Energy
654 Natural Gas
Other Fossil Fuels
Energy Source Choices
655 Water and Sewer Costs
3. Maintenance Costs
Estimating Maintenance Costs
Factors Affecting Maintenance Costs
656 4. Refrigerant Phaseouts
Other Sources
5. Other Issues
Financing Alternatives
658 District Energy Service
On-Site Electrical Power Generation
659 6. Economic Analysis Techniques
Simple Payback
More Sophisticated Economic Analysis Methods
661 Summary of SIR Method
Computer Analysis
Reference Equations
7. Symbols
663 References
Bibliography
664 CHAPTER 39 – TESTING, ADJUSTING, AND BALANCING
1. Terminology
2. General Criteria
Design Considerations
665 Stratification
3. Air Volumetric Measurement Methods
Air Devices
Duct Flow
3.1 Mixture Plenums
Pressure Measurement
666 4. Instruments
Air Testing and Balancing
668 Fluid Testing and Balancing
669 Other Air or Fluid System Measurements
673 5. Air Testing, Adjusting, and Balancing
System Preparation
Air System Testing and Adjusting
Air System Balancing
676 Report Information
677 6. Balancing Hydronic Systems
Heat Transfer at Reduced Flow Rate
678 Heat Transfer at Excessive Flow
Generalized Chilled Water Terminal: Heat Transfer Versus Flow
679 Flow Tolerance and Balance Procedure
Water-Side Balancing
681 Normal Instrumentation for Field Measurement
682 System Calculation and Specification
685 Equipment
Record Keeping
Sizing Balancing Valves and Flow Measurement Devices
7. Hydronic Balancing Methods
System Preparation for Static System
686 Pump Start-Up
Confirmation of System Venting
Balancing
Balance by Temperature Difference
Water Balance by Proportional Method
687 Proportional Balancing
Other Balancing Techniques
688 General Balance Procedures
Balance Procedure: Primary and Secondary Circuits
8. Fluid Flow Measurement
Flow Measurement Based on Manufacturer’s Data
Pressure Differential Readout
689 Conversion of Differential Pressure to Head
Differential Head Readout with Manometers
Orifice Plates, Venturi, and Flow Indicators
690 Using Pump as Indicator
691 Central Plant Chilled-Water Systems
Water Flow Instruments
9. Balancing Steam Distribution Systems
Procedures for Steam Balancing Variable Flow Systems
692 Steam Flow Measuring Devices
Steam Pressure Regulation
10. Balancing Cooling Towers
Measurements and Verification Process
11. Verification of Controls Operation
693 12. Thermal Performance Verification
13. Outdoor Air Ventilation Verification
14. Temperature Control Verification
Suggested Procedures
694 15. Testing for Sound and Vibration
Testing for Sound
697 Testing for Vibration
700 16. Field Survey for Energy Audit
Instruments
701 Data Recording
Building Systems
Process Loads
Guidelines for Developing Field Study Form
702 17. TAB Reports
General Items
System Diagram
Air Apparatus Test Report
703 Gas/Oil Fired Heat Apparatus Test Report
Electric Coil/Duct Heater Test Report
Fan Test Report
Duct Traverse Report
704 Air Terminal Device Report
System Coil Report
Packaged Chiller Test Report
Package Rooftop/Heat Pump A/C Unit Test Report
705 Compressor and/or Condenser Test Report
Cooling Tower or Condenser Test Report
Heat Exchanger/Converter Test Report
706 Pump Test Report
Boiler Test Report
Instrument Calibration Report
Component Failure Report
References
Bibliography
708 CHAPTER 40 – OPERATION AND MAINTENANCE MANAGEMENT
1. Operation and Maintenance as Part of Life-Cycle Costs
2. Operating a Facility for Optimal Performance
6. Managing Changes in Buildings
710 3. Maintenance Strategies for Optimal Performance
711 Choosing the Best Combination of Maintenance Strategies
712 Elements of Effective Operations and Maintenance Programs
Organization
O&M Goals and Targets
713 Reviewing Performance Data
Commissioning Before, During, and After Turnover
714 4. Documentation
O&M Documents
Documentation Methods
715 5. Staffing
716 Training
717 Self-Performance Versus Contract
718 References
Bibliography
720 CHAPTER 41 – COMPUTER APPLICATIONS
1. Introduction to Computing Technologies
1.1 Software Availability
721 1.2 Custom Programming
1.3 Programming Languages
2. Big Data
722 2.1 HVAC Applications
Sustainability
Economic Benefits
3. Cloud Computing
4. Mobile Computing
723 4.1 Mobile Applications in the HVAC Industry
724 5. CyberSecurity
5.1 Basic Cybersecurity Practices
7.1 Application and Purpose
7.3 Control Communication Protocols
7.4 BAS Security
725 Web Browser Security
E-mail Security
6. Software Applications
726 6.1 Example Software Applications
Design
Construction
Operations and Maintenance
727 6.2 BIM and Data Interoperability
7. Building Automation and Control
7.2 Network Architecture and Components
728 7.5 ASHRAE Resources for BAS System Design
729 References
Bibliography
730 Further Internet Resources
731 CHAPTER 42 – BUILDING ENERGY AND WATER MONITORING
1. Reasons for Energy or Water Monitoring
Energy or Water End Use Assessment
732 Specific Technology Assessment
Savings Measurement and Verification (M&V)
Building Operation and Diagnostics
733 2. Small Projects
734 How to Use This Chapter for Small Projects
3. Protocols for Performance Monitoring
Residential Retrofit Monitoring
Commercial Retrofit Monitoring
735 Commercial New Construction Monitoring
736 4. Common Monitoring Issues
Planning
Implementation and Data Management
737 Data Analysis and Reporting
5. Steps for Project Design and Implementation
Part One: Identify Project Objectives, Resources, and Constraints
738 Part Two: Specify Building and Occupant Characteristics
Part Three: Specify Data Products and Project Output
Part Four: Specify Design of Monitoring
740 Part Five: Specify Data Analysis Procedures and Algorithms
742 Part Six: Specify Field Data Monitoring Points
744 Part Seven: Resolve Project Data Accuracies
745 Part Eight: Specify Verification and Quality Assurance Procedures
746 Part Nine: Specify Recording and Data Exchange Formats
References
748 Bibliography
749 CHAPTER 43 – SUPERVISORY CONTROL STRATEGIES AND OPTIMIZATION
1. Terminology
751 2. Methods
2.1 Control Variables
Systems and Controls
752 2.2 Supervisory Control Strategies
Sampling Intervals for Reset Controls
2.3 Static Optimization
General Static Optimization Problem
753 2.4 Dynamic Optimization
754 Cooling Systems with Discrete Storage
755 Cooling Systems with Thermally Activated Building Systems
756 3. Control Strategies and Optimization
3.1 Control Strategies for Cooling Tower Fans
Near-Optimal Tower Fan Sequencing
757 Near-Optimal Tower Airflow
759 Overrides for Equipment Constraints
Implementation
760 3.2 Chilled-Water Reset with Fixed-Speed Pumping
Pump Sequencing
Optimal Chilled-Water Temperature
761 Overrides for Equipment and Comfort Constraints
Implementation
3.3 Chilled-Water Reset with Variable-Speed Pumping
Optimal Differential Pressure Set Points
762 Near-Optimal Chilled-Water Set Point
763 Pump Sequencing
764 Overrides for Equipment and Comfort Constraints
Implementation
3.4 Sequencing and Loading Multiple Chillers
Near-Optimal Condenser Water Flow Distribution
Optimal Chiller Load Distribution
767 Order for Bringing Chillers Online and Off-Line
768 Load Conditions for Bringing Chillers Online or Off-Line
769 3.5 Simplified Static Optimization of Cooling Plants
Simplified System-Based Optimization Approach
771 Static Optimization for Cooling Plants
775 3.6 Dynamic Optimization for Cooling Using Discrete Storage
Cooling Systems with Discrete Thermal Storage
777 Control Strategies for Cooling Systems with Discrete Thermal Storage
Charging Strategies
778 Discharging Strategies
779 3.7 Dynamic Optimization for Cooling Using Thermal Mass or Tabs
Precooling of Building Thermal Mass
782 Thermally Activated Building Systems (TABS)
783 Combined Thermal Energy Storage Systems
785 3.8 Forecasting Diurnal Cooling and Whole-Building Demand Profiles
Data-Driven Algorithms
786 A Forecasting Algorithm
787 3.9 Predictive HVAC Control Strategies
788 3.10 Control Strategies for Heating Systems
Excess Air in Combustion Process
789 Sequencing and Loading of Multiple Boilers
790 Load Conditions for Bringing Boilers Online or Off-Line
Optimal Boiler Load Distribution
Maintaining Boilers in Standby Mode
Supply Water and Supply Pressure Reset for Boilers
791 3.11 Control Strategies for Air-Handling Units
Air Handler Sequencing and Economizer Cooling
792 Supply Air Temperature Reset for Constant Air Volume (CAV)
Static Pressure Reset for Variable Air Volume (VAV)
3.12 Control Strategies for Building Zones
Recovery from Night Setback or Setup
793 Emergency Strategy to Limit Peak Cooling Requirements
794 References
796 Bibliography
797 CHAPTER 44 – HVAC COMMISSIONING
1. Considerations
Applicability
Background
Benefits
798 Key Contributors
Definitions
1.1 Commissioning Objective
1.2 Management and Responsibilities
Management Strategies
799 Team Members
Roles and Responsibilities
800 2. Commissioning Process
801 2.1 Predesign-Phase Commissioning
Objectives
Activities
Predesign-Phase Commissioning Plan
Acceptance of Predesign Commissioning
2.2 Design-Phase Commissioning
Objectives
802 Activities
804 2.3 Construction-Phase Commissioning
Objectives
Activities
807 2.4 Occupancy- and Operations-Phase Commissioning
Objectives
Activities
2.5 Life and Property Safety Check
808 Hazards Generated on Site
Effective Fire and Hazardous Gas Detection and Alarm Systems
Active Fire Protection Systems
National Security and Emergency Response Plan
3. Commissioning Costs
3.1 Design-Phase Costs (Including Predesign and Design)
3.2 Construction- and Occupancy/ Operations-Phase Costs
809 3.3 Existing Buildings
3.4 Certification
810 References
Bibliography
811 CHAPTER 45 – BUILDING ENVELOPES
1. Terminology
812 2. Governing Principles
Design Parameters
813 Other Important Performance Criteria
3. Design Principles
Heat Flow Control
814 Thermal Performance
Thermal Mass
Thermal Bridges
Air Leakage Control
815 Moisture Control
Liquid Water Control
816 Water Vapor Control
Common Envelope Problems
817 Control of Surface Condensation
Interzonal Environmental Loads
Interstitial Spaces
818 4. Quick Design Guide for High- Performance Building Envelopes
5. Roofs
Low-Slope Roof Assemblies
Steep-Roof Assemblies
Vegetated Roofing
819 6. Walls
Curtain Walls
Precast Concrete Panels
820 Steel-Stud Wall Assemblies
Wall Geometry with High Thermal Conductivity
7. Fenestration
Conduction/Convection and Radiation Effects
Air Infiltration Effects
Solar Gain
Interactions Between Thermal Loss and Solar Gain
Control of Rain Entry
821 8. Foundations
Heat Transfer
Moisture
9. Existing and Historic Buildings
822 Building Materials
Changing HVAC Equipment and/or Control Strategy
Envelope Modifications Without Mechanical System Upgrades
823 References
824 BIBLIOGRAPHY
825 CHAPTER 46 – BUILDING AIR INTAKE AND EXHAUST DESIGN
1. Exhaust Stack and Air Intake Design Strategies
Stack Design Strategies
Recommended Stack Exhaust Velocity
826 Other Stack Design Standards
Contamination Sources
827 General Guidance on Intake Placement
Code Requirements for Air Intakes
828 Treatment and Control Strategies
Intake Locations for Heat-Rejection Devices
Wind Recirculation Zones on Flat-Roofed Buildings
829 2. Geometric Method for Estimating Stack Height
831 3. Exhaust-To-Intake Dilution or Concentration Calculations
Worst-Case Critical Dilution or Maximum Concentration
Dilution and Concentration Definitions
Roof-Level Dilution Estimation Method
832 Cross-Wind and Vertical Plume Spreads for Dilution Calculations
Stack Design Using Dilution Calculations
833 Dilution from Flush Exhaust Vents with No Stack
Dilution at a Building Sidewall (Hidden) Intakes
EPA Models
834 Wind Tunnel Modeling
Computer Simulations Using Computational Fluid Dynamics (CFD)
4. Other Considerations
Annual Hours of Occurrence of Highest Intake Contamination
Combined Exhausts
835 Ganged Exhausts
Influence of Architectural Screens on Exhaust Dilution
Emissions Characterization
836 Symbols
References
837 Bibliography
838 CHAPTER 47 – AIR CLEANERS FOR GASEOUS CONTAMINANTS
1. Terminology
840 2. Gaseous Contaminants
Using Source Data to Predict Indoor Concentrations
844 3. Problem Assessment
845 Contaminant Load Estimates
4. Contaminant Reduction Strategies
Elimination or Reduction of Emissions
Local Source Management
Dilution Through General Ventilation
5. Contaminant Removal by Ventilation Air Cleaning
Gaseous Contaminant Removal Processes
848 6. Equipment
849 7. Air Cleaner System Design
850 Media Selection
851 Air Cleaner Location and Other HVAC Concerns
Sizing Gaseous Contaminant Removal Equipment
853 Special Cases
854 Energy Concerns
Economic Considerations
8. Safety
855 9. Installation, Start-Up, and Commissioning
Start-Up and Commissioning
10. Operation and Maintenance
When to Change Media
856 Replacement and Reactivation
11. Environmental Influences on Air Cleaners
12. Testing Media, Equipment, and Systems
Laboratory Tests of Media and Complete Air Cleaners
857 Field Tests of Installed Air Cleaners
858 References
860 Bibliography
861 CHAPTER 48 – DESIGN AND APPLICATION OF CONTROLS
1. System Types
2. Heating Systems
Hot-Water and Steam Boilers
862 Hot-Water Distribution Systems
Heating Coils
864 Radiant Heating and Cooling
3. Cooling Systems
Chillers
865 Chiller Plant Operation Optimization
866 Cooling Tower
867 Air-Cooled Chillers
Water-Side Economizers
Cooling Coil
868 4. Air Systems
Variable Air Volume (VAV)
872 Constant-Volume (CV) Systems
873 Terminal Units
875 Humidity Control
877 Single-Zone Systems
878 Multiple-Zone, Dual-Duct Systems
5. Special Applications
Mobile Unit Control
Explosive Atmospheres
879 6. Design Considerations and Principles
Extraordinary Incidents
Mechanical and Electrical Coordination
880 Sequences of Operation
Energy-Efficient Controls
7. Control Principles for Energy Conservation
881 System Selection
Load Matching
Size of Controlled Area
Location of Space Sensors
882 Commissioning
References
883 Bibliography
885 CHAPTER 49 – NOISE AND VIBRATION CONTROL
1. Data Reliability
2. Acoustical Design of HVAC Systems
886 2.1 Receiver Considerations
Indoor Sound Criteria
891 Outdoor Sound Criteria
892 2.2 Basic Acoustical Design Techniques
2.3 Source Sound Levels
Fans
894 Variable-Air-Volume (VAV) Systems
895 Rooftop-Mounted Air Handlers
896 Aerodynamically Generated Sound in Ducts
899 Water and Air-Cooled Chillers and Air-Cooled Condensers
902 Emergency Generators
2.4 Path Noise Estimation and Control
Duct Element Sound Attenuation
912 Sound Radiation Through Duct Walls
915 2.5 Receiver Room Sound Correction
916 Distributed Array of Ceiling Sound Sources
Nonstandard Rooms
917 Line Sound Sources
Room Noise Measurement
918 2.6 Sound Control for Outdoor Equipment
Sound Propagation Outdoors
Sound Barriers
919 2.7 Fume Hood Duct Design
920 2.8 Mechanical Equipment Room Sound Isolation
Location
Wall Design
921 Doors
Penetrations
922 Mechanical Chases
Special Construction Types
Floating Floors and Barrier Ceilings
Sound Transmission in Return Air Systems
923 Sound Transmission Through Ceilings
2.9 HVAC Noise-Reduction Design Procedures
925 Calculation Procedure
926 3. Vibration Isolation and Control
3.1 Vibration Measurement
928 3.2 Equipment Vibration
3.3 Vibration Criteria
929 3.4 Specification of Vibration Isolators
934 Selecting Vibration Isolators to Meet Isolator Deflection Requirements
3.5 Vibration- and Noise-Sensitive Facilities
3.6 Internal Versus External Isolation
935 3.7 Isolating Vibration and Noise in Piping Systems
Resilient Pipe Hangers and Supports
937 Isolating Duct Vibration
3.8 Seismic Protection
3.9 Vibration Investigations
4. Commissioning
5. Troubleshooting
5.1 Determining Problem Source
938 5.2 Determining Problem Type
Noise Problems
Vibration Problems
939 References
941 Bibliography
Resources
942 CHAPTER 50 – WATER TREATMENT: DEPOSITION, CORROSION, AND BIOLOGICAL CONTROL
1. Water Quality and Its Sources
1.1 Water Characteristics
943 1.2 Water Sources
Potable Water Sources
944 Alternative Water Sources
945 2. Water Treatment
2.1 Control
Deposition
Calcium Carbonate Formation (Hard Lime Scale)
Deposition, Scale, and Suspended-Solids Control
946 Scaling Indices
Scale and Deposit Formation Control
947 Suspended Solids and Deposition Control
948 2.2 Corrosion and Corrosion Control
950 Factors Affecting Corrosion
952 Corrosion Preventive and Protective Measures
953 Corrosion Measurement
2.3 Biological Growth Control
Biological Categories
954 Control Measures
956 2.4 Nonchemical and Physical Water Treatment Methods
957 ASHRAE Research Projects
2.5 BOILER Water Systems
958 Open Systems
External Boiler Water Pretreatment (Water Conditioning)
959 Boiler Internal Treatments
960 Steam and Condensate Network
Boiler Water Treatment Chemical Feed Methods
Condenser Water Systems
Start-Up and Recommissioning for Drained Systems
961 Start-Up and Recommissioning for Undrained (Stagnant) Systems
Shutdown
White Rust on Galvanized Steel Cooling Towers
Once-Through Cooling-Water Systems
962 Open Recirculating Cooling-Water Systems
Air Washers and Sprayed-Coil Units
Closed Systems
963 Water-Heating Systems
Glycol Systems
964 Thermal Storage Systems
Brine Systems
3. Terminology
965 References
BIBLIOGRAPHY
966 CHAPTER 51 – SERVICE WATER HEATING
1. System Elements
2. Water-Heating Terminology
967 3. System Planning
Energy Sources
4. Design Considerations
968 Design Path for Savings
5. End-Use Fixtures
6. Distribution
Piping Material
Pipe Sizing
969 Supply Piping
Pressure Differential
Effect of Distribution Design on Efficiency of Condensing Heaters
Piping Heat Loss and Hot-Water Delivery Delays
971 Hot-Water Recirculation Loops and Return Piping
972 Heat-Traced, Nonreturn Piping
Multiple Water Heaters
Commercial Dishwasher Piping and Pressure Considerations
973 Two-Temperature Service
Manifolding
974 7. Water-Heating Equipment
Gas-Fired Systems
Oil-Fired Systems
Electric
975 Indirect Water Heating
Semi-Instantaneous
Circulating Tank
976 Blending Injection
Solar
Wood Fired
Waste Heat Use
Refrigeration Heat Reclaim
Combination Heating
8. Building Applications
977 9. Hot-Water Load and Equipment Sizing
Load Diversity
Residential
978 Commercial and Institutional
981 Sizing Examples
991 Sizing Boilers for Combined Space and Water Heating
Typical Control Sequence for Indirect Water Heaters
992 Sizing Tankless Water Heaters
993 Sizing Instantaneous and Semi-Instantaneous Water Heaters
994 Sizing Refrigerant-Based Water Heaters
995 10. Water-Heating Energy Use
997 11. Health and Safety
Legionellosis (Legionnaires’ Disease)
Scalding
998 Temperature Requirement
Other Safety Concerns
12. Water Quality, Scale, and Corrosion
999 13. Special Concerns
Cross Flow at End-Use Fixtures
Hot Water from Tanks and Storage Systems
Placement of Water Heaters
1000 References
1001 Bibliography
1003 CHAPTER 52 – SNOW MELTING AND FREEZE PROTECTION
1. Snow-Melting Heat Flux Requirement
Heat Balance
1004 Heat Flux Equations
1009 Weather Data and Heat Flux Calculation Results
Example for Surface Heat Flux Calculation Using Table 1
1010 Sensitivity of Design Surface Heat Flux to Wind Speed and Surface Size
Back and Edge Heat Losses
1011 Transient Analysis of System Performance
Annual Operating Data
Annual Operating Cost Example
1012 2. Slab Design
3. Hydronic System Design
Heat Transfer Fluid
1013 Piping
1015 Fluid Heater
Thermal Stress
1016 4. Electric System Design
Heat Flux
Electrical Equipment
Mineral-Insulated Cable
1018 Self-Regulating Cable
Constant-Wattage Systems
1019 Installation
Infrared Snow-Melting Systems
1020 Snow Melting in Gutters and Downspouts
1021 5. Control
Automated Controls
Control Selection
Operating Cost
6. Freeze Protection Systems
1022 Steam Pipe-Tracing Systems
Electric Pipe-Tracing Systems
1023 Control
References
1024 Bibliography
1025 CHAPTER 53 – EVAPORATIVE COOLING
1. General Applications
Cooling
1026 Adiabatic Humidification
1027 Dehumidification and Cooling
1028 Air Cleaning
2. Indirect Evaporative Cooling Systems for Comfort Cooling
1029 Indirect Evaporative Cooling Controls
1030 Indirect/Direct Evaporative Cooling with VAV Delivery
1032 Beneficial Humidification
1033 Indirect Evaporative Cooling With Heat Recovery
3. Booster Refrigeration
1034 4. Residential or Commercial Cooling
1035 5. Exhaust Required
1036 6. Two-Stage Cooling
7. Industrial Applications
Area Cooling
1037 Spot Cooling
Cooling Large Motors
1038 Cooling Gas Turbine Engines and Generators
Process Cooling
1039 Cooling Laundries
Cooling Wood and Paper Products Facilities
8. Other Applications
Cooling Power-Generating Facilities
Cooling Mines
Cooling Animals
Produce Storage Cooling
1040 Cooling Greenhouses
1041 9. Control Strategy to Optimize Energy Recovery
10. Air Cleaning and Sound Attenuation
1042 Control of Gaseous Contaminants
11. Economic Factors
Direct Evaporation Energy Saving
Indirect Evaporation Energy Saving
Water Cost for Evaporative Cooling
1043 12. Psychrometrics
13. Entering Air Considerations
1044 References
1045 Bibliography
1046 CHAPTER 54 – FIRE AND SMOKE CONTROL
1. Balanced Approach to Fire Protection
1047 2. Fire Stopping at HVAC Penetrations
3. Fire and Smoke Dampers
Fire Dampers
Ceiling Radiation Dampers
1048 Smoke Dampers
Corridor Dampers
4. Smoke Exhaust Fans
5. Design Weather Data
6. Smoke Movement
Stack Effect
1049 Buoyancy
Expansion
1050 Wind
Forced Ventilation
Elevator Piston Effect
7. Methods Used to Control Smoke
Compartmentation
1051 Dilution Remote from Fire
Pressurization
Opposed Airflow
1052 Buoyancy
8. Smoke Feedback
9. Pressurization System Design
Door-Opening Forces
Flow and Pressure Difference
1053 Computer Analysis by Network Modeling
10. Shaft Pressurization
Building Complexity
Stack Effect
1054 11. Pressurized Stairwells
Stairwell Compartmentation
1055 Vestibules
System with Fire Floor Exhaust
Analysis of Pressurized Stairwells
Stairwell Fan Sizing
1056 Height Limit
1057 Stairwells with Open Doors
1058 12. Pressurized Elevators
1059 Basic System
Exterior Vent (EV) System
Floor Exhaust (FE) System
1060 Ground-Floor Lobby (GFL) System
1061 13. Zoned Smoke Control
Interaction with Pressurized Stairs
1062 14. Atrium Smoke Control
Design Fires
1063 Fire Development
Sprinklers
Shielded Fires
1064 Transient Fuels
Suggested Fire Sizes
Atrium Smoke Filling
Loss of Buoyancy in Atriums
Minimum Smoke Layer Depth
Makeup Air
1065 Stratification and Detection
Equation Method for Steady Smoke Exhaust
Fire in Atrium
1066 Fire in Communicating Space
1067 Smoke Layer Temperature
Volumetric Flow of Smoke Exhaust
Number of Exhaust Inlets
1068 Zone Fire Modeling
CFD Modeling
15. Tenability Systems
Tenability Evaluation
1069 16. Commissioning and Testing
Commissioning Process
Commissioning Testing
Special Inspector
Periodic Testing
17. Extraordinary Incidents
1070 18. Symbols
References
1072 CHAPTER 55 – RADIANT HEATING AND COOLING
1. Applications
2. Architecture of Radiant Ceilings
1073 3. Design and Dimensioning
Cooling
Heating
4. Design Aspects of Radiant Ceiling Systems
1074 5. Acoustic Feature of Radiant Ceiling Panels
Acoustic Inlay Mats
Acoustic Fleece
Panel Perforation
6. Controls
Two-Port Control Valves
Controlling Water Temperature/Injection Circuit
1075 Energy Savings with Radiant Cooling Ceiling Systems
7. Design Examples
Classroom
1077 Office
8. Condensation Control
1078 Primary Air Conditioning
Condensation Prevention
1079 Proactive Strategies
Reactive Strategies
Spaces with Operable Windows or Doors
1080 9. Embedded Systems
1082 10. Fundamentals
11. method to determine heating and cooling capacity
Heat Exchange Coefficient Between Surface and Space
1083 12. ThermoActive Building Systems (TABS)
1084 13. Embedded Systems Controls
1085 Central Control (Heating Only)
Individual Control
Room Thermostats/Sensors
Time Delay, Time Response
1086 Self-Regulating Effect
14. Radiant Cooling System CONTROL
Control of TABS
Control System Components
1087 Temperature Differences and Flow Rates
1088 Dew-Point
Room Control
Control Strategy for Office Buildings
1089 References
1090 CHAPTER 56 – SEISMIC- AND WIND-RESISTANT DESIGN
1. Seismic-Resistant Design
1091 1.1 Terminology
1.2 Calculations
Dynamic Analysis
Static Analysis as Defined in the International Building Code
1092 1.3 Applying Static Analysis
1095 1.4 Computation of Loads at Building Connection
Simple Case
General Case
Polar Method
Lump Mass Method
1096 Resilient Support Factors
Building Attachment
1.5 ANSI Steel Bolts
1.6 Lag Screws into Timber
1.7 Concrete Post-Installed Anchor Bolts
ASD Applications
LRFD Applications
1097 Types of Concrete Post-Installed Anchors
1.8 Weld Capacities
1.9 Seismic Snubbers
1098 1.10 Seismic Restraints
1099 1.11 Restraint of Pipe and Duct Risers
1100 1.12 Examples
1103 1.13 Installation Problems
1104 2. Wind-Resistant Design
2.1 Terminology
1105 2.2 Calculations
Analytical Procedure
1106 2.3 Wall-Mounted HVAC&R Component Calculations (Louvers)
Analytical Procedure
1109 2.4 Certification of HVAC&R Components for Wind
1110 References
1111 Bibliography
1112 CHAPTER 57 – ELECTRICAL CONSIDERATIONS
Fig. 1 Fundamental Voltage Wave
1113 Electrical Wiring (Conductors for General Wiring)
Transformers
Fig. 2 Ideal Transformer
1114 Fig. 3 Three-Phase Y-Y Transformer
Fig. 4 Three-Phase Y-D Transformer
Fig. 5 Three-Phase D-Y Transformer
Fig. 6 Three-Phase D-D Transformer
Fig. 7 Typical Autotransformer
1115 Emergency and Standby Power Systems
Fig. 8 Break-Before-Make Design for Standard ATS
1116 Fig. 9 Closed-Transition ATS
Fig. 10 Parallel-Transfer Switch
Motors
1117 Utilization Equipment Voltage Ratings
1118 Fig. 11 Utilization Voltages Versus Nameplate Ratings
Voltage Level Variation Effects
Voltage Selection
1119 Transients
Fig. 12 Example of Spike
Fig. 13 Example of Notch
Fig. 14 Example of Oscillatory Transient
1120 Short-Duration Variations
Fig. 15 Example of Sag
Fig. 16 Example of Swell (Surge)
Long-Duration Variations
Fig. 17 Example of Overvoltage
1121 Fig. 18 Example of Undervoltage
Fig. 19 Derating Factor Curve
Interruptions and Outages
Fig. 20 Example of Momentary Interruption
1122 Fig. 21 Example of Blackout or Power Failure Waveform
Harmonic Distortion
Fig. 22 Example of Harmonic Voltage Distortion
Fig. 23 Example of Harmonic Current Distortion for Six-Pulse Rectifier with 5% Impedance Reactor
Fig. 24 Example of Harmonic Current Distortion for One-Phase Input Current for Single Personal Computer
1123 Fig. 25 Example of VFD with ac Line Reactor
Fig. 26 Example of VFD with Low-Pass Harmonic Filter
Voltage Flicker
Fig. 27 Example of Flicker
Noise
Fig. 28 Example of Electrical Noise
1124 Cost-Based Rates
1125 Policy-Based Rates
1126 Market-Based Rates
NEC®
UL Listing
1127 CSA Approved
ULC
NAFTA Wiring Standards
IEEE
Bibliography
1128 CHAPTER 58 – ROOM AIR DISTRIBUTION
1. Application Guidelines
Design Considerations
1129 Indoor Air Quality and Sustainability
Return Air Inlets
2. Fully Mixed Air Distribution
1130 Principles of Operation
Space Ventilation and Contaminant Removal
Benefits and Limitations
Inlet Conditions to Air Outlets
Effects of Typical Field Installations on Common Ceiling Diffusers.
Space Temperature Gradients and Airflow Rates
1131 Methods for Evaluation
Design Procedures
1134 Typical Applications
1136 3. Fully Stratified Air Distribution
Principles of Operation
Space Ventilation and Contaminant Removal
1137 Outlet Characteristics
Benefits and Limitations
Considerations Unique to Underfloor Air Distribution Systems
Sizing
1138 Methods of Evaluation
Inlet Conditions
Design Procedures
1139 Typical Applications
Perimeter Control
Considerations Unique to Displacement Ventilation Systems
1140 4. Partially Mixed Air Distribution
Principles of Operation
Space Ventilation and Contaminant Removal
Outlet Characteristics
Typical Applications
1141 Benefits and Limitations
Methods of Evaluation
Inlet Conditions
Design Procedures
Perimeter Control
Space Temperature Gradients and Airflow Rates
1142 5. Air Dispersion Systems
Principles of Operation
Air Dispersion System Supply Air Outlet Styles
Air Dispersion System Shapes
1143 Material Selection
1144 Suspension Systems
Layout
1145 Design Procedure
1146 Operation
6. Air Terminal Units (ATUs)
Principles of Operation
1147 Benefits and Limitations
Selection Considerations
1149 Installation and Operational Considerations
1150 Maintenance and Accessibility.
Control of Fan-Powered ATUs
Fan Airflow Control of Fan-Powered Terminal Units
ECM versus PSC in Parallel and Series Fan-Powered ATUs
Control Strategy
1151 Energy Consumption
Inlet Static Pressure Requirements
Sizing Fan-Powered Terminals
1152 Heating Coils
Additional Fan Guidelines
Special Applications
System Selection
1153 7. Room Fan-Coil Units
Principles of Operation
1154 Benefits and Limitations
Selection Considerations
1155 Control of Fan Coil Units
1157 Building Type
8. Heating and Cooling Coil Selection
Sensible Cooling and Heating Coil Selection
1158 Total Cooling Coil Selection
9. Chilled Beams
Principles of Operation
Application Considerations
Benefits and Limitations
1159 Design Considerations
Heating
Thermal Comfort
Control and Zoning
1160 Selection and Location
Operational Considerations
1161 Building Type
10. Air Curtain Units
Principles of Operation
Application Considerations
Building Design Considerations
Types of Applications
1163 Optional Features and Controls
Performance and Safety Standards
Maintenance and Accessibility
1164 References
1165 Bibliography
1166 CHAPTER 59 – INDOOR AIRFLOW MODELING
1. PRELIMINARY Considerations
2. Computational Fluid Dynamics (CFD)
1167 2.1 Overview of CFD Simulation
1168 3. CFD Examples
3.1 Simple Office with Diffusers and Returns
Geometry Generation
1169 Solver and Models
Boundary Conditions
1170 Convergence
Post Processing and Results
Results
1171 3.2 Chilled Beam
Geometry of Open Office with Chilled Beams
Mesh Generation
Boundary Conditions
1172 Solver and Models
Convergence
Post Processing and Results
1173 3.3 Displacement Ventilation
Model Geometry
1174 Mesh Generation
Boundary Conditions
Solver and Models
1175 Convergence
Post Processing and Results
1176 3.4 Data Center Design
Geometry Generation
Mesh Generation
Solver and Models
Boundary Conditions/Object Modeling
1177 Convergence/Grid Independence
Model Calibration
Results
1178 3.5 Viral Containment in Hospital Ward
Geometry Generation
1179 Mesh Generation
Solver and Models
Boundary Conditions/Object Modeling
Convergence/Grid Independence
Model Validation
Results
1181 3.6 Natural Ventilation
Geometry and Mesh Generation
Boundary Conditions and Solver Techniques
Convergence Criteria
Results
1182 3.7 Industrial Warehouse
Geometry Generation
Mesh Generation
1183 Solvers and Models
1184 Boundary Conditions
Convergence/Grid Independence
Results
1185 4. Multizone Simulation Method
1186 4.1 Multizone Simulation of a Typical Office Building
Building Description
Multizone Representation of Building
Source for Contaminant Model
1187 Simulation Results
References
1189 CHAPTER 60 – INTEGRATED PROJECT DELIVERY AND BUILDING DESIGN
1. Why Choose IPD?
1190 1.1 COLLABORATION AND TEAMWORK
1.2 TEAMWORK
Team Formation
1191 Consensus in Decision Making
2. PROCESS
2.1 PHASE DESCRIPTIONS
2.2 Phase 1: Project Justification
Purpose
Prerequisites
1193 Team
Work
Sequence of Events
Team Roles
1194 Performance Requirements
Tools
Documentation
2.3 Phase 2: Project Initiation
Purpose
1195 Prerequisites
Team
Work
Sequence of Events
1196 Team Roles
Performance Requirements
Tools
Documentation
2.4 Phase 3: Concept Development
Purpose
Prerequisites
Team
Work
1197 Sequence of Events
1198 Team Roles
Performance Requirements
Tools
1199 Documentation
2.5 Phase 4: Design
Purpose
Prerequisites
Team
Work
1200 Sequence of Events
Team Roles
Performance Requirements
1201 Tools
Documentation
2.6 Phase 5: Construction Preparation
Purpose
Prerequisites
Team
Work
1202 Sequence of Events
Team Roles
Performance Requirements
Tools
Documentation
2.7 Phase 6: Construction
Purpose
Prerequisites
Team
1203 Work
Sequence of Events
Team Roles
Performance Requirements
1204 Tools
Documentation
2.8 Phase 7: Owner acceptance
Purpose
Prerequisites
Team
Work
Sequence of Events
Team Roles
1205 Performance Requirements
Tools
Documentation
2.9 Phase 8: Use, Operation, and Maintenance
Purpose
Prerequisites
Team
Work
Sequence of Events
Team Roles
1206 Performance Requirements
Tools
Documentation
3. TERMINOLOGY
1210 REFERENCES
BIBLIOGRAPHY
RESOURCES
1211 CHAPTER 61 – HVAC SECURITY
1. Owner’s Project Requirements
1212 2. Risk Evaluation
1213 3. HVAC System Security and Environmental Health and Safety Design
3.1 Modes of Operation
Evacuation
Shelter-in-Place
1214 Uninterrupted Operation
3.2 Security and EHS Design Measures
Emergency Power
Redundant Design
System Shutdown and/or Isolation
Protective Equipment
100% Outdoor Air Operation
HVAC Zoning
1215 Increased Standoff Distances
Occupant Notification Systems
Air Intake Protection
Increased Prefiltration Efficiency
Additional Filtration
Location of Mechanical Equipment
Physical Security Measures
Air Supply Quantities and Pressure Gradients
Sensors
1216 Mailroom and Lobby Measures
3.3 Commissioning and Recommissioning
3.4 Maintenance Management and Building Automation
4. Chemical Incidents
4.1 Types of Chemical Agents
1217 Incapacitating Agents
Irritants
Toxic Chemical Agents
1219 5. Biological Incidents
1220 6. Radiological Incidents
6.1 Radioactive Materials’ Effects and Sources
6.2 Radiological Dispersion
1221 6.3 Radiation Monitoring
6.4 Facility Response
7. Explosive Incidents
7.1 Loading Description
7.2 Design Considerations
1222 References
Bibliography
1223 Online Resources
1224 CHAPTER 62 – ULTRAVIOLET AIR AND SURFACE TREATMENT
1. Fundamentals
UV Dose and Microbial Response
1226 UV Inactivation of Biological Contaminants
2. Terminology
1228 3. UVGI Air Treatment Systems
Design Guidance
Upper-Air UVC Devices (Fixtures)
1230 In-Duct UVC Systems: Airstream Disinfection
1231 Studies of Airstream Disinfection Effectiveness
4. HVAC System Surface Treatment
Coil and Drain Pan Irradiation
1232 Alternative and Complementary Systems
5. Energy and Economic Considerations
1233 Upper-Air UVC Devices
In-Duct Air Disinfection
Upper-Air Versus In-Duct
Cooling Coil Surface Treatment
6. Room Surface Treatment
1234 7. Safety
Hazards of Ultraviolet Radiation to Humans
1235 Sources of UV Exposure
Exposure Limits
Evidence of Safety
Safety Design Guidance
1236 8. Installation, Start-Up, and Commissioning
Upper-Air UVC Devices
In-Duct UVC Systems
9. Maintenance
Material Degradation
Visual Inspection
Radiometer
Lamp Replacement
1237 Lamp and Ballast Disposal
Personnel Safety Training
Lamp Breakage
References
1240 Bibliography
1241 CHAPTER 63 – SMART BUILDING SYSTEMS
1. Automated Fault Detection and Diagnostics
1242 Applications of AFDD in Buildings
AFDD Methods
1243 Benefits of Detecting and Diagnosing Equipment Faults
1245 Criteria for Evaluating AFDD Methods
Types of AFDD Tools
1246 AFDD Software Deployed on Networked Workstations
Current State of AFDD in Buildings
Future for Automated Fault Detection and Diagnostics
1247 2. Sensing and Actuating Systems
Sensors
1248 Actuators
Sensor and Actuator Integration
1249 3. Smart Grid Basics
Brief History of Electric Power Grid
Electric Power Grid Operational Characteristics
1250 Typical Building Load Profile
Utility Demand Response Strategies
1251 Utility Rate Options and Strategies
Modern Smart-Grid Strategy
1252 Relevance to Building System Designers
References
1257 BIBLIOGRAPHY
1259 CHAPTER 64 – MOISTURE AND MOLD
Human Health
Energy Conservation
Sustainability
Costs
Avoiding Litigation Risk
1. Complex Causes
1260 2. Moisture Tolerance and Loads
1261 3. Risk Factors and Mitigation
3.1 HVAC Systems
Risk Factors
1262 Risk Mitigation
1263 3.2 Architectural Factors
Risk Factors
Risk Mitigation
3.3 Building Operational Decisions
Risk Factors
Risk Mitigation
3.4 Occupant Decisions
Risk Factors
1264 Risk Mitigation
4. Solutions
4.1 Architecture and Design
Roof Overhang
Waterproof Drainage Plane
1265 Sill Pans and Flashing
Wrap-Around Air Barrier
Mold-Resistant Gypsum Board
1266 Permeable Interior Wall Finish for Exterior Walls
4.2 HVAC Systems
Dedicated Outdoor Air Systems (DOAS)
Maximum 55°F Indoor Dew Point for Mechanically Cooled Buildings in Hot or Humid Climates
1267 Drying During Unoccupied Periods
1268 Design for Dehumidification Based on Loads at Peak Outdoor Dew Point
Mastic-Sealed Duct Connections
1269 Positive Building Pressure When Outdoor Dew Point Is Above 55°F
5. Health-Relevant Indoor Dampness
1270 6. Measuring Building Dampness
6.1 Water Activity
6.2 Moisture Content
Importance of Documenting Measurement Location
Moisture Meter Distinctions
1272 References
Bibliography
1274 CHAPTER 65 – OCCUPANT-CENTRIC SENSING AND CONTROLS
1. Collecting Real-Time Occupancy and Occupant Comfort Feedback
1.1 Indirect Occupant Feedback
1275 1.2 Direct Occupant Feedback
1.3 Hybrid Occupant Feedback
1276 1.4 State-of-the-Art Occupant Sensing
1277 Performance Metrics for Occupancy Sensing Technologies
2. Integrating Occupant Feedback into HVAC Control Schemes
Traditional Control Methods for HVAC Systems
1279 Occupant-Driven Rule-Based HVAC Controls
2.1 Model Predictive Control (MPC)
1280 Objective Functions
Constraints
Optimization Method
Building and HVAC Model
Occupant-Driven MPC-Based HVAC Controls
1281 Occupancy Prediction
Comfort-Driven MPC-Based HVAC Controls
3. Modeling and Evaluating Occupant-Centric HVAC Control Systems
3.1 Whole-Building Performance Simulation Programs
HVAC Control Modeling
1282 Occupant Behavior Modeling
Tools
1283 References
1287 Bibliography
1288 CHAPTER 66 – CODES AND STANDARDS
1317 INDEX
ASHRAE HVAC Applications Handbook IP 2019
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