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ASHRAE HVAC SystemsandEquipment Handbook IP 2012

$78.75

2012 ASHRAE Handbook HVAC Systems and Equipment – IP Edition

Published By Publication Date Number of Pages
ASHRAE 2012 928
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The 2012 ASHRAE Handbook–HVAC Systems and Equipment discusses various systems and the equipment (components or assemblies) they comprise, and describes features and differences. This information helps system designers and operators in selecting and using equipment.

PDF Catalog

PDF Pages PDF Title
1 12FrontCover IP
2012
ASHRAE HANDBOOK
I-P Edition
Supported by ASHRAE Research
2 12Inside4VolTOC IP
2012 HVAC SYSTEMS AND EQUIPMENT
2011 HVAC APPLICATIONS
3 2010 REFRIGERATION
2009 FUNDAMENTALS
4 I-P_12FrontMatter
5 Dedicated To The Advancement Of
The Profession And Its Allied Industries
DISCLAIMER
12 IP_S12_Ch01
Selecting a System
13 Additional Goals
System Constraints
Constructability Constraints
14 Narrowing the Choices
Selection Report
15 HVAC Systems and Equipment
Decentralized System Characteristics
16 Centralized System Characteristics
Air Distribution Systems
Primary Equipment
17 Refrigeration Equipment
Heating Equipment
Air Delivery Equipment
Space Requirements
Equipment Rooms
18 Fan Rooms
Horizontal Distribution
Vertical Shafts
Rooftop Equipment
Equipment Access
Air Distribution
19 Air Terminal Units
Duct Insulation
Ceiling and Floor Plenums
Pipe Distribution
Pipe Systems
Pipe Insulation
Security
20 Automatic Controls and Building Management System
Maintenance Management System
Building System Commissioning
21 References
22 IP_S12_Ch02
System Characteristics
Advantages
23 Disadvantages
Design Considerations
Air-Side Economizer
Water-Side Economizer
24 Advantages
Disadvantages
Window-Mounted and Through-the-Wall Room HVAC Units
Advantages
Disadvantages
Design Considerations
25 Water-Source Heat Pump Systems
Advantages
Disadvantages
26 Design Considerations
Multiple-Unit Systems
Advantages
Disadvantages
Design Considerations
27 Residential and Light Commercial Split Systems
28 Advantages
Disadvantages
Design Considerations
Commercial Self-Contained (Floor-by-Floor) Systems
Advantages
Disadvantages
Design Considerations
29 Commercial Outdoor Packaged Systems
30 Advantages
Disadvantages
Design Considerations
31 Automatic Controls and Building Management Systems
Maintenance Management
Building System Commissioning
32 IP_S12_Ch03
System Characteristics
Advantages
33 Disadvantages
Design Considerations
Cooling and Heating Loads
System Flow Design
34 Energy Recovery and Thermal Storage
Equipment
Primary Refrigeration Equipment
35 Ancillary Refrigeration Equipment
36 Primary Heating Equipment
37 Ancillary Heating Equipment
Distribution Systems
38 Acoustic, Vibration, Wind, and Seismic Considerations
Sound and Vibration
Seismic and Wind Issues
Space Considerations
39 Location of Central Plant and Equipment
Central Plant Security
Automatic Controls and Building Management Systems
40 Instrumentation
Maintenance Management Systems
Building System Commissioning
41 References
42 IP_S12_Ch04
Advantages
Disadvantages
43 Heating and Cooling Calculations
Zoning
Space Heating
Air Temperature Versus Air Quantity
44 Space Pressure
Other Considerations
First, Operating, and Maintenance Costs
Energy
Air-Handling Units
45 Primary Equipment
Air-Handling Equipment
Central Mechanical Equipment Rooms (MERs)
Decentralized MERs
Fans
Air-Handling Unit Psychrometric Processes
Cooling
46 Heating
Humidification
47 Dehumidification
Air Mixing or Blending
Air-Handling Unit Components
Return Air Fan
Relief Air Fan
Automatic Dampers
48 Relief Openings
Return Air Dampers
Outdoor Air Intakes
Economizers
Mixing Plenums
49 Static Air Mixers
Filter Section
Preheat Coil
Cooling Coil
Reheat Coil
Humidifiers
50 Dehumidifiers
Energy Recovery Devices
Sound Control Devices
Supply Air Fan
Miscellaneous Components
51 Air Distribution
Ductwork Design
Air-Handling Systems
Single-Duct Systems
Constant Volume
52 Variable Air Volume (VAV)
53 Dual-Duct Systems
Constant Volume
Variable Air Volume
54 Multizone Systems
Special Systems
Primary/Secondary
Dedicated Outdoor Air
55 Underfloor Air Distribution
56 Wetted Duct/Supersaturated
Compressed-Air and Water Spray
Low-Temperature
Smoke Management
Terminal Units
Constant-Volume Reheat
57 Variable Air Volume
58 Terminal Humidifiers
Terminal Filters
Air Distribution System Controls
59 Automatic Controls and Building Management Systems
Maintenance Management System
Building System Commissioning
References
Bibliography
60 IP_S12_Ch05
System Characteristics
Advantages
61 Disadvantages
Heating and Cooling Calculations
Space Heating
62 Central (Primary-Air) Ventilation Systems
Central Plant Sizing
Building Pressurization
First, Operating, and Maintenance Costs
Energy
63 Life-Cycle Costs
System Components and Configurations
Components
Configurations
64 Secondary-Water Distribution
Piping Arrangements
Four-Pipe Distribution
Two-Pipe Distribution
Three-Pipe Distribution
Condenser Water Systems with Heat Pump Terminal Units
65 Fan-Coil Unit and Unit Ventilator Systems
Types and Location
Ventilation Air Requirements
66 Selection
Wiring
Condensate
Capacity Control
Maintenance
Variable-Refrigerant-Flow (VRF) units
Chilled-Beam Systems
67 Types and Location
Ventilation Air Requirements
Selection
Wiring
Condensate
Capacity Control
Maintenance
Other Concerns
68 Radiant-Panel Heating Systems
Types and Location
Ventilation Air Requirements
Selection
Wiring
Capacity Control
Maintenance
Radiant-Floor Heating Systems
Types and Location
Ventilation Air Requirements
Selection
69 Wiring
Capacity Control
Maintenance
Induction Unit Systems
Supplemental Heating Units
Primary-Air Systems
70 Performance Under Varying Load
71 Changeover Temperature
Two-Pipe Systems with Central Ventilation
Critical Design Elements
72 Changeover Temperature Considerations
73 Nonchangeover Design
Zoning
Room Control
Evaluation
74 Electric Heat for Two-Pipe Systems
Four-Pipe Systems
Zoning
Room Control
Evaluation
Automatic Controls and Building Management Systems
75 Maintenance Management Systems and Building System Commissioning
References
Bibliography
76 IP_S12_Ch06
Principles of Thermal Radiation
General Evaluation
77 Heat Transfer by Panel Surfaces
Heat Transfer by Thermal Radiation
78 Heat Transfer by Natural Convection
80 Combined Heat Flux (Thermal Radiation and Natural Convection)
81 General Design Considerations
Panel Thermal Resistance
82 Effect of Floor Coverings
Panel Heat Losses or Gains
83 Panel Performance
Panel Design
84 Heating and Cooling Panel Systems
85 Special Cases
Hydronic Panel Systems
Design Considerations
88 Hydronic Metal Ceiling Panels
89 Distribution and Layout
90 Hydronic Wall Panels
Hydronic Floor Panels
91 Electrically Heated Panel Systems
Electric Ceiling Panels
93 Electric Wall Panels
Electric Floor Panels
Air-Heated or Air-Cooled Panels
94 Controls
Sensible Cooling Panel Controls
Heating Slab Controls
95 Hybrid (Load-Sharing) HVAC Systems
References
96 Bibliography
98 IP_S12_Ch07
99 Terminology
100 CHP System Concepts
Custom-Engineered Systems
Packaged and Modular Systems
101 Load Profiling and Prime Mover Selection
Peak Shaving
Continuous-Duty Standby
Power Plant Incremental Heat Rate
102 Performance Parameters
Heating Value
CHP Electric Effectiveness
Power and Heating Systems
105 Fuel Energy Savings
106 Fuel-to-Power Components
Reciprocating Engines
Types
Performance Characteristics
107 Fuels and Fuel Systems
109 Combustion Air
Lubricating Systems
110 Starting Systems
Cooling Systems
Exhaust Systems
111 Emissions
112 Instruments and Controls
Noise and Vibration
113 Installation Ventilation Requirements
114 Operation and Maintenance
Combustion Turbines
Types
115 Advantages
Disadvantages
Gas Turbine Cycle
Components
116 Performance Characteristics
Fuels and Fuel Systems
117 Combustion Air
118 Lubricating Systems
Starting Systems
Exhaust Systems
119 Emissions
Instruments and Controls
Noise and Vibration
Operation and Maintenance
Fuel Cells
Types
121 Thermal-To-Power Components
Steam Turbines
Types
122 Performance Characteristics
125 Fuel Systems
Lubricating Oil Systems
Power Systems
Exhaust Systems
Instruments and Controls
127 Operation and Maintenance
128 Organic Rankine Cycles
Expansion Engines/Turbines
Stirling Engines
Types
129 Performance Characteristics
Fuel Systems
Power Systems
Exhaust Systems
Coolant Systems
Operation and Maintenance
Thermal-to-Thermal Components
Thermal Output Characteristics
Reciprocating Engines
130 Combustion Turbines
Heat Recovery
Reciprocating Engines
134 Combustion Turbines
Steam Turbines
135 Thermally Activated Technologies
Heat-Activated Chillers
136 Desiccant Dehumidification
Hot Water and Steam Heat Recovery
Thermal Energy Storage Technologies
Electrical Generators and Components
Generators
138 System Design
CHP Electricity-Generating Systems
Thermal Loads
Prime Mover Selection
139 Air Systems
Hydronic Systems
140 Service Water Heating
District Heating and Cooling
Utility Interfacing
Power Quality
Output Energy Streams
141 CHP Shaft-Driven HVAC and Refrigeration Systems
Engine-Driven Systems
143 Combustion-Turbine-Driven Systems
Steam-Turbine-Driven Systems
144 Codes and Installation
General Installation Parameters
Utility Interconnection
145 Air Permits
Building, Zoning, and Fire Codes
Zoning
Building Code/Structural Design
Mechanical/Plumbing Code
Fire Code
Electrical Connection
Economic Feasibility
Economic Assessment
146 Preliminary Feasibility Bin Analysis Examples
First Estimates
147 Load Duration Curve Analysis
149 Two-Dimensional Load Duration Curve
Analysis by Simulations
150 References
151 Bibliography
152 IP_S12_Ch08
153 Advantages
Economic Benefits
Environmental Benefits
154 Disadvantages
Definition and Theory
System Types
Evaporative Systems
156 Chiller Systems
157 LNG Vaporization Systems
Hybrid Systems
Calculation of Power Capacity Enhancement and Economics
158 References
159 Bibliography
160 IP_S12_Ch09
Terminology
Applied Heat Pump Systems
161 Heat Pump Cycles
Heat Sources and Sinks
Air
163 Water
Ground
Solar Energy
Types of Heat Pumps
165 Heat Pump Components
Compressors
166 Heat Transfer Components
Refrigeration Components
167 Controls
Supplemental Heating
168 Industrial Process Heat Pumps
Closed-Cycle Systems
170 Open-Cycle and Semi-Open-Cycle Heat Pump Systems
171 Heat Recovery Design Principles
173 Applied Heat Recovery Systems
Waste Heat Recovery
174 Water-Loop Heat Pump Systems
Description
175 Design Considerations
177 Controls
Advantages of a WLHP System
Limitations of a WLHP System
Balanced Heat Recovery Systems
Definition
178 Heat Redistribution
Heat Balance Concept
Heat Balance Studies
179 General Applications
180 Multiple Buildings
References
Bibliography
183 IP_S12_Ch10
Components
Heating and Cooling Units
184 Ducts
Accessory Equipment
Controls
Common System Problems
185 System Design
Estimating Heating and Cooling Loads
Locating Outlets, Returns, Ducts, and Equipment
186 Selecting Heating and Cooling Equipment
Determining Airflow Requirements
Finalize Duct Design and Size
Selecting Supply and Return Grilles and Registers
Detailed Duct Design
Detailing the Duct Configuration
188 Detailing the Distribution Design
189 Duct Design Recommendations
Zone Control for Small Systems
190 Duct Sizing for Zone Damper Systems
Box Plenum Systems Using Flexible Duct
Embedded Loop Ducts
Small Commercial Systems
191 Air Distribution in Small Commercial Buildings
Controlling Airflow in New Buildings
Testing for Duct Efficiency
Data Inputs
192 Data Output
References
Bibliography
195 IP_S12_Ch11
Advantages
Fundamentals
196 Effects of Water , Air , and Gases
Heat Transfer
Basic Steam System Design
Steam Source
197 Boilers
Heat Recovery and Waste Heat Boilers
Heat Exchangers
Boiler Connections
Supply Piping
Return Piping
198 Design Steam Pressure
199 Piping
Supply Piping Design Considerations
200 Terminal Equipment Piping Design Considerations
Return Piping Design Considerations
Condensate Removal from Temperature-Regulated Equipment
201 Steam Traps
Thermostatic Traps
202 Mechanical Traps
203 Kinetic Traps
Pressure-Reducing Valves
Installation
205 Valve Size Selection
Terminal Equipment
Selection
Natural Convection Units
Forced-Convection Units
Convection Steam Heating
206 One-Pipe Steam Heating Systems
Two-Pipe Steam Heating Systems
Steam Distribution
207 Temperature Control
208 Heat Recovery
Flash Steam
209 Direct Heat Recovery
Combined Steam and Water Systems
210 Commissioning
References
Bibliography
211 IP_S12_Ch12
Applicability
Components
Environmental Benefits
212 Economic Considerations
Consumer Economics
Producer Economics
213 District Energy Economic Comparison
215 Central Plant
Heating and Cooling Production
Heating Medium
217 Heat Production
Chilled-Water Production
218 Thermal Storage
Auxiliaries
219 Distribution Design Considerations
Constant Flow
Variable Flow
220 Design Guidelines
Distribution System
Hydraulic Considerations
Objectives of Hydraulic Design
Water Hammer
221 Pressure Losses
Pipe Sizing
Network Calculations
Condensate Drainage and Return
222 Thermal Considerations
Thermal Design Conditions
Thermal Properties of Pipe Insulation and Soil
223 Methods of Heat Transfer Analysis
224 Calculation of Undisturbed Soil Temperatures
Convective Heat Transfer at Ground Surface
225 Uninsulated Buried Pipe
Insulated Buried Pipe
Buried Pipe in Conduit with Air Space
226 Buried Pipe with Composite Insulation
228 Two Pipes Buried in Common Conduit with Air Space
229 Two Buried Pipes or Conduits
230 Pipes in Buried Trenches or Tunnels
231 Pipes in Shallow Trenches
Buried Pipes with Other Geometries
Pipes in Air
232 Economical Thickness for Pipe Insulation
Expansion Provisions
233 Pipe Supports, Guides, and Anchors
Distribution System Construction
234 Piping Materials and Standards
Aboveground Systems
235 Underground Systems
237 Conduits
239 Cathodic Protection of Direct-Buried Conduits
240 Leak Detection
Valve Vaults and Entry Pits
242 Consumer Interconnections
Direct Connection
243 Indirect Connection
Components
Heat Exchangers
244 Flow Control Devices
245 Instrumentation
Controller
Pressure Control Devices
Heating Connections
Steam Connections
246 Hot-Water Connections
247 Building Conversion to District Heating
Chilled-Water Connections
248 Temperature Differential Control
Metering
249 Operation and Maintenance
References
250 Bibliography
251 IP_S12_Ch13
Principles
Temperature Classifications
252 Closed Water Systems
Method of Design
Thermal Components
Loads
253 Terminal Heating and Cooling Units
254 Source
Expansion Chamber
256 Hydraulic Components
Pump or Pumping System
258 Variable-Speed Pumping Application
260 Pump Connection
Distribution System
261 Expansion Chamber
Piping Circuits
263 Capacity Control of Load System
264 Sizing Control Valves
266 Alternatives to Control Valves
Low-Temperature Heating Systems
Nonresidential Heating Systems
267 Chilled-Water Systems
269 Dual-Temperature Systems
Two-Pipe Systems
270 Four-Pipe Common Load Systems
Four-Pipe Independent Load Systems
Other Design Considerations
Makeup and Fill Water Systems
Safety Relief Valves
271 Air Elimination
Drain and Shutoff
Balance Fittings
272 Pitch
Strainers
Thermometers
Flexible Connectors and Pipe Expansion Compensation
Gage Cocks
Insulation
Condensate Drains
Common Pipe
Other Design Procedures
Preliminary Equipment Layout
273 Final Pipe Sizing and Pressure Drop Determination
Freeze Prevention
Antifreeze Solutions
Effect on Heat Transfer and Flow
274 Effect on Heat Source or Chiller
Effect on Terminal Units
Effect on Pump Performance
Effect on Piping Pressure Loss
275 Installation and Maintenance
References
Bibliography
277 IP_S12_Ch14
Once-Through City Water Systems
Open Cooling Tower Systems
278 Air and Vapor Precautions
Pump Selection and Pressure Calculations
279 Water Treatment
Freeze Protection and Winter Operation
Low-Temperature (Water Economizer) Systems
280 Closed-Circuit Evaporative Coolers
Overpressure caused by Thermal Fluid Expansion
Bibliography
281 IP_S12_Ch15
System Characteristics
Basic System
282 Design Considerations
Direct-Fired High-Temperature Water Generators
283 Expansion and Pressurization
285 Direct-Contact Heaters (Cascades)
System Circulating Pumps
Distribution Piping Design
286 Heat Exchangers
Air-Heating Coils
Space-Heating Equipment
Instrumentation and Controls
287 Water Treatment
Heat Storage
Safety Considerations
288 References
Bibliography
289 IP_S12_Ch16
Energy Conservation
Infrared Energy Sources
Gas Infrared
290 Electric Infrared
291 Oil Infrared
System Efficiency
292 Reflectors
Controls
Precautions
293 Maintenance
Design Considerations for Beam Radiant Heaters
296 References
Bibliography
297 IP_S12_Ch17
Terminology
298 UVGI Fundamentals
Microbial Dose Response
Susceptibility of Microorganisms to UV Energy
299 Lamps and Ballasts
Types of UV-C Lamps
300 UV-C Lamp Ballasts
301 Germicidal Lamp Cooling and Heating Effects
UV-C Lamp Aging
UV-C Lamp Irradiance
UV Photodegradation of Materials
302 Maintenance
Lamp Replacement
Lamp Disposal
Visual Inspection
Safety
Hazards of Ultraviolet Radiation to Humans
303 Sources of UV Exposure
Exposure Limits
304 UV Radiation Measurements
Safety Design Guidance
Personnel Safety Training
Lamp Breakage
305 Unit Conversions
References
Bibliography
307 IP_S12_Ch18
309 Standards
310 Equipment
VRF System Operation
313 Design Considerations
314 VRF System Design Example
320 References
Bibliography
323 IP_S12_Ch19
Building Code Requirements
Classifications
Duct Cleaning
324 HVAC System Leakage
System Sealing
Sealants
325 Leakage Testing
327 Responsibilities
328 Air-Handling Unit Leakage
Residential Duct Construction
Commercial Duct Construction
Materials
Rectangular and Round Ducts
329 Flat Oval Ducts
Fibrous Glass Ducts
Flexible Ducts
Plenums and Apparatus Casings
330 Acoustical Treatment
Hangers
Industrial Duct Construction
Materials
Round Ducts
Rectangular Ducts
Construction Details
331 Hangers
Antimicrobial-Treated Ducts
Duct Construction for Grease- and Moisture-Laden Vapors
Factory-Built Grease Duct Systems
Site-Built Grease Duct Systems
Duct Systems for Moisture-Laden Air
Rigid Plastic Ducts
Air Dispersion Systems
332 Dispersion Types
Underground Ducts
Ducts Outside Buildings
Seismic Qualification
333 Sheet Metal Welding
Thermal Insulation
Specifications
References
334 Bibliography
335 IP_S12_Ch20
Supply Outlets
Fully Mixed Systems
336 Outlet Selection Procedure
Factors that Influence Selection
337 Fully Stratified Systems
Outlet Selection Procedure
Factors that Influence Selection
Partially Mixed Systems
338 Outlet Selection Procedures
Factors that Influence Selection
Types of Supply Air Outlets
Grilles
340 Nozzles
Diffusers
341 Return and Exhaust Air Inlets
Types of Inlets
V-Bar Grille
Lightproof Grille
Stamped Grilles
Eggcrate and Perforated-Face Grilles
Applications
342 Terminal Units
General
Single-Duct Terminal Units
Dual-Duct Terminal Units
Air-to-Air Induction Terminal Units
Fan-Powered Terminal Units
343 Bypass Terminal Units
Chilled Beams
Beam Types and Configurations
344 Fan-Coil Unit Systems
Two- and Four-Pipe Distribution Systems
Maintenance
Motors
345 Controls
Configurations
346 DX Fan-Coils
References
347 IP_S12_Ch21
Types of Fans
Principles of Operation
348 Testing and Rating
350 Fan Laws
352 Fan and System Pressure Relationships
353 Temperature Rise Across Fans
Duct System Characteristics
354 System Effects
Selection
355 Parallel Fan Operation
356 Noise
Vibration
357 Vibration Isolation
Arrangement and Installation
Fan Control
358 Symbols
References
Bibliography
359 IP_S12_Ch22
Environmental Conditions
Human Comfort
Prevention and Treatment of Disease
Electronic Equipment
360 Process Control and Materials Storage
Static Electricity
Sound Wave Transmission
Miscellaneous
Enclosure Characteristics
Vapor Retarders
361 Visible Condensation
Concealed Condensation
Energy Considerations
362 Load Calculations
Design Conditions
Ventilation Rate
Additional Moisture Losses
Internal Moisture Gains
363 Supply Water for Humidifiers
Scaling
Potential Bacterial Growth
Equipment
364 Residential Humidifiers for Central Air Systems
Residential Humidifiers for Nonducted Applications
Industrial and Commercial Humidifiers for Central Air Systems
367 Controls
Mechanical Controls
Electronic Controllers
369 Humidity Control in VAV Systems
Control Location
Management Systems
References
370 Bibliography
371 IP_S12_Ch23
Uses for Coils
Coil Construction and Arrangement
372 Water and Aqueous Glycol Coils
Direct-Expansion Coils
373 Control of Coils
Flow Arrangement
374 Applications
375 Coil Selection
376 Performance and Ratings
Airflow Resistance
Heat Transfer
377 Performance of Sensible Cooling Coils
379 Performance of Dehumidifying Coils
384 Determining Refrigeration Load
385 Maintenance
386 Symbols
References
Bibliography
387 IP_S12_Ch24
Methods of Dehumidification
Compression
388 Cooling
Liquid Desiccants
Solid Sorption
Desiccant Dehumidification
389 Liquid-Desiccant Equipment
Heat Removal
Regeneration
390 Solid-Sorption Equipment
Rotary Solid-Desiccant Dehumidifiers
Operation
392 Use of Cooling
Using Units in Series
393 Industrial Rotary Desiccant Dehumidifier Performance
Equipment Operating Recommendations
Process Air Filters
Reactivation/Regeneration Filters
Reactivation/Regeneration Ductwork
Leakage
Airflow Indication and Control
394 Commissioning
Owners’ and Operators’ Perspectives
Applications for Atmospheric-Pressure Dehumidification
Preservation of Materials in Storage
Process Dehumidification
395 Ventilation Air Dehumidification
Condensation Prevention
Dry Air-Conditioning Systems
396 Indoor Air Quality Contaminant Control
Testing
Desiccant Drying at Elevated Pressure
Equipment
Absorption
397 Adsorption
Applications
Material Preservation
Process Drying of Air and Other Gases
398 Equipment Testing
References
Bibliography
Additional Information
399 IP_S12_Ch25
Mechanical Dehumidifiers
Psychrometrics of Dehumidification
400 Residential Dehumidifiers
401 General-Purpose Dehumidifiers
402 DX Dedicated Outdoor Air System (DOAS) Units
403 Indoor Swimming Pool Dehumidifiers
405 Ice Rink Dehumidifiers
Industrial Dehumidifiers
406 Installation and Service Considerations
Wraparound Heat Exchangers
407 References
408 Bibliography
409 IP_S12_Ch26
Applications
410 Basic Thermodynamics
Thermodynamics of Heat Recovery Ventilators
Thermodynamics of Energy Recovery Ventilators
412 Ideal Air-to-Air Energy Exchange
Airflow Arrangements
Effectiveness
413 Rate of Energy Transfer
Additional Technical Considerations
Air Leakage
414 Air Capacity of Ventilator Fans
Pressure Drop
Maintenance
415 Filtration
Controls
Fouling
Corrosion
Condensation and Freeze-Up
416 Performance Ratings
Types and Applications of Air-to-Air Heat Exchangers
Fixed-Plate Heat Exchangers
417 Rotary Air-to-Air Energy Exchangers
419 Systems with Multiple Energy Recovery Exchangers
420 Coil Energy Recovery (Runaround) Loops
421 Heat Pipe Heat Exchangers
423 Liquid Desiccant Cooling Systems
424 Thermosiphon Heat Exchangers
426 Twin-Tower Enthalpy Recovery Loops
427 Indirect Evaporative Air Cooling
Precooling Air Reheaters (Series Application)
428 Comparison of Air-to-Air Energy Recovery Systems
Characterizing System Efficiency of Heat or Energy Recovery Ventilators
429 Selection of Heat or Energy Recovery Ventilators
Economic Considerations
431 Energy and/or Mass Recovery Calculation Procedure
435 Symbols
References
436 Bibliography
437 IP_S12_Ch27
Coil Construction and Design
Steam Coils
438 Water/Aqueous Glycol Heating Coils
439 Volatile Refrigerant Heat Reclaim Coils
Electric Heating Coils
Coil Selection
Coil Ratings
440 Overall Requirements
Installation Guidelines
441 Coil Maintenance
References
443 IP_S12_Ch28
Unit Ventilators
Application
Selection
445 Control
446 Unit Heaters
Application
Selection
448 Control
449 Piping Connections
450 Maintenance
Makeup Air Units
Description and Applications
Selection
451 Control
Applicable Codes and Standards
Commissioning
Maintenance
452 Bibliography
453 IP_S12_Ch29
Atmospheric Dust
Aerosol Characteristics
454 Air-Cleaning Applications
Mechanisms of Particle Collection
Evaluating Air Cleaners
455 Air Cleaner Test Methods
Arrestance Test
Dust-Holding Capacity Test
Particle Size Removal Efficiency Test
DOP Penetration Test
456 Leakage (Scan) Tests
Other Performance Tests
Guideline 26-2008
Environmental Tests
AHRI Standards
Types of Air Cleaners
457 Filter Types and Performance
Panel Filters
458 Electronic Air Cleaners
460 Selection and Maintenance
Residential Air Cleaners
462 VAV Systems
Antimicrobial Treatment of Filter Media
Air Cleaner Installation
Safety Considerations
463 References
Bibliography
465 IP_S12_Ch30
Equipment Selection
Regulations and Monitoring
Gas-Cleaning Regulations
466 Measuring Gas Streams and Contaminants
Gas Flow Distribution
Monitors and Controls
Particulate Contaminant Control
467 Collector Performance
468 Mechanical Collectors
Settling Chambers
Inertial Collectors
471 Electrostatic Precipitators
472 Single-Stage Designs
473 Two-Stage Designs
474 Fabric Filters
Principle of Operation
475 Pressure-Volume Relationships
Electrostatic Augmentation
Fabrics
476 Types of Self-Cleaning Mechanisms for Fabric Dust Collectors
478 Granular-Bed Filters
Principle of Operation
479 Particulate Scrubbers (Wet Collectors)
Principle of Operation
Spray Towers and Impingement Scrubbers
480 Centrifugal-Type Collectors
Orifice-Type Collectors
Venturi Scrubber
Electrostatically Augmented Scrubbers
481 Gaseous Contaminant Control
Spray Dry Scrubbing
Principle of Operation
Equipment
482 Wet-Packed Scrubbers
Scrubber Packings
Arrangements of Packed Scrubbers
484 Pressure Drop
Absorption Efficiency
487 General Efficiency Comparisons
Liquid Effects
Adsorption of Gaseous Contaminants
488 Equipment for Adsorption
Solvent Recovery
489 Odor Control
490 Applications of Fluidized Bed Adsorbers
Incineration of Gases and Vapors
Thermal Oxidizers
Catalytic Oxidizers
491 Applications of Oxidizers
Adsorption and Oxidation
Auxiliary Equipment
Ducts
492 Temperature Controls
Fans
Dust- and Slurry-Handling Equipment
Hoppers
Dust Conveyors
Dust Disposal
Slurry Treatment
493 Operation and Maintenance
Corrosion
Fires and Explosions
References
494 Bibliography
495 IP_S12_Ch31
General Considerations
Terminology
System Application
496 Safety
Efficiency and Emission Ratings
Steady-State and Cyclic Efficiency
Emissions
497 Gas-Burning Appliances
Gas-Fired Combustion Systems
Burners
Combustion System Flow
498 Ignition
Input Rate Control
499 Residential Appliances
Boilers
Forced-Air Furnaces
Water Heaters
Combination Space- and Water-Heating Appliances
Pool Heaters
500 Conversion Burners
Commercial-Industrial Appliances
Boilers
Space Heaters
Water Heaters
Pool Heaters
Applications
501 Location
Gas Supply and Piping
Air for Combustion and Ventilation
Draft Control
Venting
502 Building Depressurization
Gas Input Rate
503 Effect of Gas Temperature and Barometric Pressure Changes on Gas Input Rate
Fuel Gas Interchangeability
Altitude
504 Oil-Burning Appliances
505 Residential Oil Burners
506 Commercial/Industrial Oil Burners
Pressure-Atomizing Oil Burners
Return-Flow Pressure-Atomizing Oil Burners
507 Air-Atomizing Oil Burners
Horizontal Rotary Cup Oil Burners
Steam-Atomizing Oil Burners (Register Type)
Mechanical Atomizing Oil Burners (Register Type)
Return-Flow Mechanical Atomizing Oil Burners
508 Dual-Fuel Gas/Oil Burners
Equipment Selection
Fuel Oil Storage Systems
509 Fuel-Handling Systems
510 Fuel Oil Preparation System
Solid-Fuel-Burning Appliances
Capacity Classification of Stokers
511 Stoker Types by Fuel-Feed Methods
Spreader Stokers
512 Underfeed Stokers
Chain and Traveling Grate Stokers
Vibrating Grate Stokers
513 Controls
Safety Controls and Interlocks
Ignition and Flame Monitoring
514 Draft Proving
Limit Controls
Other Safety Controls
Prescriptive Requirements for Safety Controls
Reliability of Safety Controls
Operating Controls
515 Integrated and Programmed Controls
516 References
Bibliography
517 IP_S12_Ch32
Classifications
Working Pressure and Temperature
Fuel Used
Construction Materials
519 Type of Draft
Condensing or Noncondensing
520 Wall-Hung Boilers
Integrated (Combination) Boilers
Electric Boilers
521 Selection Parameters
Efficiency: Input and Output Ratings
522 Performance Codes and Standards
Sizing
523 Burner Types
BOILER CONTROLS
Operating Controls
Water Level Controls
524 Flame Safeguard Controls
References
Bibliography
525 IP_S12_Ch33
Components
Casing or Cabinet
Heat Exchangers
526 Combustion Venting Components
Circulating Blowers and Motors
Filters and Other Accessories
527 Airflow Variations
528 Combustion System Variations
Indoor/Outdoor Furnace Variations
Heat Source Types
Natural Gas and Propane Furnaces
Oil Furnaces
Electric Furnaces
529 Commercial Equipment
Ducted Equipment
Unducted Heaters
Controls and Operating Characteristics
External to Furnace
530 Internal to Furnace
Equipment Selection
Distribution System
Equipment Location
Forced-Air System Primary Use
531 Fuel Selection
Combustion Air and Venting
Equipment Sizing
Types of Furnaces
Consumer Considerations
532 Selecting Furnaces for Commercial Buildings
Calculations
533 Technical Data
Natural Gas Furnaces
534 Propane Furnaces
Oil Furnaces
Electric Furnaces
Commercial Furnaces
Installation
535 Agency Listings
References
536 Bibliography
537 IP_S12_Ch34
Gas In-Space Heaters
Room Heaters
Wall Furnaces
538 Floor Furnaces
United States Minimum Efficiency Requirements
Controls
Valves
Thermostats
539 Vent Connectors
Sizing Units
Oil and Kerosene In-Space Heaters
Vaporizing Oil Pot Heaters
Powered Atomizing Heaters
Portable Kerosene Heaters
Electric In-Space Heaters
Wall, Floor, Toe Space, and Ceiling Heaters
Baseboard Heaters
540 Radiant Heating Systems
Heating Panels and Heating Panel Sets
Embedded Cable and Storage Heating Systems
Cord-Connected Portable Heaters
Controls
Solid-Fuel In-Space Heaters
Fireplaces
Simple Fireplaces
Factory-Built Fireplaces
541 Freestanding Fireplaces
Stoves
Conventional Wood Stoves
Advanced-Design Wood Stoves
Fireplace Inserts
542 Pellet-Burning Stoves
General Installation Practices
Safety with Solid Fuels
Utility-Furnished Energy
Products of Combustion
543 Agency Testing
References
Bibliography
545 IP_S12_Ch35
Terminology
Draft Operating Principles
546 Chimney Functions
Start-Up
Air Intakes
547 Vent Size
Draft Control
Pollution Control
Equipment Location
Wind Effects
Safety Factors
Steady-State Chimney Design Equations
548 1. Mass Flow of Combustion Products in Chimneys and Vents
549 2. Mean Chimney Gas Temperature and Density
551 3. Theoretical Draft
552 4. System Pressure Loss Caused by Flow
5. Available Draft
6. Chimney Gas Velocity
553 7. System Resistance Coefficient
554 Configuration and Manifolding Effects
555 8. Input, Diameter, and Temperature Relationships
556 9. Volumetric Flow in Chimney or System
10. Graphical Solution of Chimney or Vent System
Steady-State Chimney Design Graphical Solutions
558 Vent and Chimney Capacity Calculation Examples
563 Gas Appliance Venting
564 Vent Connectors
Masonry Chimneys for Gas Appliances
Type B and Type L Factory-Built Venting Systems
565 Gas Appliances Without Draft Hoods
Conversion to Gas
Oil-Fired Appliance Venting
Condensation and Corrosion
566 Connector and Chimney Corrosion
Vent Connectors
Masonry Chimneys for Oil-Fired Appliances
Replacement of Appliances
567 Fireplace Chimneys
572 Air Supply to Fuel-Burning Appliances
Vent and Chimney Materials
574 Vent and Chimney Accessories
Draft Hoods
Draft Regulators
Vent Dampers
575 Heat Exchangers or Flue Gas Heat Extractors
Draft Fans
576 Terminations: Caps and Wind Effects
578 Codes and Standards
579 Conversion Factors
Symbols
References
580 Bibliography
581 IP_S12_Ch36
Description
Radiators
Pipe Coils
Convectors
Baseboard Units
Finned-Tube Units
582 Heat Emission
Ratings of Heat-Distributing Units
Radiators
Convectors
583 Baseboard Units
Finned-Tube Units
Other Heat-Distributing Units
Corrections for Nonstandard Conditions
Design
Effect of Water Velocity
585 Effect of Altitude
Effect of Mass
Performance at Low Water Temperatures
Effect of Enclosure and Paint
Applications
Radiators
Convectors
Baseboard Radiation
Finned-Tube Radiation
586 Radiant Panels
References
Bibliography
587 IP_S12_Ch37
Solar Heating Systems
588 Air-Heating Systems
Liquid-Heating Systems
Direct and Indirect Systems
Freeze Protection
589 Solar Thermal Energy Collectors
Collector Types
590 Collector Construction
592 Row Design
Piping Configuration
593 Velocity Limitations
Thermal Expansion
Array Design
Piping Configuration
594 Shading
Thermal Collector Performance
596 Testing Methods
Collector Test Results and Initial Screening Methods
Generic Test Results
597 Thermal Energy Storage
Air System Thermal Storage
Liquid System Thermal Storage
599 Storage Tank Construction
Storage Tank Insulation
600 Stratification and Short Circuiting
Storage Sizing
601 Heat Exchangers
Requirements
602 Internal Heat Exchanger
External Heat Exchanger
603 Heat Exchanger Performance
Controls
Differential Temperature Controllers
604 Photovoltaically Powered Pumps
Overtemperature Protection
Hot-Water Dump
605 Heat Exchanger Freeze Protection
Photovoltaic Systems
Fundamentals of Photovoltaics
606 Photovoltaic Cells and Modules
607 Related Equipment
References
608 Bibliography
609 IP_S12_Ch38
Positive-Displacement Compressors
610 Performance
Ideal Compressor
611 Actual Compressor
Compressor Efficiency, Subcooling, and Superheating
612 Abnormal Operating Conditions, Hazards, and Protective Devices
Liquid Hazard
Suction and Discharge Pulsations
613 Noise
Vibration
Shock
Testing and Operating Requirements
614 Motors
615 Reciprocating Compressors
616 Performance Data
Motor Performance
617 Features
619 Special Devices
Application
Rotary Compressors
Rolling-Piston Compressors
620 Performance
621 Features
Rotary-Vane Compressors
622 Single-Screw Compressors
Description
Compression Process
Mechanical Features
626 Noise and Vibration
Twin-Screw Compressors
627 Compression Process
Mechanical Features
628 Capacity Control
629 Volume (Compression) Ratio
Oil Injection
631 Economizers
Hermetic and Semihermetic Compressors
Performance Characteristics
Noise
632 Orbital Compressors
Scroll Compressors
Description
Mechanical Features
633 Capacity Control
634 Performance
Noise and Vibration
Operation and Maintenance
Trochoidal Compressors
635 Description and Performance
Centrifugal Compressors
636 Refrigeration Cycle
637 Angular Momentum
Isentropic Analysis
638 Polytropic Analysis
639 Nondimensional Coefficients
Mach Number
640 Performance
Testing
Surging
641 System Balance and Capacity Control
642 Application
Critical Speed
Vibration
Noise
643 Drivers
Paralleling
Other Specialized Applications
Mechanical Design
Impellers
Casings
644 Lubrication
Bearings
Accessories
Operation and Maintenance
645 Symbols
References
647 IP_S12_Ch39
Water-Cooled Condensers
Heat Removal
648 Heat Transfer
Overall Heat Transfer Coefficient
Water-Side Film Coefficient
Refrigerant-Side Film Coefficient
649 Tube-Wall Resistance
650 Surface Efficiency
Fouling Factor
Water Pressure Drop
651 Liquid Subcooling
Water Circuiting
Types
Shell-and-Tube Condensers
652 Shell-and-Coil Condensers
Tube-in-Tube Condensers
Brazed-Plate and Plate-and-Frame Condensers
Noncondensable Gases
653 Testing and Rating
Design Pressure
Operation and Maintenance
654 Air-Cooled Condensers
Types
Plate-and-Fin
655 Integral-Fin
Microchannel
Fans and Air Requirements
Heat Transfer and Pressure Drop
656 Condensers Remote from Compressor
Condensers as Part of Condensing Unit
Water-Cooled Versus Air-Cooled Condensing
657 Testing and Rating
Control
659 Installation and Maintenance
660 Evaporative Condensers
Heat Transfer
661 Condenser Configuration
Coils
Method of Coil Wetting
Airflow
Condenser Location
662 Multiple-Condenser Installations
Ratings
663 Desuperheating Coils
Refrigerant Liquid Subcoolers
Multicircuit Condensers and Coolers
664 Water Treatment
Water Consumption
Capacity Modulation
Purging
Maintenance
Testing and Rating
665 References
666 Bibliography
667 IP_S12_Ch40
Principle of Operation
668 Design Conditions
Types of Cooling Towers
670 Direct-Contact Cooling Towers
673 Indirect-Contact Cooling Towers
Hybrid Cooling Towers
675 Materials of Construction
676 Selection Considerations
Application
Siting
677 Piping
Capacity Control
678 Water-Side Economizer (Free Cooling)
679 Winter Operation
Sound
680 Drift
Fogging (Cooling Tower Plume)
Maintenance
681 Inspections
682 Water Treatment
White Rust
683 Performance Curves
684 Cooling Tower Thermal Performance
Cooling Tower Theory
686 Counterflow Integration
Cross-Flow Integration
687 Tower Coefficients
688 Available Coefficients
Establishing Tower Characteristics
689 Additional Information
References
Bibliography
691 IP_S12_Ch41
Direct Evaporative Air Coolers
692 Random-Media Air Coolers
Rigid-Media Air Coolers
Remote Pad Evaporative Cooling Equipment
693 Indirect Evaporative Air Coolers
Packaged Indirect Evaporative Air Coolers
695 Heat Recovery
Cooling Tower/Coil Systems
Other Indirect Evaporative Cooling Equipment
Indirect/Direct Combinations
696 Precooling and Makeup Air Pretreatment
Air Washers
Spray Air Washers
697 High-Velocity Spray-Type Air Washers
Humidification/Dehumidification
Humidification with Air Washers and Rigid Media
698 Dehumidification with Air Washers and Rigid Media
Air Cleaning
699 Sound Attenuation
Maintenance and Water Treatment
Legionnaires’ Disease
701 IP_S12_Ch42
Types of Liquid Coolers
Direct-Expansion
Flooded
702 Baudelot
703 Shell-and-Coil
Heat Transfer
Heat Transfer Coefficients
704 Fouling Factors
Wall Resistance
Pressure Drop
Fluid Side
Refrigerant Side
Vessel Design
Mechanical Requirements
705 Chemical Requirements
Electrical Requirements
Application Considerations
Refrigerant Flow Control
Freeze Prevention
706 Oil Return
Maintenance
Insulation
References
707 IP_S12_Ch43
General Characteristics
Principles of Operation
Common Liquid-Chilling Systems
Basic System
Multiple-Chiller Systems
708 Heat Recovery Systems
709 Selection
Control
Liquid Chiller Controls
710 Controls That Influence the Liquid Chiller
Safety Controls
711 Standards and Testing
General Maintenance
Continual Monitoring
Periodic Checks
Regularly Scheduled Maintenance
Extended Maintenance Checks
Reciprocating Liquid Chillers
Equipment
Components and Their Functions
712 Capacities and Types Available
Selection of Refrigerant
Performance Characteristics and Operating Problems
713 Method of Selection
Ratings
Power Consumption
Fouling
Control Considerations
Special Applications
Centrifugal Liquid Chillers
Equipment
Components and Their Function
714 Capacities and Types Available
Selection of Refrigerant
715 Performance and Operating Characteristics
716 Selection
Ratings
Fouling
717 Noise and Vibration
Control Considerations
Auxiliaries
718 Special Applications
Free Cooling
Air-Cooled System
Other Coolants
Vapor Condensing
Operation and Maintenance
719 Screw Liquid Chillers
Equipment
Components and Their Function
Capacities and Types Available
Selection of Refrigerant
Performance and Operating Characteristics
720 Selection
Ratings
Power Consumption
Fouling
Control Considerations
Auxiliaries
721 Special Applications
Maintenance
References
722 Bibliography
Online Resource
723 IP_S12_Ch44
Centrifugal Pumping
Construction Features
724 Pump Types
Circulator Pump
Close-Coupled, Single-Stage, End-Suction Pump
Frame-Mounted, End-Suction Pump on Base Plate
725 Base-Mounted, Horizontal (Axial) or Vertical, Split-Case, Single-Stage, Double-Suction Pump
Base-Mounted, Horizontal, Split-Case, Multistage Pump
Vertical In-Line Pump
Vertical Turbine, Single- or Multistage, Sump-Mounted Pump
726 Pump Performance Curves
727 Hydronic System Curves
728 Pump and Hydronic System Curves
729 Pump Power
Pump Efficiency
730 Affinity Laws
731 Radial Thrust
732 Net Positive Suction Characteristics
Selection of Pumps
733 Arrangement of Pumps
Parallel Pumping
734 Series Pumping
Standby Pump
735 Pumps with Two-Speed Motors
Primary-Secondary Pumping
Variable-Speed Pumping
Distributed Pumping
Differential Pressure Control with Predefined Control Curves
736 Motive Power
737 Energy Conservation in Pumping
Installation, Operation, and Commissioning
738 Troubleshooting
References
Bibliography
739 IP_S12_Ch45
Motors
Alternating-Current Power Supply
740 Codes and Standards
Motor Efficiency
741 General-Purpose Induction Motors
742 Application
Hermetic Motors
Application
743 Integral Thermal Protection
744 Motor Protection and Control
Separate Motor Protection
Protection of Control Apparatus and Branch Circuit Conductors
745 Three-Phase Motor-Starting and Control Methods
Direct-Current Motor-Starting and Control Methods
Single-Phase Motor-Starting Methods
746 Running AC Induction Motors Above Base Speed
747 VFD-Induced Bearing Currents
748 Bearing Current Identification Techniques
Strategies for Mitigating Bearing Currents
749 Air Volume Control
750 Variable-Speed Drives (VSD)
751 Power Transistor Characteristics
Motor and Conductor Impedance
752 Motor Ratings and NEMA Standards
753 Motor Noise and Drive Carrier Frequencies
Carrier Frequencies and Drive Ratings
Power Distribution System Effects
754 VSDs and Harmonics
755 References
Bibliography
757 IP_S12_Ch46
Pipe
Steel Pipe
Copper Tube
758 Ductile Iron and Cast Iron
Fittings
Joining Methods
Threading
Soldering and Brazing
Flared and Compression Joints
761 Flanges
Welding
Reinforced Outlet Fittings
Other Joints
Unions
762 Special Systems
Selection of Materials
763 Pipe Wall Thickness
Stress Calculations
Plastic Piping
764 Allowable Stress
Plastic Material Selection
Pipe-Supporting Elements
766 Pipe Expansion and Flexibility
Pipe Bends and Loops
767 L Bends
Z Bends
U Bends and Pipe Loops
768 Cold Springing of Pipe
Analyzing Existing Piping Configurations
Expansion Joints and Expansion Compensating Devices
769 Packed Expansion Joints
770 References
Bibliography
771 IP_S12_Ch47
Fundamentals
Body Ratings
Materials
772 Flow Coefficient and Pressure Drop
Cavitation
Water Hammer
Noise
Body Styles
773 Manual Valves
Selection
Globe Valves
Gate Valves
Plug Valves
Ball Valves
774 Butterfly Valves
Pinch Valves
Automatic Valves
Actuators
775 Pneumatic Actuators
Electric Actuators
Electrohydraulic Actuators
776 Solenoids
Thermostatic Radiator Valves
Control of Automatic Valves
Two-Way Valves (Single- and Double-Seated)
Three-Way Valves
Special-Purpose Valves
Ball Valves
777 Butterfly Valves
Control Valve Flow Characteristics
778 Control Valve Sizing
779 Applications
Balancing Valves
Manual Balancing Valves
780 Automatic Flow-Limiting Valves
Balancing Valve Selection
Multiple-Purpose Valves
Safety Devices
781 Self-Contained Temperature Control Valves
782 Pressure-Reducing Valves
Makeup Water Valves
Check Valves
783 Stop-Check Valves
Backflow Prevention Devices
Selection
Installation
Steam Traps
References
Bibliography
785 IP_S12_Ch48
Fundamentals
Types of Heat Exchangers
786 Shell-and-Tube Heat Exchangers
787 Plate Heat Exchangers
Double-Wall Heat Exchangers
788 Components
Shell-and-Tube Components
Plate Components
Application
789 Selection Criteria
Thermal/Mechanical Design
Cost
Serviceability
Space Requirements
790 Steam
Installation
791 IP_S12_Ch49
General Design Considerations
User Requirements
Application Requirements
792 Installation
Service
Sustainability
Types of Unitary Equipment
794 Combined Space-Conditioning/Water-Heating Systems
Typical Unitary Equipment
795 Equipment and System Standards
Energy Conservation and Efficiency
796 AHRI Certification Programs
Safety Standards and Installation Codes
Air Conditioners
Refrigerant Circuit Design
797 Air-Handling Systems
Electrical Design
798 Mechanical Design
Accessories
Heating
Air-Source Heat Pumps
Add-On Heat Pumps
799 Selection
Refrigerant Circuit and Components
800 System Control and Installation
Water-Source Heat Pumps
801 Systems
Performance Certification Programs
Equipment Design
803 Variable-Refrigerant-Flow Heat Pumps
Application
Categories
Refrigerant Circuit and Components
Heating and Defrost Operation
References
804 Bibliography
805 IP_S12_Ch50
Room Air Conditioners
Sizes and Classifications
Design
806 Compressors
Evaporator and Condenser Coils
Restrictor Application and Sizing
Fan Motor and Air Impeller Selection
Electronics
Performance Data
Efficiency
807 Sensible Heat Ratio
Energy Conservation and Efficiency
High-Efficiency Design
Special Features
808 Safety Codes and Standards
Product Standards
Installation and Service
809 Packaged Terminal Air Conditioners
Sizes and Classifications
810 General Design Considerations
Design of PTAC/PTHP Components
811 Heat Pump Operation
Performance and Safety Testing
References
812 Bibliography
813 IP_S12_Ch51
Terminology
814 Classification of Systems
Storage Media
815 Basic Thermal Storage Concepts
Benefits of Thermal Storage
816 Design Considerations
Sensible Thermal Storage Technology
Sensible Energy Storage
Temperature Range and Storage Size
Techniques for Thermal Separation in Sensible Storage Devices
817 Performance of Chilled-Water Storage Systems
Design of Stratification Diffusers
818 Storage Tank Insulation
Other Factors
Chilled-Water Storage Tanks
Low-Temperature Fluid Sensible Energy Storage
Storage in Aquifers
819 Chilled-Water Thermal Storage Sizing Examples
821 Latent Cool Storage Technology
822 Water as Phase-Change Thermal Storage Medium
Internal Melt Ice-On-Coil
823 Chiller and Ice Storage Selection
824 Operation With Disabled Chiller
Selecting Storage Equipment
External-Melt Ice-On-Coil
825 Encapsulated Ice
826 Ice Harvesters
827 Ice Slurry Systems
Unitary Thermal Storage Systems
Other Phase-Change Materials
828 Heat Storage Technology
Sizing Heat Storage Systems
Service Water Heating
Brick Storage (ETS) Heaters
830 Pressurized Water Storage Heaters
Underfloor Heat Storage
Building Mass Thermal Storage
832 Storage Charging and Discharging
Design Considerations
Factors Favoring Thermal Storage
833 Factors Discouraging Thermal Storage
Typical Applications
834 Sizing Cool Storage Systems
Sizing Strategies
Calculating Load Profiles
835 Sizing Equipment
836 Application of Thermal Storage Systems
Chilled-Water Storage Systems
838 Ice (and PCM) Storage Systems
839 Unitary Thermal Storage Systems
840 Operation and Control
Operating Modes
842 Control Strategies
Operating Strategies
Utility Demand Control
Instrumentation Requirements
Other Design Considerations
Hydronic System Design for Open Systems
Cold-Air Distribution
843 Storage of Heat in Cool Storage Units
844 System Interface
Insulation
Cost Considerations
Maintenance Considerations
845 Water Treatment
Commissioning
846 Statement of Design Intent
Commissioning Specification
Required Information
Performance Verification
847 Sample Commissioning Plan Outline for Chilled-Water Plants with Thermal Storage Systems
Good Practices
848 References
849 Bibliography
851 IP_S12_Ch52
Selected Codes and Standards Published by Various Societies and Associations
876 ORGANIZATIONS
878 S12AdditionsI-P
2009 Fundamentals
880 Fig. 7 R-Value Required to Prevent Condensation on Surface with Emittance e = 0.9
Fig. 7 Surface-Averaged Wall Pressure Coefficients for Tall Buildings
2010 Refrigeration
881 Table 3 Cellular Glass Insulation Thickness for Indoor Design Conditions
Table 2 Values
2011 HVAC Applications
Fig. 9 Typical Layout of UVGI Fixtures for Patient Isolation Room
882 Table 4 Typical Thermal Properties of Common Building and Insulating Materials: Design Valuesa
887 Table 4 Energy Cost Percentiles from 2003 Commercial Survey
888 I-P_S2012Index_bookIX
Abbreviations, F37
Absorbents
Absorption
Acoustics. See Sound
Activated carbon adsorption, A46.7
ADPI. See Air diffusion performance index (ADPI)
Adsorbents
Adsorption
Aeration, of farm crops, A25
Aerosols, S29.1
Affinity laws for centrifugal pumps, S44.8
AFUE. See Annual fuel utilization efficiency (AFUE)
AHU. See Air handlers
Air
Air barriers, F26.13
Airborne infectious diseases, F10.6
Air cleaners. (See also Filters, air; Industrial exhaust gas cleaning)
Air conditioners. (See also Central air conditioning)
889 Air conditioning. (See also Central air conditioning)
Air contaminants, F11. (See also Contaminants)
Aircraft, A12
Air curtains, display cases, R15.5
Air diffusers
Air diffusion
Air diffusion performance index (ADPI), A57.5; F20.12, 13
Air distribution
Air exchange rate
Air filters. See Filters, air
Airflow
890 Airflow retarders, F25.7, 8
Air flux, F25.2. (See also Airflow)
Air handlers
Air inlets
Air intakes
Air jets. See Air diffusion
Air leakage. (See also Infiltration)
Air outlets
Airports, air conditioning, A3.6
Air quality. [See also Indoor air quality (IAQ)]
Airtightness, F36.22
Air-to-air energy recovery, S26
Air-to-transmission ratio, S5.13
Air transport, R27
Air washers
Algae, control, A49.5
All-air systems
Ammonia
Anchor bolts, seismic restraint, A55.7
Anemometers
Animal environments
Annual fuel utilization efficiency (AFUE), S33.9; S34.2
Antifreeze
Antisweat heaters (ASH), R15.5
Apartment buildings
Aquifers, thermal storage, S51.6
Archimedes number, F20.6
Archives. See Museums, galleries, archives, and libraries
Arenas
Argon, recovery, R47.17
Asbestos, F10.4
ASH. See Antisweat heaters (ASH)
Atriums
Attics, unconditioned, F27.2
Auditoriums, A5.3
Automobiles
891 Autopsy rooms, A9.5, 6
Avogadro’s law, and fuel combustion, F28.10
Backflow-prevention devices, S47.13
BACnet®, A40.17; F7.18
Bacteria
Bakery products, R41
Balance point, heat pumps, S49.9
Balancing. (See also Testing, adjusting, and balancing)
BAS. See Building automation systems (BAS)
Baseboard units
Basements
Beer’s law, F4.16
Bernoulli equation, F21.1
Best efficiency point (BEP), S44.7
Beverages, R39
BIM. See Building information modeling (BIM)
Bioaerosols
Biocides, control, A49.5
Biodiesel, F28.6
Biological safety cabinets, A16.6
Biomanufacturing cleanrooms, A18.7
Bioterrorism. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Boilers, S32
Boiling
Brake horsepower, S44.8
Brayton cycle
Bread, R41
Breweries
Brines. See Coolants, secondary
Building automation systems (BAS), A40.17; F7.14
Building energy monitoring, A41. (See also Energy, monitoring)
Building envelopes
892 Building information modeling (BIM), A40.15
Building materials, properties, F26
Building thermal mass
Burners
Buses
Bus terminals
Butane, commercial, F28.5
CAD. See Computer-aided design (CAD)
Cafeterias, service water heating, A50.14, 21
Calcium chloride brines, F31.1
Candy
Capillary action, and moisture flow, F25.8
Capillary tubes
Carbon dioxide
Carbon emissions, F34.6
Carbon monoxide
Cargo containers, R25
Carnot refrigeration cycle, F2.6
Cattle, beef, and dairy, A24.7. (See also Animal environments)
CAV. See Constant air volume (CAV)
Cavitation, F3.13
CBRE. See Chemical, biological, radiological, and explosive (CBRE) incidents
Ceiling effect. See Coanda effect
Ceilings
Central air conditioning, A42. (See also Air conditioning)
Central plants
Central systems
Cetane number, engine fuels, F28.8
CFD. See Computational fluid dynamics (CFD)
Charging, refrigeration systems, R8.4
Chemical, biological, radiological, and explosive (CBRE) incidents, A59
893 Chemical plants
Chemisorption, A46.7
Chilled beams, S20.9
Chilled water (CW)
Chillers
Chilton-Colburn j-factor analogy, F6.7
Chimneys, S35
Chlorinated polyvinyl chloride (CPVC), A34.6
Chocolate, R42.1. (See also Candy)
Choking, F3.13
CHP systems. See Combined heat and power (CHP)
Cinemas, A5.3
Claude cycle, R47.8
Cleanrooms. See Clean spaces
Clean spaces, A18
Clear-sky solar radiation, calculation, F14.7
Climate design information, F14
Clothing
CLTD/CLF. See Cooling load temperature differential method with solar cooling load factors (CLTD/CLF)
Coal
Coanda effect, A33.6; F20.6; S20.2
Codes, S52. (See also Standards)
894 Coefficient of performance (COP)
Cogeneration. See Combined heat and power (CHP)
Coils
Colburn’s analogy, F4.17
Colebrook equation
Collectors, solar, A35.6, 11, 23, 25; S37.3
Colleges and universities, A7.11
Combined heat and power (CHP), S7
Combustion, F28
Combustion air systems
Combustion turbine inlet cooling (CTIC), S7.20; S8.1
Comfort. (See also Physiological principles, humans)
Commercial and public buildings, A3
895 Commissioning, A43
Compressors, S38
Computational fluid dynamics (CFD), F13.1
Computer-aided design (CAD), A18.5; A40.14
Computers, A40
Concert halls, A5.4
Concrete
Condensate
Condensation
896 Condensers, S39
Conductance, thermal, F4.3; F25.1
Conduction
Conductivity, thermal, F25.1; F26.4
Constant air volume (CAV)
Constant-volume, all-air systems
Construction. (See also Building envelopes)
Containers. (See also Cargo containers)
Contaminants
Continuity, fluid dynamics, F3.2
Control. (See also Controls, automatic; Supervisory control)
897 Controlled-atmosphere (CA) storage
Controlled-environment rooms (CERs), and plant growth, A24.16
Controls, automatic, F7. (See also Control)
Convection
Convectors
Convention centers, A5.5
Conversion factors, F38
Coolants, secondary
Coolers. (See also Refrigerators)
898 Cooling. (See also Air conditioning)
Cooling load
Cooling load temperature differential method with solar cooling load factors (CLTD/CLF), F18.49
Cooling towers, S40
Cool storage, S51.1
COP. See Coefficient of performance (COP)
Corn, drying, A25.1
Correctional facilities. See Justice facilities
Corrosion
Costs. (See also Economics)
Cotton, drying, A25.8
Courthouses, A9.4
Courtrooms, A9.5
CPVC. See Chlorinated polyvinyl chloride (CPVC)
Crawlspaces
Critical spaces
Crops. See Farm crops
Cruise terminals, A3.6
Cryogenics, R47
899 Curtain walls, F15.5
Cycloparaffins, R12.3
Dairy products, R33
Dampers
Dams, concrete cooling, R45.1
Darcy equation, F21.6
Darcy-Weisbach equation
Data-driven modeling
Data processing areas
Daylighting
DDC. See Direct digital control (DDC)
Defrosting
Degree-days, F14.11; F19.19
Dehumidification, A47.12; S24
Dehumidifiers
Dehydration
Density
Dental facilities, A8.15
Desiccants, F32.1; S24.1
900 Desuperheaters
Dew-point
Diamagnetism, and superconductivity, R47.5
Diesel fuel, F28.8
Diffusers, air, sound control, A48.12
Diffusion
Diffusivity
Dilution
Dining halls, in justice facilities, A9.4
DIR. See Dispersive infrared (DIR)
Direct digital control (DDC), F7.4, 10
Direct numerical simulation (DNS), turbulence modeling, F13.4; F24.10
Dirty bombs. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Discharge coefficients, in fluid flow, F3.9
Dispersive infrared (DIR), F7.9
Display cases, R15.1, 4
District energy (DE), S12.1
District heating and cooling (DHC), S12
d-limonene, F31.13
DNS. See Direct numerical simulation (DNS)
Doors
Dormitories
Draft
Drag, in fluid flow, F3.5
Driers, R7.6. (See also Dryers)
Drip station, steam systems, S12.11
Dryers. (See also Driers)
Drying
DTW. See Dual-temperature water (DTW) system
Dual-duct systems
Dual-temperature water (DTW) system, S13.1
DuBois equation, F9.3
Duct design
Ducts
901 Dust mites, F25.14
Dusts, S29.1
Dynamometers, A17.1
Earth, stabilization, R45.3, 4
Earthquakes, seismic-resistant design, A55.1
Economic analysis, A37
Economic coefficient of performance (ECOP), S7.49
Economics. (See also Costs)
Economizers
ECOP. See Economic coefficient of performance (ECOP)
ECS. See Environmental control system (ECS)
Eddy diffusivity, F6.7
Educational facilities, A7
EER. See Energy efficiency ratio (EER)
Effectiveness, heat transfer, F4.21
Effective radiant flux (ERF), A54.2
Efficiency
Eggs, R34
EIFS. See Exterior insulation finishing system (EIFS)
Electricity
Electric thermal storage (ETS), S51.16
Electrostatic precipitators, S29.6; S30.7
Elevators
Emissions, pollution, F28.7
Emissivity, F4.2
Emittance, thermal, F25.2
Enclosed vehicular facilities, A15
Energy
902 Energy efficiency ratio (EER), S50.1
Energy savings performance contracting (ESPC), A37.8
Energy transfer station, S12.32
Engines, S7
Engine test facilities, A17
Enhanced tubes. See Finned-tube heat transfer coils
Enthalpy
Entropy, F2.1
Environmental control
Environmental control system (ECS), A12
Environmental health, F10
Environmental tobacco smoke (ETS)
Equipment vibration, A48.43; F8.18
ERF. See Effective radiant flux (ERF)
ESPC. See Energy savings performance contracting (ESPC)
Ethylene glycol, in hydronic systems, S13.23
ETS. See Environmental tobacco smoke (ETS); Electric thermal storage (ETS)
Evaluation. See Testing
Evaporation, in tubes
Evaporative coolers. (See also Refrigerators)
Evaporative cooling, A52
Evaporators. (See also Coolers, liquid)
903 Exfiltration, F16.1
Exhaust
Exhibit buildings, temporary, A5.8
Exhibit cases, A23.5, 16
Exhibition centers, A5.5
Expansion joints and devices, S46.10
Expansion tanks, S12.8
Explosions. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Fairs, A5.8
Family courts, A9.3. (See also Juvenile facilities)
Fan-coil units, S5.6
Fans, S21
Farm crops
Faults, system, reasons for detecting, A39.6
f-Chart method, sizing heating and cooling systems, A35.20
Fenestration. (See also Windows)
Fick’s law, F6.1
Filters, air, S29. (See also Air cleaners)
Filters, water, A49.7
Finned-tube heat-distributing units, S36.1, 5
Finned-tube heat transfer coils, F4.24
Fins, F4.4
Fire/smoke management. See Smoke management
Firearm laboratories, A9.6
Fireplaces, S34.4
Fire safety
904 Fish, R19; R32
Fitness facilities. (See also Gymnasiums)
Fittings
Fixed-guideway vehicles, A11.7. (See also Mass-transit systems)
Fixture units, A50.1, 26
Flammability limits, gaseous fuels, F28.1
Flash tank, steam systems, S11.15
Floors
Flowers, cut
Flowmeters, A38.12; F36.18
Fluid dynamics computations, F13.1
Fluid flow, F3
Food. (See also specific foods)
Food service
Forced-air systems, residential, A1.1
Forensic labs, A9.5
Fouling factor
Foundations, moisture control, A44.11
Fountains, Legionella pneumophila control, A49.7
Fourier’s law, and heat transfer, F25.5
Four-pipe systems, S5.5
Framing
Freeze drying, A30.6
Freeze prevention. (See also Freeze protection systems)
Freeze protection systems, A51.17, 19
Freezers
905 Freezing
Friction, in fluid flow
Friction losses, F21.7
Fruit juice, R38
Fruits
Fuel cells, combined heat and power (CHP), S7.22
Fuels, F28
Fume hoods, laboratory exhaust, A16.3
Fungal pathogens, F10.7
Furnaces, S33
Galleries. See Museums, galleries, archives, and libraries
Garages
Gases
Gas-fired equipment, S34. (See also Natural gas)
Gas vents, S35.1
GCHP. See Ground-coupled heat pumps (GCHP)
Generators
Geothermal energy, A34
Geothermal heat pumps (GHP), A34.10
Glaser method, F25.13
Glazing
Global warming potential (GWP), R6.1
Glycols, desiccant solution, S24.2
Green design, and sustainability, F35.1
Greenhouses. (See also Plant environments)
906 Grids, for computational fluid dynamics, F13.4
Ground-coupled heat pumps (GCHP)
Ground-source heat pumps (GSHP), A34.1, 9
Groundwater heat pumps (GWHP), A34.25
GSHP. See Ground-source heat pumps (GSHP)
Guard stations, in justice facilities, A9.4
GWHP. See Groundwater heat pumps (GWHP)
GWP. See Global warming potential (GWP)
Gymnasiums, A5.5; A7.3
HACCP. See Hazard analysis and critical control point (HACCP)
Halocarbon
Hartford loop, S11.3
Hay, drying, A25.7
Hazard analysis and control, F10.3
Hazard analysis and critical control point (HACCP), R22.4
Hazen-Williams equation, F22.1
HB. See Heat balance (HB)
Health
Health care facilities, A8. (See also specific types)
Heat
Heat and moisture control, F27.1
Heat balance, S9.19
Heat capacity, F25.1
Heat control, F27
Heaters, S34
Heat exchangers, S48
Heat flow, F25. (See also Heat transfer)
Heat flux, F25.1
Heat gain. (See also Load calculations)
Heating
907 Heating load
Heating values of fuels, F28.3, 7, 9
Heat loss. (See also Load calculations)
Heat pipes, air-to-air energy recovery, S26.13
Heat pumps
Heat recovery. (See also Energy, recovery)
Heat storage. See Thermal storage
Heat stress
Heat transfer, F4; F26. (See also Heat flow)
908 Heat transmission
Heat traps, A50.2
Helium
High-efficiency particulate air (HEPA) filters, A28.3; S29.6; S30.3
High-rise buildings. See Tall Buildings
High-temperature short-time (HTST) pasteurization, R33.2
High-temperature water (HTW) system, S13.1
Homeland security. See Chemical, biological, radiological, and explosive (CBRE) incidents
Hoods
Hospitals, A8.2
Hot-box method, of thermal modeling, F25.7
Hotels and motels, A6
Hot-gas bypass, R1.34
Houses of worship, A5.3
HSI. See Heat stress, index (HSI)
HTST. See High-temperature short-time (HTST) pasteurization
Humidification, S22
Humidifiers, S22
Humidity
HVAC security, A59
Hydrogen, liquid, R47.2
Hydronic systems, S35. (See also Water systems)
Hygrometers, F7.9; F36.10, 11
Hygrothermal loads, F25.2
Hygrothermal modeling, F25.13; F27.11
IAQ. See Indoor air quality (IAQ)
IBD. See Integrated building design (IBD)
Ice
Ice makers
Ice rinks, A5.5; R44
909 ID50‚ mean infectious dose, A59.8
Ignition temperatures of fuels, F28.2
IGUs. See Insulating glazing units (IGUs)
Indoor air quality (IAQ). (See also Air quality)
Indoor environmental modeling, F13
Induction
Industrial applications
Industrial environments, A14; A31; A32
Industrial exhaust gas cleaning, S29. (See also Air cleaners)
Industrial hygiene, F10.3
Infiltration. (See also Air leakage)
Infrared applications
In-room terminal systems
Instruments, F14. (See also specific instruments or applications)
Insulating glazing units (IGUs), F15.1
Insulation, electrical, R6.9
Insulation, thermal
910 Integrated building design (IBD), A58.1
Integrated design process (IDP), A58.1
Intercoolers, ammonia refrigeration systems, R2.3
Jacketing, insulation, R10.7
Jails, A9.3
Joule-Thomson cycle, R47.6
Judges’ chambers, A9.5
Juice, R38.1
Jury facilities, A9.5
Justice facilities, A9
Juvenile facilities, A9.1. (See also Family courts)
K-12 schools, A7.2
Kelvin’s equation, F25.9
Kirchoff’s law, F4.12
Kitchens, A33
Kleemenko cycle, R47.13
Krypton, recovery, R47.18
Kyoto protocol, F35.4
Laboratories, A16
Laboratory information management systems (LIMS), A9.7
Lakes, heat transfer, A34.30
Laminar flow
Large eddy simulation (LES), turbulence modeling, F13.3; F24.10
911 Laser Doppler anemometers (LDA), F36.17
Laser Doppler velocimeters (LDV), F36.17
Latent energy change materials, S51.2
Laundries
LCR. See Load collector ratio (LCR)
LD50‚ mean lethal dose, A59.8
LDA. See Laser Doppler anemometers (LDA)
LDV. See Laser Doppler velocimeters (LDV)
LE. See Life expectancy (LE) rating
Leakage
Leakage function, relationship, F16.14
Leak detection of refrigerants, F29.8
Legionella pneumophila, A49.6; F10.6
Legionnaires’ disease. See Legionella pneumophila
LES. See Large eddy simulation (LES)
Lewis relation, F6.9; F9.4
Libraries. See Museums, galleries, archives, and libraries
Life expectancy (LE) rating, film, A22.3
Lighting
Light measurement, F36.29
LIMS. See Laboratory information management systems (LIMS)
Linde cycle, R47.6
Liquefied natural gas (LNG), S8.6
Liquefied petroleum gas (LPG), F28.5
Liquid overfeed (recirculation) systems, R4
Lithium bromide/water, F30.1, 69
Lithium chloride, S24.2
Load calculations
Load collector ratio (LCR), A35.21
Local exhaust. See Exhaust
Loss coefficients
Louvers, F15.29
Low-temperature water (LTW) system, S13.1
LPG. See Liquefied petroleum gas (LPG)
LTW. See Low-temperature water (LTW) system
Lubricants, R12. (See also Lubrication; Oil)
Lubrication
Mach number, S38.31
Maintenance. (See also Operation and maintenance)
912 Makeup air units, S28.8
Malls, A2.6
Manometers, differential pressure readout, A38.12
Manufactured homes, A1.7
Masonry, insulation, F26.7. (See also Building envelopes)
Mass transfer, F6
Mass-transit systems
McLeod gages, F36.13
Mean infectious dose (ID50), A59.8
Mean lethal dose (LD50), A59.8
Mean radiant temperature (MRT), A54.1
Mean temperature difference, F4.21
Measurement, F36. (See also Instruments)
Meat, R30
Mechanical equipment room, central
Mechanical traps, steam systems, S11.8
Medium-temperature water (MTW) system, S13.1
Meshes, for computational fluid dynamics, F13.4
Metabolic rate, F9.6
Metals and alloys, low-temperature, R48.6
Microbial growth, R22.4
Microbiology of foods, R22.1
Mines, A29
Modeling. (See also Data-driven modeling; Energy, modeling)
Moist air
Moisture
Mold, F25.14
Montreal Protocol, F29.1
913 Motors, S45
Movie theaters, A5.3
MRT. See Mean radiant temperature (MRT)
Multifamily residences, A1.6
Multiple-use complexes
Multisplit unitary equipment, S49.1
Multizone airflow modeling, F13.14
Museums, galleries, archives, and libraries
Natatoriums. (See also Swimming pools)
Natural gas, F28.5
Navier-Stokes equations, F13.1
NC curves. See Noise criterion (NC) curves
Net positive suction head (NPSH), A34.27; R2.3; S44.10
Night setback,recovery, A42.36
Nitrogen
Noise, F8.13. (See also Sound)
Noise criterion (NC) curves, F8.16
Noncondensable gases
NPSH. See Net positive suction head (NPSH)
NTU. See Number of transfer units (NTU)
Nuclear facilities, A28
Number of transfer units (NTU)
Nursing facilities, A8.14
Nuts, storage, R42.7
Odors, F12
ODP. See Ozone depletion potential (ODP)
Office buildings
Oil, fuel, F28.6
Oil. (See also Lubricants)
Olf unit, F12.6
One-pipe systems
Operating costs, A37.4
Operation and maintenance, A39. (See also Maintenance)
Optimization, A42.4
Outdoor air, free cooling
Outlets, air diffusion, performance, F20.10
Outpatient health care facilities, A8.14
Owning costs, A37.1
Oxygen
914 Ozone
Ozone depletion potential (ODP), R6.1
PAC. See Polycyclic aromatic compounds (PAC)
Packaged terminal air conditioners (PTACs), S50.5
Packaged terminal heat pumps (PTHPs), S50.5
PAH. See Polycyclic aromatic hydrocarbons (PAH)
Paint, and moisture problems, F25.14
Panel heating and cooling, S6. (See also Radiant heating and cooling)
Paper
Paper products facilities, A26
Paraffins, R12.3
Parallel compressor systems, R15.14
Particulate matter, indoor air quality (IAQ), F10.4, 5
Pasteurization, R33.2
Peanuts, drying, A25.8
PEL. See Permissible exposure limits (PEL)
Performance contracting, A41.2
Permafrost stabilization, R45.4
Permeability
Permeance
Permissible exposure limits (PEL), F10.5
Pharmaceutical manufacturing cleanrooms, A18.7
Phase-change materials, thermal storage of, S51.15, 26
Photographic materials, A22
Photovoltaic (PV) systems, S36.18. (See also Solar energy)
Physical properties of materials, F33
Physiological principles, humans. (See also Comfort)
Pigs. See Swine
Pipes, S46. (See also Piping)
Piping. (See also Pipes)
915 Pitot tube, A38.2; F36.17
Places of assembly, A5
Planes. See Aircraft
Plank’s equation, R20.7
Plant environments, A24.10
Plenums
PMV. See Predicted mean vote (PMV)
Police stations, A9.1
Pollutant transport modeling. See Contami- nants, indoor, concentration prediction
Pollution, air, and combustion, F28.7, 14
Polycyclic aromatic hydrocarbons (PAH), F10.5
Polydimethylsiloxane, F31.13
Ponds, spray, S40.6
Pope cell, F36.12
Positive positioners, F7.8
Potatoes
Poultry. (See also Animal environments; Chickens; Turkeys)
Power-law airflow model, F13.14
Power plants, A27
PPD. See Predicted percent dissatisfied (PPD)
Prandtl number, F4.17
Precooling
Predicted mean vote (PMV), F36.30
Predicted percent dissatisfied (PPD), F9.17
Preschools, A7.1
Pressure
Pressure drop. (See also Darcy-Weisbach equation)
Primary-air systems, S5.10
Printing plants, A20
916 Prisons, A9.3
Produce
Propane
Propylene glycol, hydronic systems, S13.23
Psychrometers, F1.13
Psychrometrics, F1
PTACs. See Packaged terminal air conditioners (PTACs)
PTHPs. See Packaged terminal heat pumps (PTHPs)
Public buildings. See Commercial and public buildings; Places of assembly
Pulldown load, R15.5
Pumps
Purge units, centrifugal chillers, S43.11
Radiant heating and cooling, A55; S6.1; S15; S33.4. (See also Panel heating and cooling)
Radiant time series (RTS) method, F18.2, 20
Radiation
Radiators, S36.1, 5
Radioactive gases, contaminants, F11.19
Radiometers, A54.7
Radon, F10.10, 12, 17
Rail cars
Railroad tunnels, ventilation
Rain, and building envelopes, F25.3
RANS. See Reynolds-Averaged Navier-Stokes (RANS) equation
Rapid-transit systems. See Mass-transit systems
Rayleigh number, F4.18
RC curves. See Room criterion (RC) curves
Receivers
917 Recycling refrigerants, R9.3
Refrigerant/absorbent pairs, F2.15
Refrigerant-control devices, R11
Refrigerants, F29.1
Refrigerant transfer units (RTU), liquid chillers, S43.11
Refrigerated facilities, R23
Refrigeration, F1.1. (See also Absorption)
918 Refrigeration oils, R12. (See also Lubricants)
Refrigerators
Regulators. (See also Valves)
Residential systems, A1
Resistance, thermal, F4; F25; F26. (See also R-values)
Resistance temperature devices (RTDs), F7.9; F36.6
Resistivity, thermal, F25.1
Resource utilization factor (RUF), F34.2
Respiration of fruits and vegetables, R19.17
Restaurants
Retail facilities, A2
Retrofit performance monitoring, A41.4
Retrofitting refrigerant systems, contaminant control, R7.9
Reynolds-averaged Navier-Stokes (RANS) equation, F13.3; F24.10
Reynolds number, F3.3
Rice, drying, A25.9
RMS. See Root mean square (RMS)
Road tunnels, A15.3
Roof ponds, Legionella pneumophila control, A49.7
Roofs
Room air distribution, A57; S20.1
Room criterion (RC) curves, F8.17
Root mean square (RMS), F36.1
Roughness factors, ducts, F21.6
RTDs. See Resistance temperature devices (RTDs)
RTS. See Radiant time series (RTS)
RTU. See Refrigerant transfer units (RTU)
RUF. See Resource utilization factor (RUF)
Rusting, of building components, F25.15
R-values, F23; F25; F26. (See also Resistance, thermal)
Safety
919 Safety showers, Legionella pneumophila control, A49.7
Sanitation
Savings-to-investment-ratio (SIR), A37.11
Scale
Schematic design, A58.9
Schneider system, R23.7
Schools
Security. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Seeds, storage, A25.11
Seismic restraint, A48.51; A55.1
Sensors
Separators, lubricant, R11.23
Service water heating, A50
SES. See Subway environment simulation (SES) program
Shading
Ships, A13
Short-tube restrictors, R11.31
Single-duct systems, all-air, S4.10
SIR. See Savings-to-investment ratio (SIR)
Skating rinks, R44.1
Skylights, and solar heat gain, F15.19
Slab heating, A51
Slab-on-grade foundations, A44.11
SLR. See Solar-load ratio (SLR)
Smoke management, A53
Snow-melting systems, A51
920 Snubbers, seismic, A55.8
Sodium chloride brines, F31.1
Soft drinks, R39.10
Soils. (See also Earth)
Solar energy, A35; S37.1
Solar heat gain
Solar-load ratio (SLR), A35.21
Solar-optical glazing, F15.13
Solar radiation
Solid fuel
Solvent drying, constant-moisture, A30.7
Soot, F28.17
Sorbents, F32.1
Sorption isotherm, F25.8
Sound, F8. (See also Noise)
Sound control, A48; F8. (See also Noise)
921 Soybeans, drying, A25.7
Specific heat
Spot cooling
Spot heating, A54.4
Stack effect
Stadiums, A5.4
Stairwells, smoke control, A53.9
Standard atmosphere, U.S., F1.1
Standards, S52. (See also Codes)
Static electricity and humidity, S22.2
Steam
Steam systems, S11
Steam traps, S11.7
Stefan-Boltzmann equation, F4.2, 11
Stevens’ law, F12.3
Stirling cycle, R47.14
Stokers, S31.16
Storage
Stoves, heating, S34.5
Stratification
Stroboscopes, F36.25
Subcoolers
Subway environment simulation (SES) program, A15.3
Subway systems. (See also Mass-transit systems)
Suction risers, R2.26
Sulfur content, fuel oils, F28.7
Superconductivity, diamagnetism, R47.5
Supervisory control, A42
922 Supply air outlets, S20.1. (See also Air outlets)
Surface effect. See Coanda effect
Surface transportation
Surface water heat pump (SWHP), A34.12
Sustainability, F16.1; F35.1; S49.2
SVFs. See Synthetic vitreous fibers (SVFs)
SWHP. See Surface water heat pump (SWHP)
Swimming pools. (See also Natatoriums)
Swine, recommended environment, A24.7
Symbols, F37
Synthetic vitreous fibers (SVFs), F10.5
Tachometers, F36.25
Tall buildings, A4
Tanks, secondary coolant systems, R13.2
Temperature
Temperature-controlled transport, R25.1
Temperature index, S22.3
Terminal units, A47.12; S20.8
Terminology, R50
Terrorism. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
TES. See Thermal energy storage (TES)
Testing
Testing, adjusting, and balancing. (See also Balancing)
TETD/TA. See Total equivalent temperature differential method with time averaging (TETD/TA)
TEWI. See Total equivalent warning impact (TEWI)
Textile processing plants, A21
923 TFM. See Transfer function method (TFM)
Theaters, A5.3
Thermal bridges, F25.7
Thermal comfort. See Comfort
Thermal emittance, F25.2
Thermal energy storage (TES), S8.5; S51
Thermal properties, F26.1
Thermal resistivity, F25.1
Thermal storage, S51
Thermal transmission data, F26
Thermistors, R11.4
Thermodynamics, F2.1
Thermometers, F36.5
Thermopile, F7.4; F36.8; R45.4
Thermosiphons
Thermostats
Three-pipe distribution, S5.5
Tobacco smoke
Tollbooths
Total equivalent temperature differential method with time averaging (TETD/TA), F18.49
Total equivalent warming impact (TEWI), R6.1
Total equivalent warming impact (TEWI); ; R15.16
Trailers and trucks, refrigerated, R25. (See also Cargo containers)
Transducers, pneumatic pressure, F7.9
Transfer function method (TFM), A40.9; F18.49
Transmittance, thermal, F25.1
Transmitters, pneumatic pressure, F7.9
Transpiration, R19.19
Transportation centers
Transport properties of refrigerants, F30
Traps
Trucks, refrigerated, R25. (See also Cargo containers)
Tuning automatic control systems, F7.18
Tunnels, vehicular, A15.1
Turbines, S7
924 Turbochargers, heat recovery, S7.34
Turbulence modeling, F13.3
Turbulent flow, fluids, F3.3
Turndown ratio, design capacity, S13.4
Two-pipe systems, S5.5; S13.19
U.S. Marshal spaces, A9.5
U-factor
Ultralow-penetration air (ULPA) filters, S29.6; S30.3
Ultraviolet (UV) lamp systems, S17
Ultraviolet air and surface treatment, A60
Ultraviolet germicidal irradiation (UVGI), S16.1. [See also Ultraviolet (UV) lamp systems]
Uncertainty analysis
Underfloor air distribution (UFAD) systems, A4.5
Unitary systems, S49
Unit heaters. See Heaters
Units and conversions, F38.1
Unit ventilators, S28.1
Utility interfacing, electric, S7.43
UV. See Ultraviolet (UV) lamp systems
UVGI. See Ultraviolet germicidal irradiation (UVGI)
Vacuum cooling, of fruits and vegetables, R28.9
Validation, of airflow modeling, F13.9, 10, 17
Valves, S46. (See also Regulators)
Vaporization systems, S8.6
Vapor pressure, F27.8; F33.2
Vapor retarders, jackets, F23.9
Variable-air-volume (VAV) systems
Variable-frequency drives, S45.12
Variable refrigerant flow (VRF), S18.1; S49.1, 13
925 VAV. See Variable-air-volume (VAV) systems
Vegetables, R37
Vehicles
Vena contracta, F3.4
Vending machines, R16.5
Ventilation, F16
Ventilators
Venting
Verification, of airflow modeling, F13.9, 10, 17
Vessels, ammonia refrigeration systems, R2.3
Vibration, F8.18
Vibration control, A48
Viral pathogens, F10.7
Virgin rock temperature (VRT), and heat release rate, A29.3
Viscosity, F3.1
Volatile organic compounds (VOC),
Volatile organic compounds (VOC), F10.9
Voltage, A56.1
Volume ratio, compressors
VRF. See Variable refrigerant flow (VRF)
VRT. See Virgin rock temperature (VRT)
Walls
Warehouses, A3.8
Water
Water heaters
926 Water/lithium bromide absorption
Water-source heat pump (WSHP), S2.4; S49.10
Water systems, S13
Water treatment, A49
Water vapor control, A44.6
Water vapor retarders, F26.13
Water wells, A34.26
Weather data
Welding sheet metal, S19.11
Wet-bulb globe temperature (WBGT), heat stress, A31.5
Wheels, rotary enthalpy, S26.9
Whirlpools and spas
Wien’s displacement law, F4.12
Wind. (See also Climate design information; Weather data)
Wind chill index, F9.22
Windows. (See also Fenestration)
Wind restraint design, A55.15
Wineries
Wood construction, and moisture, F25.8
Wood products facilities, A26.1
Wood pulp, A26.2
Wood stoves, S34.5
World Wide Web (WWW), A40.8
WSHP. See Water-source heat pump (WSHP)
WWW. See World Wide Web (WWW)
Xenon, R47.18
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ASHRAE HVAC SystemsandEquipment Handbook IP 2012
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