Document np2rJ6N1kQxVOEJNy5pyGzNX1

Heating Ventilation Air Conditioning Guide 1956 Tables (continued) draft in ohimneys, 435 draft requirements of applianoen, 436 duct attenuation. 949, 950- duct combinations, 458, 479 duct caces, 757 duct joints, 756 duct pressure drop; 489 duct sizing, 466, 467, 479, 480, 485; 486. 1044 duct velocity, 747 duct weight, 758 dust concentration, 155 elbow attenuation, 950 elbow equivalent, o09,537,740, 1112 electric beating systems, 966 electric water heaters, 975 emissivity factors, 95, 96, 170 end reflection, 954 environmental conditions, limits, 118 equivalent length of fittings, . <66, 467, 468, 509, 1112 equivalent temperature dif ferentials, 292,294 exhaust pipes for machines, 1044-1048 exhaust velocities, 1042, 1044- 1048 .expansion tank sizes, 550 fabric filters, 798 fan outlet velocity, 776 fan speed, 776 fitting allowance, 468, 482, 509 fitting dimensions, 633-643 - fixture flow, 1106 fixture units, 1106 flammability of gases and vapors, 162 flanged fittings surface, 655 flue gas dewpoint, 365 free convection, 94 friction loss, pipe. 389, 506, 510-515, 538, 540 friction valves and fittings, 509, 537, 1106 fuel combustion, 358 fuel consumption, 456, 457 fuel oil properties^ 342 fumes, concentration, 160 * gas analysis, 348 gas piping capacity, 389 . gaseous fuel properties, 348 glass absorptance, 300 glass transmittance, 300 graphical symbols, 17 heat absorbed, cooling water, 821 heat conductance, 93,101,170- 173,178, 179 heat equivalents, 270 . heat flow walls and roofs, 190- 193, 196-199, 292 heat gain appliances, 316 ooil heat emission, 566 glass, 301, 302 glass blocks, 305^307 - insulated oold pipes, 665 heat loa bare copper pipe, 654 bare steel pipe, 566, 654 . basement, 263 floor, 265 pipe coils, 566 radiation, 96 residence, 271, 273 room, 271, 581 heat pump, 866 heat transmission coefficients, 190 building construction, 190- 200, 292-296 doors, 200 glass, 200 roofs, 196-199, 296 walls, 190-193 water beaters, 1122 hot water demand. 1106, 1115, 1118 Tables (continued} hot water pipe sues, 538, 540 humidities, industrial air con ditioning, 1016-1026 hyjposoopic materials, 1028 incident angle, 287 inertial separator, 796 infiltration through outside doors, 232 infiltration through walls, 228 infiltration through windows, 230 inflammability, gases, 162 inside temperatures, 259, 279, 1016-1026 instantaneous solar beat gain, 301, 302, 304-307 insulation conductivity, 657 insulation factors, 661 insulation thickness, 667, 668 insulation to prevent freezing, 666 insulation, underground, 668 intake velocity, 726 iron elbow equivalents, 537 life of equipment! 1006 . limits for. contaminants, 163 load factors, 462 maintenance cost, 1011 maximum allowable concen trations dust, fumes, mists, 160 dusts, 160, 161 flammable gases, 158 gases, 158 vapors, 158 metal gages for ducts, 757,1053 meter performance, 1112 mtnlntnm outdoor air require ments to remove odors, 113 moisture content for ma terials, 1028 moisture regain, 1028. moisture transfer, 213 -motor classification, 926 motor current, 927 motor design limits, 924 motor drive applications, 931 motor horsepower, 924 motor ratings, 933. motor 8peed range, 924 motor starting methods, 934 motor torque, 931 motor voltage, 924 ' noise levels, 945,946 oil fuel specifications, 344 oil heat value, 344 operating cost, 1006,1009, 1010 operating hours, 1011 orifioe capacities, 504, 541 outdoor air re -uirement, 113 outlet velocities, 776` outside temperature, 251, 279, 451 owning and operating cost. particle size, 153,154 - particulate matter, size, 153 permeability to vapor, 213 . physiological response to heat, 117 . pipe capacity, 389, 508. 508510, 512-516, 638, 540, 878, 879 pipe covering factoiB, 661 pipe dimension, 624 pipe fittings, 630 dimensions.^633-642 pressure ratings,- 632 pipe freezing prevention, 666 pipe insulation, 657 pipe roughness, 73 pipe surface, 624 thermal stress, 645, 646, 648. pipe volume, 624 pressure loss ducts, 489elbows. 509, 537, 1112 fittings, 468, 482, 509, 537, refrigerant line, 878, 876 XXII Tables (continued) registers, 487, 488 return intake, 726 properties of air, 32 dichlorodifluoromethane, 851 fuel oil, 342 gaseous fuels, 348 moist air, 32# monochlorodifluoro- methane, 853 monofluorotrichloro- methaoe, 854 steam, 49 water, 40 radiation, black body, 98 radiation factors, 95, 569 radiation problem solution^ 97 radiator heat loss correction factors, 568 radiator sizes, 563, 564 rating air conditioning units, 617 , ^ rating steel boilers, 400 ratio of specific heats, 73 refr^want properties, 851,853, refrigerant line capacity, 878, 879 refrigeration equipment selec tion, 882 regain of hygroscopic ma- teriala, 1028 requirements for fuel oil, 342 return pine capacities, 507, 512 room temperature differential, 260 < screen mesh, 154 hHiny effect, 309 sheet metal gages for ducts, 757, 1053 ship design conditions, 1101 slime control, 993 slime formers, 983 smoke chart numbers, 1163 snowfall data, 585 snow melting systems, 587 sodium diebromate, 996 soil conductivity, 174 sol-air temperature, 290 solar altitude, 286, 288 solar azimuth, 288 solar declination, 288 ftnlar heater design; 1127 solar radiation, 286 sound attenuation, 947-951, sound level, 945, 946 sound pressures and intensi ties, 943 _ specific gravity factors, 390 specific heat of compressible fluids, 73 specific heat ratio, 73 spray pond design data, 813 steady-state conduction prob lems, 101 . steam consumption of build ings, 459 steam conversion factors, 667 steam pipe capacities, 506, 508-510, 612-515 steam table, 49 steel boiler ratings, 400. 401 summer climatic conditions, 279 summer design conditions, 276, 279 surface conductance, 93, 170 temperature differential, 260, 292,294,691 temperature, industrial air conditioning, 1016-1026 temperature, inside, 259, 275, *015-702*5 temperature limit for men, 118 temperature range, 278 temperature, summer, 279 temperature, winter, 251 ? Index to Technical Data Section Tables (continued) thermal conduction problems, 107.113 thermal conductivity, 91, 657 thermal convection conduct ance, 93 thermodynamic properties moist air, 32 water, 40 transmittance, glass, 300, 301 unit conditioner rating, 617 unit fuel consumption, 456 unit heater capacity factors, 598 __ unit ventilator capacities, 606 upper temperature limits, 118 vanes in elbows, 740 vapor transfer, 216 velocity? return intake, 726 ventilation standards, 285 warm air ducts, 466 warm air fittings, 468 water analyses, 982, 1003 water cooling effectiveness, 821 water fixture flow, 1106 water main temperatures, 806 water meter performance, 1112 water pipe capacities, 538/540 water requirements, 1115,1116, 1118 weight'of air, 32 weights of ducts, 758 wet collectors., 797 winter climatic conditions, 251 winter' design temperatures, 251 Tank, tanks expansion, 550 Tax, pipe, 403 Temperature, temperatures absolute, 9, 30 attic, 261 automatic control, 895, 907 basement, 263 control for railway passenger car, 1092 control service water, 1123 ' design wet-bulb, 276, 279, 619 dew-point, 26 dry-bulb, 9 drying, 1083 effective, 9. ground, 263, 264 hazard, 117 industrial, 1161 inside, 259,276, 1101 oeiliegs. high, 259 proper level, 259 mean radiant, 120, 578 measurement, 1145 pyrometers, 1149 thermocouple, 1146 thermometers,-1145 outside, 251, 279 scales, 9 surface, 202, 414, 1148 thermodynamic wet-bulb, 26 unheated spaoes, 263 water main, 806 wet-bulb, 9 Terminology, 1 Test methods, 1145, 1167 Testing codes, 1167 com, fever, 142 oxygen, 145 Thermal conductance, 167, 170, 171 conduction equation, 90 conductivity, 90,168 convection, 89, 91 convection equation, 91 expansion of pipe, 644 integrator, 1162 interchanges of body, 113 Thermal (continued) radiation equation, 92 resistance, 8, 167, 170 resistivity, 8, 170 steady-state conduction prob lems, 101 transmittance, 266 unit conductances for con vection, 93 Thermocouples, 1146 Thermodynamics. 23 air and water mixture, 25, 29, 32 laws. of. 9, 23 wet-bulb temperature, 26 Thermometers. 1145 alcohol, 1145 dry-bulb, 1155 globe, 1162 Kata, 1157 mercurial, 1145 resistance, 1148 stem correction, 1145 wet-bulb, 1158 Thermostat, 9,901 . room. 908 Time lag through walls and roofs, 311, 689 Ton of refrigeration, 8 Total heat, 5 Total pressure, 7 Tower, towers. 813 oooling, design, 820. cooling, performance,-822 mechanical draft, 815 natural draft, 813 selection, 825 spray cooling, 813 Transmission heat losses, 263-267 solar heat, 290, 297 Transmittance, thermal, 9 Transportation air conditioning, 1089 temperature and humidity control, 1092, 1093, 1095 Trap, traps. 524 alternating receiver, 528 automatic return, 499, 528 bucket, 526 float, 524,526 impulse, 527 installation, 528 steam, 524 thermostatic, 524 tilting, 527 . , Traveling-grate stoker, 369, 371 Treatment of disease,.131,137 Tropical air cooliog, 136 Tube radiator, 8 Tunnel dryer, 1082 Tunnels, pipe, 678 . Turning vane, 724, 740 Two-pipe system, 10, 498; 516,' 540 u Ultra-violet light, 113,132, 156 Underfeed stoker. 368-370 . Underground pipe insulation, 667 Unheated space temperatures, 263 Unit, units air cleaners, 781, 792 air conditioners, 609 application, 616 cooling, 619 dehumidifying, 613 humidifying, 613 ratings, 616, 617 remote units, 610, 614 xxiii' Unit, units (contiftiicd) sound isolation, 613 types, 609 - air ooolers, 619 defrosting, 620 design, 619 performance, 619 ratings, 620 types of, 619 air filters, 781, 787 .British thermal, 2 'dehumidification, 613 direct-indirect heating, 3 fuel consumption, 445 heaters, 595 application, 597 automatic oontrol, 600 boiler capacity, 603 capacity factors, 598 classification, 595 control, 600 direct-fired, 595 electric, 597 maintenance, 602 outlet velocity; 597 piping connections, 600 ratings,-597 temperatures, 598,,600 types of, 695 humidifiers, 810 types, of, 810 ' induction, 692, 693 noise measurement,-941 systems, 595 ventilators, 604 air exhaust vents, 603 applications, 606 capacity, 605 oontrol, 607 location, 607 - ratings, 604 selection, 607 > window, 608' Unitary equipment, 595 definitions, 595 V Vacuum cooling units, 861 beating numps,.522 . ' control, 523 piston displacement, 523 heating system, 10, 500 down-feed, 500 unit heater connection, 601 Valve, valves. 533, 635,902 automatic, 902 check,641 control, 533 expansion, 875 gate, 533, 638 globe, 638 . reducing pressure, 518, 641 relief, 552, 641 Vane, vanes. 70S, 715, 724. 740 Vaned outlets, 724 Vapor, vapors, 151 adsorption, 799 barrier, 203, 213, 221 heating systems, 10, 498 pressure, 7 transfer, 208 transmission, 208 unit heater connection, 601 Vaporizing oil burner, 377 Velocity, 10 capture, 1042 coil, 836, 841 oonveying, 1044-1048 duct, 747, 1044 exhaust intakes, 726, 1044-- 1048 hood,1044 operating, 747, 776, 1042, 10441048 pressure, 7 reduction method, 748