Document X6pMYvJq8xrVp7b0k8gbD9BR
Heating Ventilating Air Conditioning Guide
1958
Tables (ctmiinued)
humidities, industrial air con ditioning, 1142-1152
hygroscopic rrmtorinlfi H54
incident angle, 299 inertial separator, 859
infiltration through outside doors, 244
- infiltration through walls, 240 infiltration through windows. 242
inflammability, gases. 164. 165
inside temperatures, 271, 291. 1142-1152
instantaneous solar heat gain 312, 313, 315-320
insulation conductivity, 704 insulation factors, 712
insulation thickness, 716, 723 insulation to prevent freezing.
720.
insulation, underground, 723 intake velocity, 784 iron elbow equivalents, 564 life of equipment, 1094
limits for contaminants, 164 load factors, 482
maintenance cost, 1096 maximum allowable concen
trations
dust, fumes, mists, 158-161 dusts, 161, 162
flammable gases, 158, 164. 165
gases, 158-161 vapors, 158-161 metal gages for ducts, 817,1134 meter performance, 1204 minimum outdoor air require_ ments to remove odors, 113 moist air factors, 28 moisture content for mate
rials, 1154 moisture regain, 1154
moisture transfer, 225 motor classification, 996 motor current, 997
motor design Limits, 994 motor drive applications, 1001 motor horsepower, 994 motor ratings, 1003
motor speed range, 994 motor starting methods, 1004 motor torque, 1001 motor voltage, 994 noise levels, 1021
octave frequency bands, 1012 oil fuel specifications, 356 oil heat value, 357 operating cost, 1092, 1094.
1095 operating hours, 1097, 1228 orifice capacities, 525 outdoor air requirement. 113.
297
outlet velocities, 838 outside temperatures, 263, 291 owning and operating cost.
1092, 1095
panel resistance ceiling, 620, 623 floor, 627
floor covering, 628 particle size, 153, 154
particulate matter, size, 153 perimeter extended plenum
branch duct capacity, 494 size, 497
perimeter loop system diffuser area, 489 duct capacity, 492
feeder diameter, 488 perimeter radial system
feeder duct capacity, 491 perimeter system
return duct capacity, 498 permeability to vapor, 225 physiological response to heat
117 pipe application, 700 pipe capacity, 403, 409, 527,
Tables (continued)
528, 530, 532-535, 537, 561. 948, 949
pipe correction factor, 641 pipe covering factors, 712 pipe dimension, 674 pipe fittingB, 680
dimensions, 682-693 pressure ratings, 681 pipe insulation, 704 pipe roughness, 73, 796 pipe surface, 674
thermal stress, 695, 696, 698 pipe volume, 579, 674 pressure loss
area change, 801 ducts, 510 elbows, 529, 564, 800, 1204 ' fittings, 488, 502, 529. 564.
1204 refrigerant line, 948, 949 registers, 508, 509. return intake, 784 velocity, 803 properties of air, 32-39
dichlorodifluoromethane 915
fuel oil, 356
gaseous fuels, 364 moist air, 32-39 monochlorodifluorometh
ane. 917
monofluorotrichloromethane, 918
steam. 49
trichlorotrifluoromethane. 918
water, 40-48, 593 radiation, black body, 96 radiation factors, 95, 603 radiation problem solution, 97 radiator beat loss correction
factors, 602 raffiator sizes, 596-598 rating air conditioning units
667 rating steel boilers, 419, 420 ratio of specific heats, 73 refrigerant properties, 915, 917.
918
refrigerant line capacity. 948, 949
refrigeration equipment selec tion, 952
regain of hygroscopic mate rials, 1154
register pressure loss, 508, 509 register temperature, 506, 507 requirements for fuel oil, 356 resistor beat output, 1063 return pipe capacities, 528.
532, 533, 535
room temperature differential. 272
saturated steam, 49 screen mesh, 154 shading effect, 321
sheet metal gages for ducts, , 817, 1134
ship design conditions, 1193 skylights, 212 slime control, 1077 slime formers, 1068 smoke chart numbers, 1257 snowfall data, 633
snow melting systems, 637 sodium dichromate, 1081 soil conductivity, 173 sol-air temperature, 302 solar altitude, 298-300 solar azimuth, 300 solar declination, 300 solar heater design, 1219 solar heat gain, 304, 312-321 solar radiation, 298 sound attenuation, 1027, 1028,
1030, 1031 sound level, 1018. 1021, 1039 specific gravity factors, 410 specific heat of compressible
fluids, 73
Tables (continued)
specific heat ratio, 73
spray pond design data, 877
steady-state conduction prob
lems, 101
steam consumption
buildings, 479, 728 >
equipment, 726
r
water heating, 727
steam conversion factors,' 602
steam pipe capacities, 527.530
532-535
steam pressure, 49
steel boiler ratings, 419. 420
summer' climatic conditions . 291
summer design condi tiona.
288, 291
surface conductance,. 93. 174.
178
temperature, bonnet, 506, 507
temperature differential, 272.
304, 306, 307 .
temperature, industrial air
conditioning, 1142-1152
temperature, inside, 271, 288,
1142-1152
temperature limit for men, 118
temperature range, 290
temperature, summer, 291
temperature, winter, 263
thermal conduction problems.
107 113
thermal conductivity, 91, 173,
704
thermal convection conduct
ance, 93
thermodynamic properties
moi9t air, 32-39
water, 40-48
transmittance, glass, 312, 313
unit conditioner rating, 667
unit fuel consumption, 476
unit heater capacity factors.
648
unit ventilator capacities, 656
upper temperature limits,. 118
vanes in elbows, 800
vapor transfer, 228
velocity constant for airjet.
764
velocity, return intake, 784
ventilation rates for equip
ment, 1122-1125
ventilation standards, 297
viscosity conversion, 639
viscosity effect on pump, 640
warm air ducts, 488-499
warm air fittings, 502
water analyses, 1066, 1087
water cooling effectiveness, 885
water fixture flow, 1198
water main temperatures, 870
water meter performance, 1204
water pipe capacities, 561
water requirements, 1207,1208,
1210, 1229
weight of air, 32
weights of ducts, 818
wet collectors, 860
winter climatic conditions, 263
winter design temperatures,
263
Tank, tanks expansion, 576-582
oil storage, 402 Tax, pipe, 422
Temperature, temperatures absolute, 9, 30 attic, 273
automatic control, 965, 1184. 1187, 1191
basement, 275 body, 113 ceiling, 271 oontrol for raffway passenger
car, 1184 control service water, 1215 design wet-bulb, 288, 291, 883 dew-point, 9, 26
Index to Technical Data Section
Temperature, temperatures (continued)
differential, 303 dry-bulb, 9 drying, 1165 effective, 9 floor, 272 nound, 275, 276 hazard, 117 industrial, 1255 inside, 271, 278, 1193
ceilingB, high, 271 proper level, 271 mean radiant, 119,120, 613 measurement, 1239 pyrometers, 1243 thermocouple, 1240 thermometers, 1239 outside. 263, 291 proper level, 271
surfaoe%H, 434, 1242
thermodynamic wet-bulb, 26 unheated spaces, 275 water main, 870 wet-bulb, 9
Terminology, 1 Test methods, 1239, 1261
Testing codes, (see also Stand ards), 1261
Therapy cold, 143 fever, 142 oxygen, 145
Therm, 9
Thermal conductance, 169 conduction equation, 90 conductivity, 90, 169 convection, 89, 91 convection equation. 91 expansion of pipe, 694 integrator, 1256 interchanges of body, 113 radiation equation, 92 resistance, 8, 170 steady-state conduction prob lems, 101 transmittance, 9, 278 unit conductances for convec tion, 93
Thermocouples, 1240
Thermodynamics, 23 air and water mixture, 25, 29, 32 moist air, 26 laws, of, 9, 23 wet-bulb temperature, 26
Thermometers, 1239 alcohol, 1239 dry-bulb, 1249 globe, 1256 Kata, 1251 mercurial, 1239 resistance, 7, 1242 stem correction, 1239 wet-bulb, 1252
Thermostat, 9, 971 room, 978
Tijpe lag through walls and roofs, 322
Ton of refrigeration, 8 Total beat, 5 Total pressure, 7
Tower, towers. 877 cooling, design, 884 cooling, performance, 886 mechanical draft, 879 natural draft, 877 selection, 889 spray cooling, 875
Transmission coefficient for heat, 5 heat losses, 275-279 solar heat, 302, 309
Transmittance, thermal, 9 Transportation air conditioning,
1181 temperature and humidity
control, 1184, 1185, 1187
Trap, traps, 546 alternating receiver, 549 automatic return, 519, 549 bucket, 548 float, 546, 547 impulse, 549 installation, 549 steam, 546 thermostatic, 546
Traveling-grate stoker, 383, 385 Treatment of disease, 131, 137 Tropical air cooling, 136 Tube radiator, 8 Tunnel dryer, 1173 Tunnels, pipe, 733 Turning vane, 782, 800 Two-pipe system, 10, 517, 536,
563 \
u
Ultra-violet light. 113, 132, 135, 156
Underfeed stoker, 384-386 Underground pipe insulation,
722 Unheated space temperatures,
275
Unit, units air cleaners, 843, 855 air conditioners, 659 application, 666 cooling, 669 dehumidifying, 663
humidifying, 663 ratings, 666, 667 remote units, 660, 664 sound isolation, 663 _ types, 659 air coolers, 669 defrosting, 670 design, 669 performance, 669 ratings, 670 types of, 669 air filters, 843, 849 British thermal, 2 dehumidification, 663 direct-indirect heating, 3 fuel consumption, 465 heaters, 645 application, 647 automatic control, 650 boiler capacity, 653 capacity factors, 648 classification, 645 control, 650 direct-fired, 645 electric, 647 maintenance, 652 outlet velocity, 647 piping connections, 650 ratings, 647 temperatures, 648, 650 types of. 645 humidifiers, 874
Sipes of, 874 uctiou, 749-751 noise measurement, 1012 systems, 645 ventilators, 653 air exhaust vents, 658 applications, 657 capacity, 654 control, 657 location, 657 ratings, 654 selection, 657 window, 658 Unitary equipment, 645 definitions, 645 Up-feed system, 10
xxiii -v
V
Vacuum cooling units, 925 heating pumps, 544 oontrol, 545 piston displacement, 545 heating system, 10, 520 down-feed, 520 unit beater connection, 651
Valve, valves. 554, 685, 972 automatic, 972 check, 691 control, 554 expansion, 945 gate, 554, 688 globe, 688 reducing pressure, 541, 691 relief, 576, 691 thermostatic air, 516
Vane, vanes. 760, 77S, 782, 800 ratio. 10, 760 turning, 782, 800
Vaned outlets, 782 converging, 774 diverging, 775
Vapor, vapors, 152 adsorption, 862 barrier, 220, 225, 233 flammable, 157 heating systems, 10, 518 pressure, 7 transfer, 220 transmission, 220 unit beater connection, 651
Vaporizing off burner, 393
Velocity, 10 capture, 1118 coil, 900, 905 conveying, 1122-1125 duct, 806, 814, 1122 exhaust intalus, 784, 11221125 high velocity system, 814 hood, 1122 operating, 806, 838, 1118, 11221125 pressure, 7 reduction method, 807 return grilles, 784 unit heater, 647
Vena contracts, 84 Venetian blinds, 321
Ventilation. 10, 111, 290, 297, 325, 1183
animal shelters, 254-258 attic. 236 crawl spaces, 236 dairy stables, 255 garages, 258 Living space, 235, 290 natural, 247
general rules, 253 outdoor air, 111, 112, 297. 325
1183 passenger bus in summer, 1186 railway passenger car, 1181 rules, 253 ship, 1192 symbols for drawings, 17 systems, 685 tanks, 1128 walls and attics, 236 wind forces, 248
Ventilator, ventilators, 252 control, 253 roof, 252 unit, 653 control, 657, 987 window, 658
Vertical blow unit heater, 645
Vertical openings, 246 - sealing of, 240
Vibration, machine, 979