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ASHRAE HVAC SystemsandEquipment Handbook SI 2012

$78.75

2012 ASHRAE Handbook HVAC Systems and Equipment – SI Edition

Published By Publication Date Number of Pages
ASHRAE 2012 919
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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 SI
2012
ASHRAE HANDBOOK
SI Edition
Supported by ASHRAE Research
2 12Inside4VolTOC SI
2012 HVAC SYSTEMS AND EQUIPMENT
2011 HVAC APPLICATIONS
3 2010 REFRIGERATION
2009 FUNDAMENTALS
4 SI_12FrontMatter
5 Dedicated To The Advancement Of
The Profession And Its Allied Industries
DISCLAIMER
12 SI_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 SI_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
Bibliography
32 SI_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 SI_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 SI_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 SI_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 SI_S12_Ch07
99 Table 1 Applications and Markets for DG/CHP Systems
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 SI_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 SI_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
182 SI_S12_Ch10
Components
Heating and Cooling Units
183 Ducts
Accessory Equipment
Controls
Common System Problems
184 System Design
Estimating Heating and Cooling Loads
Locating Outlets, Returns, Ducts, and Equipment
185 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
187 Detailing the Distribution Design
188 Duct Design Recommendations
Zone Control for Small Systems
189 Duct Sizing for Zone Damper Systems
Box Plenum Systems Using Flexible Duct
Embedded Loop Ducts
Small Commercial Systems
190 Air Distribution in Small Commercial Buildings
Controlling Airflow in New Buildings
Testing for Duct Efficiency
Data Inputs
191 Data Output
References
Bibliography
194 SI_S12_Ch11
Advantages
Fundamentals
195 Effects of Water , Air , and Gases
Heat Transfer
Basic Steam System Design
Steam Source
196 Boilers
Heat Recovery and Waste Heat Boilers
Heat Exchangers
Boiler Connections
Supply Piping
Return Piping
197 Design Steam Pressure
198 Piping
Supply Piping Design Considerations
199 Terminal Equipment Piping Design Considerations
Return Piping Design Considerations
Condensate Removal from Temperature-Regulated Equipment
200 Steam Traps
Thermostatic Traps
201 Mechanical Traps
202 Kinetic Traps
Pressure-Reducing Valves
Installation
204 Valve Size Selection
Terminal Equipment
Selection
Natural Convection Units
Forced-Convection Units
Convection Steam Heating
205 One-Pipe Steam Heating Systems
Two-Pipe Steam Heating Systems
Steam Distribution
206 Temperature Control
207 Heat Recovery
Flash Steam
208 Direct Heat Recovery
Combined Steam and Water Systems
209 Commissioning
References
Bibliography
210 SI_S12_Ch12
Applicability
Components
Environmental Benefits
211 Economic Considerations
Consumer Economics
Producer Economics
212 District Energy Economic Comparison
214 Central Plant
Heating and Cooling Production
Heating Medium
216 Heat Production
Chilled-Water Production
217 Thermal Storage
Auxiliaries
218 Distribution Design Considerations
Constant Flow
Variable Flow
219 Design Guidelines
Distribution System
Hydraulic Considerations
Objectives of Hydraulic Design
Water Hammer
220 Pressure Losses
Pipe Sizing
Network Calculations
Condensate Drainage and Return
221 Thermal Considerations
Thermal Design Conditions
Thermal Properties of Pipe Insulation and Soil
222 Methods of Heat Transfer Analysis
223 Calculation of Undisturbed Soil Temperatures
Convective Heat Transfer at Ground Surface
224 Uninsulated Buried Pipe
Insulated Buried Pipe
Buried Pipe in Conduit with Air Space
225 Buried Pipe with Composite Insulation
227 Two Pipes Buried in Common Conduit with Air Space
228 Two Buried Pipes or Conduits
229 Pipes in Buried Trenches or Tunnels
230 Pipes in Shallow Trenches
Buried Pipes with Other Geometries
Pipes in Air
231 Economical Thickness for Pipe Insulation
Expansion Provisions
232 Pipe Supports, Guides, and Anchors
Distribution System Construction
233 Piping Materials and Standards
Aboveground Systems
234 Underground Systems
236 Conduits
238 Cathodic Protection of Direct-Buried Conduits
239 Leak Detection
Valve Vaults and Entry Pits
241 Consumer Interconnections
Direct Connection
242 Indirect Connection
Components
Heat Exchangers
243 Flow Control Devices
244 Instrumentation
Controller
Pressure Control Devices
Heating Connections
Steam Connections
245 Hot-Water Connections
246 Building Conversion to District Heating
Chilled-Water Connections
247 Temperature Differential Control
Metering
248 Operation and Maintenance
References
249 Bibliography
250 SI_S12_Ch13
Principles
Temperature Classifications
Closed Water Systems
251 Method of Design
Thermal Components
Loads
252 Terminal Heating and Cooling Units
253 Source
Expansion Chamber
255 Hydraulic Components
Pump or Pumping System
257 Variable-Speed Pumping Application
259 Pump Connection
Distribution System
260 Expansion Chamber
Piping Circuits
262 Capacity Control of Load System
Sizing Control Valves
264 Alternatives to Control Valves
265 Low-Temperature Heating Systems
Nonresidential Heating Systems
266 Chilled-Water Systems
268 Dual-Temperature Systems
Two-Pipe Systems
Four-Pipe Common Load Systems
269 Four-Pipe Independent Load Systems
Other Design Considerations
Makeup and Fill Water Systems
Safety Relief Valves
270 Air Elimination
Drain and Shutoff
Balance Fittings
Pitch
Strainers
Thermometers
271 Flexible Connectors and Pipe Expansion Compensation
Gage Cocks
Insulation
Condensate Drains
Common Pipe
Other Design Procedures
Preliminary Equipment Layout
Final Pipe Sizing and Pressure Drop Determination
272 Freeze Prevention
Antifreeze Solutions
Effect on Heat Transfer and Flow
Effect on Heat Source or Chiller
273 Effect on Terminal Units
Effect on Pump Performance
Effect on Piping Pressure Loss
Installation and Maintenance
References
274 Bibliography
276 SI_S12_Ch14
Once-Through City Water Systems
Open Cooling Tower Systems
277 Air and Vapor Precautions
Pump Selection and Pressure Calculations
278 Water Treatment
Freeze Protection and Winter Operation
Low-Temperature (Water Economizer) Systems
279 Closed-Circuit Evaporative Coolers
Overpressure caused by Thermal Fluid Expansion
Bibliography
280 SI_S12_Ch15
System Characteristics
Basic System
281 Design Considerations
Direct-Fired High-Temperature Water Generators
282 Expansion and Pressurization
284 Direct-Contact Heaters (Cascades)
System Circulating Pumps
Distribution Piping Design
285 Heat Exchangers
Air-Heating Coils
Space-Heating Equipment
Instrumentation and Controls
286 Water Treatment
Heat Storage
Safety Considerations
287 References
Bibliography
288 SI_S12_Ch16
Energy Conservation
Infrared Energy Sources
Gas Infrared
289 Electric Infrared
290 Oil Infrared
System Efficiency
291 Reflectors
Controls
Precautions
292 Maintenance
Design Considerations for Beam Radiant Heaters
295 References
Bibliography
296 SI_S12_Ch17
Terminology
297 UVGI Fundamentals
Microbial Dose Response
Susceptibility of Microorganisms to UV Energy
298 Lamps and Ballasts
Types of UV-C Lamps
299 UV-C Lamp Ballasts
300 Germicidal Lamp Cooling and Heating Effects
UV-C Lamp Aging
UV-C Lamp Irradiance
UV Photodegradation of Materials
301 Maintenance
Lamp Replacement
Lamp Disposal
Visual Inspection
Safety
Hazards of Ultraviolet Radiation to Humans
302 Sources of UV Exposure
Exposure Limits
303 UV Radiation Measurements
Safety Design Guidance
Personnel Safety Training
Lamp Breakage
304 Unit Conversions
References
Bibliography
306 SI_S12_Ch18
308 Standards
309 Equipment
VRF System Operation
312 Design Considerations
313 VRF System Design Example
319 References
Bibliography
320 SI_S12_Ch19
Building Code Requirements
Classifications
Duct Cleaning
321 HVAC System Leakage
System Sealing
Sealants
322 Leakage Testing
323 Responsibilities
324 Air-Handling Unit Leakage
Residential Duct Construction
325 Commercial Duct Construction
Materials
Rectangular and Round Ducts
326 Flat Oval Ducts
Fibrous Glass Ducts
Flexible Ducts
Plenums and Apparatus Casings
Acoustical Treatment
327 Hangers
Industrial Duct Construction
Materials
Round Ducts
Rectangular Ducts
Construction Details
Hangers
Antimicrobial-Treated Ducts
328 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
Dispersion Types
329 Underground Ducts
Ducts Outside Buildings
Seismic Qualification
Sheet Metal Welding
Thermal Insulation
Specifications
330 References
331 Bibliography
332 SI_S12_Ch20
Supply Outlets
Fully Mixed Systems
333 Outlet Selection Procedure
Factors that Influence Selection
334 Fully Stratified Systems
Outlet Selection Procedure
Factors that Influence Selection
Partially Mixed Systems
335 Outlet Selection Procedures
Factors that Influence Selection
Types of Supply Air Outlets
Grilles
337 Nozzles
Diffusers
338 Return and Exhaust Air Inlets
Types of Inlets
V-Bar Grille
Lightproof Grille
Stamped Grilles
Eggcrate and Perforated-Face Grilles
Applications
339 Terminal Units
General
Single-Duct Terminal Units
Dual-Duct Terminal Units
Air-to-Air Induction Terminal Units
Fan-Powered Terminal Units
340 Bypass Terminal Units
Chilled Beams
Beam Types and Configurations
341 Fan-Coil Unit Systems
Two- and Four-Pipe Distribution Systems
Maintenance
Motors
342 Controls
Configurations
343 DX Fan-Coils
References
344 SI_S12_Ch21
Types of Fans
Principles of Operation
345 Testing and Rating
347 Fan Laws
349 Fan and System Pressure Relationships
350 Temperature Rise Across Fans
Duct System Characteristics
351 System Effects
Selection
352 Parallel Fan Operation
353 Noise
Vibration
354 Vibration Isolation
Arrangement and Installation
Fan Control
355 Symbols
References
Bibliography
356 SI_S12_Ch22
Environmental Conditions
Human Comfort
Prevention and Treatment of Disease
Electronic Equipment
357 Process Control and Materials Storage
Static Electricity
Sound Wave Transmission
Miscellaneous
Enclosure Characteristics
Vapor Retarders
358 Visible Condensation
Concealed Condensation
Energy Considerations
359 Load Calculations
Design Conditions
Ventilation Rate
Additional Moisture Losses
Internal Moisture Gains
360 Supply Water for Humidifiers
Scaling
Potential Bacterial Growth
Equipment
361 Residential Humidifiers for Central Air Systems
Residential Humidifiers for Nonducted Applications
Industrial and Commercial Humidifiers for Central Air Systems
364 Controls
Mechanical Controls
Electronic Controllers
366 Humidity Control in VAV Systems
Control Location
Management Systems
References
367 Bibliography
368 SI_S12_Ch23
Uses for Coils
Coil Construction and Arrangement
369 Water and Aqueous Glycol Coils
Direct-Expansion Coils
370 Control of Coils
Flow Arrangement
371 Applications
372 Coil Selection
373 Performance and Ratings
Airflow Resistance
Heat Transfer
374 Performance of Sensible Cooling Coils
376 Performance of Dehumidifying Coils
381 Determining Refrigeration Load
382 Maintenance
383 Symbols
References
Bibliography
384 SI_S12_Ch24
Methods of Dehumidification
Compression
385 Cooling
Liquid Desiccants
Solid Sorption
Desiccant Dehumidification
386 Liquid-Desiccant Equipment
Heat Removal
Regeneration
387 Solid-Sorption Equipment
Rotary Solid-Desiccant Dehumidifiers
Operation
389 Use of Cooling
Using Units in Series
390 Industrial Rotary Desiccant Dehumidifier Performance
Equipment Operating Recommendations
Process Air Filters
Reactivation/Regeneration Filters
Reactivation/Regeneration Ductwork
Leakage
Airflow Indication and Control
391 Commissioning
Owners’ and Operators’ Perspectives
Applications for Atmospheric-Pressure Dehumidification
Preservation of Materials in Storage
Process Dehumidification
392 Ventilation Air Dehumidification
Condensation Prevention
Dry Air-Conditioning Systems
393 Indoor Air Quality Contaminant Control
Testing
Desiccant Drying at Elevated Pressure
Equipment
Absorption
394 Adsorption
Applications
Material Preservation
Process Drying of Air and Other Gases
395 Equipment Testing
References
Bibliography
Additional Information
396 SI_S12_Ch25
Mechanical Dehumidifiers
Psychrometrics of Dehumidification
397 Residential Dehumidifiers
398 General-Purpose Dehumidifiers
399 DX Dedicated Outdoor Air System (DOAS) Units
400 Indoor Swimming Pool Dehumidifiers
402 Ice Rink Dehumidifiers
Industrial Dehumidifiers
403 Installation and Service Considerations
Wraparound Heat Exchangers
404 References
405 Bibliography
406 SI_S12_Ch26
Applications
407 Basic Thermodynamics
Thermodynamics of Heat Recovery Ventilators
Thermodynamics of Energy Recovery Ventilators
409 Ideal Air-to-Air Energy Exchange
Airflow Arrangements
Effectiveness
410 Rate of Energy Transfer
Additional Technical Considerations
Air Leakage
411 Air Capacity of Ventilator Fans
Pressure Drop
Maintenance
412 Filtration
Controls
Fouling
Corrosion
Condensation and Freeze-Up
413 Performance Ratings
Types and Applications of Air-to-Air Heat Exchangers
Fixed-Plate Heat Exchangers
414 Rotary Air-to-Air Energy Exchangers
416 Systems with Multiple Energy Recovery Exchangers
417 Coil Energy Recovery (Runaround) Loops
418 Heat Pipe Heat Exchangers
420 Liquid Desiccant Cooling Systems
421 Thermosiphon Heat Exchangers
423 Twin-Tower Enthalpy Recovery Loops
424 Indirect Evaporative Air Cooling
Precooling Air Reheaters (Series Application)
425 Comparison of Air-to-Air Energy Recovery Systems
Characterizing System Efficiency of Heat or Energy Recovery Ventilators
426 Selection of Heat or Energy Recovery Ventilators
Economic Considerations
428 Energy and/or Mass Recovery Calculation Procedure
432 Symbols
References
433 Bibliography
434 SI_S12_Ch27
Coil Construction and Design
Steam Coils
435 Water/Aqueous Glycol Heating Coils
436 Volatile Refrigerant Heat Reclaim Coils
Electric Heating Coils
Coil Selection
Coil Ratings
437 Overall Requirements
Installation Guidelines
438 Coil Maintenance
References
440 SI_S12_Ch28
Unit Ventilators
Application
Selection
442 Control
443 Unit Heaters
Application
Selection
445 Control
446 Piping Connections
447 Maintenance
Makeup Air Units
Description and Applications
Selection
448 Control
Applicable Codes and Standards
Commissioning
Maintenance
449 Bibliography
450 SI_S12_Ch29
Atmospheric Dust
Aerosol Characteristics
451 Air-Cleaning Applications
Mechanisms of Particle Collection
Evaluating Air Cleaners
452 Air Cleaner Test Methods
Arrestance Test
Dust-Holding Capacity Test
Particle Size Removal Efficiency Test
DOP Penetration Test
453 Leakage (Scan) Tests
Other Performance Tests
Guideline 26-2008
Environmental Tests
AHRI Standards
Types of Air Cleaners
454 Filter Types and Performance
Panel Filters
455 Electronic Air Cleaners
457 Selection and Maintenance
Residential Air Cleaners
459 VAV Systems
Antimicrobial Treatment of Filter Media
Air Cleaner Installation
Safety Considerations
460 References
Bibliography
462 SI_S12_Ch30
Equipment Selection
Regulations and Monitoring
Gas-Cleaning Regulations
463 Measuring Gas Streams and Contaminants
Gas Flow Distribution
Monitors and Controls
Particulate Contaminant Control
464 Collector Performance
465 Mechanical Collectors
Settling Chambers
Inertial Collectors
468 Electrostatic Precipitators
469 Single-Stage Designs
470 Two-Stage Designs
471 Fabric Filters
Principle of Operation
472 Pressure-Volume Relationships
Electrostatic Augmentation
Fabrics
473 Types of Self-Cleaning Mechanisms for Fabric Dust Collectors
475 Granular-Bed Filters
Principle of Operation
476 Particulate Scrubbers (Wet Collectors)
Principle of Operation
Spray Towers and Impingement Scrubbers
477 Centrifugal-Type Collectors
Orifice-Type Collectors
Venturi Scrubber
Electrostatically Augmented Scrubbers
478 Gaseous Contaminant Control
Spray Dry Scrubbing
Principle of Operation
Equipment
479 Wet-Packed Scrubbers
Scrubber Packings
Arrangements of Packed Scrubbers
481 Pressure Drop
Absorption Efficiency
484 General Efficiency Comparisons
Liquid Effects
Adsorption of Gaseous Contaminants
485 Equipment for Adsorption
Solvent Recovery
486 Odor Control
487 Applications of Fluidized Bed Adsorbers
Incineration of Gases and Vapors
Thermal Oxidizers
Catalytic Oxidizers
488 Applications of Oxidizers
Adsorption and Oxidation
Auxiliary Equipment
Ducts
489 Temperature Controls
Fans
Dust- and Slurry-Handling Equipment
Hoppers
Dust Conveyors
Dust Disposal
Slurry Treatment
490 Operation and Maintenance
Corrosion
Fires and Explosions
References
491 Bibliography
492 SI_S12_Ch31
General Considerations
Terminology
System Application
493 Safety
Efficiency and Emission Ratings
Steady-State and Cyclic Efficiency
Emissions
494 Gas-Burning Appliances
Gas-Fired Combustion Systems
Burners
Combustion System Flow
495 Ignition
Input Rate Control
496 Residential Appliances
Boilers
Forced-Air Furnaces
Water Heaters
Combination Space- and Water-Heating Appliances
Pool Heaters
497 Conversion Burners
Commercial-Industrial Appliances
Boilers
Space Heaters
Water Heaters
Pool Heaters
Applications
498 Location
Gas Supply and Piping
Air for Combustion and Ventilation
Draft Control
Venting
499 Building Depressurization
Gas Input Rate
500 Effect of Gas Temperature and Barometric Pressure Changes on Gas Input Rate
Fuel Gas Interchangeability
Altitude
502 Oil-Burning Appliances
Residential Oil Burners
503 Commercial/Industrial Oil Burners
Pressure-Atomizing Oil Burners
Return-Flow Pressure-Atomizing Oil Burners
504 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
505 Dual-Fuel Gas/Oil Burners
Equipment Selection
Fuel Oil Storage Systems
506 Fuel-Handling Systems
507 Fuel Oil Preparation System
Solid-Fuel-Burning Appliances
Capacity Classification of Stokers
508 Stoker Types by Fuel-Feed Methods
Spreader Stokers
509 Underfeed Stokers
Chain and Traveling Grate Stokers
Vibrating Grate Stokers
510 Controls
Safety Controls and Interlocks
Ignition and Flame Monitoring
511 Draft Proving
Limit Controls
Other Safety Controls
Prescriptive Requirements for Safety Controls
Reliability of Safety Controls
Operating Controls
512 Integrated and Programmed Controls
513 References
Bibliography
514 SI_S12_Ch32
Classifications
Working Pressure and Temperature
Fuel Used
Construction Materials
516 Type of Draft
Condensing or Noncondensing
517 Wall-Hung Boilers
Integrated (Combination) Boilers
Electric Boilers
518 Selection Parameters
Efficiency: Input and Output Ratings
519 Performance Codes and Standards
Sizing
520 Burner Types
BOILER CONTROLS
Operating Controls
Water Level Controls
521 Flame Safeguard Controls
References
Bibliography
522 SI_S12_Ch33
Components
Casing or Cabinet
Heat Exchangers
523 Combustion Venting Components
Circulating Blowers and Motors
Filters and Other Accessories
524 Airflow Variations
525 Combustion System Variations
Indoor/Outdoor Furnace Variations
Heat Source Types
Natural Gas and Propane Furnaces
Oil Furnaces
Electric Furnaces
526 Commercial Equipment
Ducted Equipment
Unducted Heaters
Controls and Operating Characteristics
External to Furnace
527 Internal to Furnace
Equipment Selection
Distribution System
Equipment Location
Forced-Air System Primary Use
528 Fuel Selection
Combustion Air and Venting
Equipment Sizing
Types of Furnaces
Consumer Considerations
529 Selecting Furnaces for Commercial Buildings
Calculations
530 Technical Data
Natural Gas Furnaces
531 Propane Furnaces
Oil Furnaces
Electric Furnaces
Commercial Furnaces
Installation
532 Agency Listings
References
533 Bibliography
534 SI_S12_Ch34
Gas In-Space Heaters
Room Heaters
Wall Furnaces
535 Floor Furnaces
United States Minimum Efficiency Requirements
Controls
Valves
Thermostats
536 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
537 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
538 Freestanding Fireplaces
Stoves
Conventional Wood Stoves
Advanced-Design Wood Stoves
Fireplace Inserts
539 Pellet-Burning Stoves
General Installation Practices
Safety with Solid Fuels
Utility-Furnished Energy
Products of Combustion
540 Agency Testing
References
Bibliography
542 SI_S12_Ch35
Terminology
Draft Operating Principles
543 Chimney Functions
Start-Up
Air Intakes
544 Vent Size
Draft Control
Pollution Control
Equipment Location
Wind Effects
Safety Factors
Steady-State Chimney Design Equations
545 1. Mass Flow of Combustion Products in Chimneys and Vents
2. Mean Chimney Gas Temperature and Density
548 3. Theoretical Draft
549 4. System Pressure Loss Caused by Flow
5. Available Draft
6. Chimney Gas Velocity
550 7. System Resistance Coefficient
551 Configuration and Manifolding Effects
552 8. Input, Diameter, and Temperature Relationships
9. Volumetric Flow in Chimney or System
Steady-State Chimney Design Graphical Solutions
553 Vent and Chimney Capacity Calculation Examples
559 Gas Appliance Venting
Vent Connectors
Masonry Chimneys for Gas Appliances
Type B and Type L Factory-Built Venting Systems
Gas Appliances Without Draft Hoods
560 Conversion to Gas
Oil-Fired Appliance Venting
Condensation and Corrosion
561 Connector and Chimney Corrosion
Vent Connectors
Masonry Chimneys for Oil-Fired Appliances
Replacement of Appliances
Fireplace Chimneys
566 Air Supply to Fuel-Burning Appliances
567 Vent and Chimney Materials
568 Vent and Chimney Accessories
Draft Hoods
569 Draft Regulators
Vent Dampers
570 Heat Exchangers or Flue Gas Heat Extractors
Draft Fans
571 Terminations: Caps and Wind Effects
573 Codes and Standards
Symbols
574 References
Bibliography
576 SI_S12_Ch36
Description
Radiators
Pipe Coils
Convectors
Baseboard Units
Finned-Tube Units
577 Heat Emission
Ratings of Heat-Distributing Units
Radiators
Convectors
578 Baseboard Units
Finned-Tube Units
Other Heat-Distributing Units
Corrections for Nonstandard Conditions
Design
Effect of Water Velocity
579 Effect of Altitude
580 Effect of Mass
Performance at Low Water Temperatures
Effect of Enclosure and Paint
Applications
Radiators
Convectors
Baseboard Radiation
Finned-Tube Radiation
Radiant Panels
581 References
Bibliography
582 SI_S12_Ch37
Solar Heating Systems
583 Air-Heating Systems
Liquid-Heating Systems
Direct and Indirect Systems
Freeze Protection
584 Solar Thermal Energy Collectors
Collector Types
585 Collector Construction
587 Row Design
Piping Configuration
588 Velocity Limitations
Thermal Expansion
Array Design
Piping Configuration
589 Shading
Thermal Collector Performance
591 Testing Methods
Collector Test Results and Initial Screening Methods
Generic Test Results
592 Thermal Energy Storage
Air System Thermal Storage
Liquid System Thermal Storage
594 Storage Tank Construction
Storage Tank Insulation
595 Stratification and Short Circuiting
Storage Sizing
596 Heat Exchangers
Requirements
597 Internal Heat Exchanger
External Heat Exchanger
598 Heat Exchanger Performance
Controls
Differential Temperature Controllers
599 Photovoltaically Powered Pumps
Overtemperature Protection
Hot-Water Dump
600 Heat Exchanger Freeze Protection
Photovoltaic Systems
Fundamentals of Photovoltaics
601 Photovoltaic Cells and Modules
602 Related Equipment
References
603 Bibliography
604 SI_S12_Ch38
Positive-Displacement Compressors
605 Performance
Ideal Compressor
606 Actual Compressor
Compressor Efficiency, Subcooling, and Superheating
607 Abnormal Operating Conditions, Hazards, and Protective Devices
Liquid Hazard
Suction and Discharge Pulsations
608 Noise
Vibration
Shock
Testing and Operating Requirements
609 Motors
610 Reciprocating Compressors
611 Performance Data
Motor Performance
612 Features
614 Special Devices
Application
Rotary Compressors
Rolling-Piston Compressors
615 Performance
616 Features
Rotary-Vane Compressors
617 Single-Screw Compressors
Description
Compression Process
Mechanical Features
621 Noise and Vibration
Twin-Screw Compressors
622 Compression Process
Mechanical Features
623 Capacity Control
624 Volume (Compression) Ratio
Oil Injection
626 Economizers
Hermetic and Semihermetic Compressors
Performance Characteristics
627 Noise
Orbital Compressors
Scroll Compressors
Description
Mechanical Features
628 Capacity Control
629 Performance
Noise and Vibration
Operation and Maintenance
Trochoidal Compressors
630 Description and Performance
Centrifugal Compressors
631 Refrigeration Cycle
632 Angular Momentum
Isentropic Analysis
633 Polytropic Analysis
634 Nondimensional Coefficients
Mach Number
635 Performance
Testing
Surging
636 System Balance and Capacity Control
637 Application
Critical Speed
Vibration
Noise
638 Drivers
Paralleling
Other Specialized Applications
Mechanical Design
Impellers
639 Casings
Lubrication
Bearings
Accessories
Operation and Maintenance
640 Symbols
References
642 SI_S12_Ch39
Water-Cooled Condensers
Heat Removal
643 Heat Transfer
Overall Heat Transfer Coefficient
Water-Side Film Coefficient
Refrigerant-Side Film Coefficient
644 Tube-Wall Resistance
645 Surface Efficiency
Fouling Factor
Water Pressure Drop
646 Liquid Subcooling
Water Circuiting
Types
Shell-and-Tube Condensers
647 Shell-and-Coil Condensers
Tube-in-Tube Condensers
Brazed-Plate and Plate-and-Frame Condensers
Noncondensable Gases
648 Testing and Rating
Design Pressure
Operation and Maintenance
649 Air-Cooled Condensers
Types
Plate-and-Fin
650 Integral-Fin
Microchannel
Fans and Air Requirements
Heat Transfer and Pressure Drop
651 Condensers Remote from Compressor
Condensers as Part of Condensing Unit
Water-Cooled Versus Air-Cooled Condensing
652 Testing and Rating
Control
654 Installation and Maintenance
655 Evaporative Condensers
Heat Transfer
656 Condenser Configuration
Coils
Method of Coil Wetting
Airflow
657 Condenser Location
Multiple-Condenser Installations
Ratings
658 Desuperheating Coils
Refrigerant Liquid Subcoolers
Multicircuit Condensers and Coolers
659 Water Treatment
Water Consumption
Capacity Modulation
Purging
Maintenance
Testing and Rating
660 References
661 Bibliography
662 SI_S12_Ch40
Principle of Operation
663 Design Conditions
Types of Cooling Towers
665 Direct-Contact Cooling Towers
668 Indirect-Contact Cooling Towers
Hybrid Cooling Towers
670 Materials of Construction
671 Selection Considerations
Application
Siting
672 Piping
Capacity Control
673 Water-Side Economizer (Free Cooling)
674 Winter Operation
Sound
675 Drift
Fogging (Cooling Tower Plume)
Maintenance
676 Inspections
677 Water Treatment
White Rust
678 Performance Curves
679 Cooling Tower Thermal Performance
Cooling Tower Theory
681 Counterflow Integration
Cross-Flow Integration
682 Tower Coefficients
683 Available Coefficients
Establishing Tower Characteristics
684 Additional Information
References
Bibliography
686 SI_S12_Ch41
Direct Evaporative Air Coolers
687 Random-Media Air Coolers
Rigid-Media Air Coolers
Remote Pad Evaporative Cooling Equipment
688 Indirect Evaporative Air Coolers
Packaged Indirect Evaporative Air Coolers
690 Heat Recovery
Cooling Tower/Coil Systems
Other Indirect Evaporative Cooling Equipment
Indirect/Direct Combinations
691 Precooling and Makeup Air Pretreatment
Air Washers
Spray Air Washers
692 High-Velocity Spray-Type Air Washers
Humidification/Dehumidification
Humidification with Air Washers and Rigid Media
693 Dehumidification with Air Washers and Rigid Media
Air Cleaning
694 Sound Attenuation
Maintenance and Water Treatment
Legionnaires’ Disease
696 SI_S12_Ch42
Types of Liquid Coolers
Direct-Expansion
Flooded
697 Baudelot
698 Shell-and-Coil
Heat Transfer
Heat Transfer Coefficients
699 Fouling Factors
Wall Resistance
Pressure Drop
Fluid Side
Refrigerant Side
Vessel Design
Mechanical Requirements
700 Chemical Requirements
Electrical Requirements
Application Considerations
Refrigerant Flow Control
Freeze Prevention
701 Oil Return
Maintenance
Insulation
References
702 SI_S12_Ch43
General Characteristics
Principles of Operation
Common Liquid-Chilling Systems
Basic System
Multiple-Chiller Systems
703 Heat Recovery Systems
704 Selection
Control
Liquid Chiller Controls
705 Controls That Influence the Liquid Chiller
Safety Controls
706 Standards and Testing
General Maintenance
Continual Monitoring
Periodic Checks
Regularly Scheduled Maintenance
Extended Maintenance Checks
Reciprocating Liquid Chillers
Equipment
Components and Their Functions
707 Capacities and Types Available
Selection of Refrigerant
Performance Characteristics and Operating Problems
708 Method of Selection
Ratings
Power Consumption
Fouling
Control Considerations
Special Applications
Centrifugal Liquid Chillers
Equipment
Components and Their Function
709 Capacities and Types Available
Selection of Refrigerant
710 Performance and Operating Characteristics
711 Selection
Ratings
Fouling
712 Noise and Vibration
Control Considerations
Auxiliaries
713 Special Applications
Free Cooling
Air-Cooled System
Other Coolants
Vapor Condensing
Operation and Maintenance
714 Screw Liquid Chillers
Equipment
Components and Their Function
Capacities and Types Available
Selection of Refrigerant
Performance and Operating Characteristics
715 Selection
Ratings
Power Consumption
Fouling
Control Considerations
Auxiliaries
716 Special Applications
Maintenance
References
717 Bibliography
Online Resource
718 SI_S12_Ch44
Centrifugal Pumping
Construction Features
719 Pump Types
Circulator Pump
Close-Coupled, Single-Stage, End-Suction Pump
Frame-Mounted, End-Suction Pump on Base Plate
720 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
721 Pump Performance Curves
722 Hydronic System Curves
723 Pump and Hydronic System Curves
724 Pump Power
Pump Efficiency
Affinity Laws
726 Radial Thrust
727 Net Positive Suction Characteristics
Selection of Pumps
728 Arrangement of Pumps
Parallel Pumping
729 Series Pumping
Standby Pump
730 Pumps with Two-Speed Motors
Primary-Secondary Pumping
Variable-Speed Pumping
Distributed Pumping
Differential Pressure Control with Predefined Control Curves
731 Motive Power
732 Energy Conservation in Pumping
Installation, Operation, and Commissioning
733 Troubleshooting
References
Bibliography
734 SI_S12_Ch45
Motors
Alternating-Current Power Supply
735 Codes and Standards
Motor Efficiency
736 General-Purpose Induction Motors
737 Application
Hermetic Motors
Application
738 Integral Thermal Protection
739 Motor Protection and Control
Separate Motor Protection
Protection of Control Apparatus and Branch Circuit Conductors
740 Three-Phase Motor-Starting and Control Methods
Direct-Current Motor-Starting and Control Methods
Single-Phase Motor-Starting Methods
741 Running AC Induction Motors Above Base Speed
742 VFD-Induced Bearing Currents
743 Bearing Current Identification Techniques
Strategies for Mitigating Bearing Currents
744 Air Volume Control
745 Variable-Speed Drives (VSD)
746 Power Transistor Characteristics
Motor and Conductor Impedance
747 Motor Ratings and NEMA Standards
748 Motor Noise and Drive Carrier Frequencies
Carrier Frequencies and Drive Ratings
Power Distribution System Effects
749 VSDs and Harmonics
750 References
Bibliography
752 SI_S12_Ch46
Pipe
Steel Pipe
Copper Tube
753 Ductile Iron and Cast Iron
Fittings
Joining Methods
Threading
Soldering and Brazing
Flared and Compression Joints
756 Flanges
Welding
Reinforced Outlet Fittings
Other Joints
Unions
757 Special Systems
Selection of Materials
758 Pipe Wall Thickness
Stress Calculations
Plastic Piping
759 Allowable Stress
Plastic Material Selection
Pipe-Supporting Elements
761 Pipe Expansion and Flexibility
Pipe Bends and Loops
762 L Bends
Z Bends
U Bends and Pipe Loops
763 Cold Springing of Pipe
Analyzing Existing Piping Configurations
Expansion Joints and Expansion Compensating Devices
764 Packed Expansion Joints
765 References
Bibliography
766 SI_S12_Ch47
Fundamentals
Body Ratings
Materials
767 Flow Coefficient and Pressure Drop
Cavitation
Water Hammer
Noise
768 Body Styles
Manual Valves
Selection
Globe Valves
Gate Valves
Plug Valves
Ball Valves
769 Butterfly Valves
Pinch Valves
Automatic Valves
770 Actuators
Pneumatic Actuators
Electric Actuators
Electrohydraulic Actuators
771 Solenoids
Thermostatic Radiator Valves
Control of Automatic Valves
Two-Way Valves (Single- and Double-Seated)
Three-Way Valves
Special-Purpose Valves
772 Ball Valves
Butterfly Valves
Control Valve Flow Characteristics
773 Control Valve Sizing
774 Applications
Balancing Valves
Manual Balancing Valves
775 Automatic Flow-Limiting Valves
Balancing Valve Selection
Multiple-Purpose Valves
776 Safety Devices
Self-Contained Temperature Control Valves
777 Pressure-Reducing Valves
Makeup Water Valves
Check Valves
778 Stop-Check Valves
Backflow Prevention Devices
Selection
Installation
Steam Traps
References
779 Bibliography
780 SI_S12_Ch48
Fundamentals
Types of Heat Exchangers
781 Shell-and-Tube Heat Exchangers
782 Plate Heat Exchangers
Double-Wall Heat Exchangers
783 Components
Shell-and-Tube Components
Plate Components
Application
784 Selection Criteria
Thermal/Mechanical Design
Cost
Serviceability
Space Requirements
785 Steam
Installation
786 SI_S12_Ch49
General Design Considerations
User Requirements
Application Requirements
787 Installation
Service
Sustainability
Types of Unitary Equipment
789 Combined Space-Conditioning/Water-Heating Systems
Typical Unitary Equipment
790 Equipment and System Standards
Energy Conservation and Efficiency
791 AHRI Certification Programs
Safety Standards and Installation Codes
Air Conditioners
Refrigerant Circuit Design
792 Air-Handling Systems
Electrical Design
793 Mechanical Design
Accessories
Heating
Air-Source Heat Pumps
Add-On Heat Pumps
794 Selection
Refrigerant Circuit and Components
795 System Control and Installation
Water-Source Heat Pumps
Systems
796 Performance Certification Programs
Equipment Design
798 Variable-Refrigerant-Flow Heat Pumps
Application
Categories
Refrigerant Circuit and Components
Heating and Defrost Operation
References
799 Bibliography
800 SI_S12_Ch50
Room Air Conditioners
Sizes and Classifications
Design
801 Compressors
Evaporator and Condenser Coils
Restrictor Application and Sizing
Fan Motor and Air Impeller Selection
Electronics
Performance Data
Efficiency
802 Sensible Heat Ratio
Energy Conservation and Efficiency
High-Efficiency Design
Special Features
803 Safety Codes and Standards
Product Standards
Installation and Service
804 Packaged Terminal Air Conditioners
Sizes and Classifications
805 General Design Considerations
Design of PTAC/PTHP Components
806 Heat Pump Operation
Performance and Safety Testing
References
807 Bibliography
808 SI_S12_Ch51
Terminology
809 Classification of Systems
Storage Media
810 Basic Thermal Storage Concepts
Benefits of Thermal Storage
811 Design Considerations
Sensible Thermal Storage Technology
Sensible Energy Storage
Temperature Range and Storage Size
Techniques for Thermal Separation in Sensible Storage Devices
812 Performance of Chilled-Water Storage Systems
Design of Stratification Diffusers
813 Storage Tank Insulation
Other Factors
Chilled-Water Storage Tanks
Low-Temperature Fluid Sensible Energy Storage
Storage in Aquifers
814 Chilled-Water Thermal Storage Sizing Examples
816 Latent Cool Storage Technology
817 Water as Phase-Change Thermal Storage Medium
Internal Melt Ice-On-Coil
818 Chiller and Ice Storage Selection
819 Operation With Disabled Chiller
Selecting Storage Equipment
External-Melt Ice-On-Coil
820 Encapsulated Ice
821 Ice Harvesters
822 Ice Slurry Systems
Unitary Thermal Storage Systems
Other Phase-Change Materials
823 Heat Storage Technology
Sizing Heat Storage Systems
Service Water Heating
Brick Storage (ETS) Heaters
825 Pressurized Water Storage Heaters
Underfloor Heat Storage
Building Mass Thermal Storage
827 Storage Charging and Discharging
Design Considerations
Factors Favoring Thermal Storage
828 Factors Discouraging Thermal Storage
Typical Applications
829 Sizing Cool Storage Systems
Sizing Strategies
Calculating Load Profiles
830 Sizing Equipment
831 Application of Thermal Storage Systems
Chilled-Water Storage Systems
832 Ice (and PCM) Storage Systems
834 Unitary Thermal Storage Systems
Operation and Control
835 Operating Modes
836 Control Strategies
837 Operating Strategies
Utility Demand Control
Instrumentation Requirements
Other Design Considerations
Hydronic System Design for Open Systems
Cold-Air Distribution
838 Storage of Heat in Cool Storage Units
839 System Interface
Insulation
Cost Considerations
Maintenance Considerations
840 Water Treatment
Commissioning
Statement of Design Intent
841 Commissioning Specification
Required Information
Performance Verification
842 Sample Commissioning Plan Outline for Chilled-Water Plants with Thermal Storage Systems
Good Practices
843 References
844 Bibliography
846 SI_S12_Ch52
Selected Codes and Standards Published by Various Societies and Associations (Continued)
871 ORGANIZATIONS
873 S12AdditionsSI
2009 Fundamentals
875 2010 Refrigeration
2011 HVAC Applications
876 Table 4 Energy Cost Percentiles from 2003 Commercial Survey
879 SI_2012INDEX_bookIX
Abbreviations, F37
Absorbents
Absorption
Acoustics. See Sound
Activated carbon adsorption, A46.6
ADPI. See Air diffusion performance index (ADPI)
Adsorbents
Adsorption
Aeration, of farm crops, A25
Aerosols, S29.1
Affinity laws for centrifugal pumps, S44.7
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)
880 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
881 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, R0
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
882 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
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
883 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
884 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)
885 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, A3.1
886 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
887 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)
888 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)
889 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
890 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
891 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, F31.12
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
892 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
893 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, A48.42; 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)
894 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
895 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, A38.13; F36.17
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
896 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)
897 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
898 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)
899 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
900 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
901 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
902 Laser Doppler anemometers (LDA), F36.16
Laser Doppler velocimeters (LDV), F36.16
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, F36.28
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)
903 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
904 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; S44.10
Net positive suction pressure (NPSP), R2.3
Night setback,recovery, A42.36
Nitrogen
Noise, F8.13. (See also Sound)
Noise criterion (NC) curves, F8.16
Noncondensable gases
NPSP. See Net positive suction pressure (NPSP)
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
905 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, 25
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)
906 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, F31.12
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
907 Prisons, A9.3
Produce
Propane
Propylene glycol, hydronic systems, S13.23
Psychrometers, F1.9
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, 21
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
908 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)
909 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
910 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
911 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)
912 Soybeans, drying, A25.6
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, F36.26
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
913 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, F36.26
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 warming impact (TEWI)
Textile processing plants, A21
914 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
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
915 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
VAV. See Variable-air-volume (VAV) systems
916 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
917 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, S19.10
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
919 CommentPage
ASHRAE HVAC SystemsandEquipment Handbook SI 2012
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