Document ev0OgM7XrnvZoLzzJ8rK0YXOE

Heating Ventilating Air Conditioning Guide 1953 ' Tables (continued) operating conditions, 842 / - operating hours, 956 / orifice capacities, 490, 527 ' outdoor air requirement, 113 outlet velocities, 734 outside temperature, 241, 267 owning and operating cost, 952 particle size, 153, 154 particulate matter, size, 153 permeability to vapor, 208 physiological response to heat, 117 pipe capacity, 376, 492, 496- 501, 524, 526, 1054 pipe covering factors, 624 pipe dimensions, 604-606 pipe expansion, 607 pipe fitting dimensions, OH- 618 pipe roughness, 73 pipe surface, 623 ' pipe volume, 537 pressure loss. ducts, 476 elbows, 523 fittings, 495, 523 refrigerant line, 838, 839 registers, 471, 472 return intake, 680 properties of air. 32, 344 dicnlorodifluoromethane, 811 fuel oil, 330 gaseous fuels, 336 moist air, 32 monochlorodifluoro- methane, 813 monofluorotrichloro- ` - methane, 814 steam, 49 ' water, 40 radiation, black body, 96 radiation factors, 95 ' radiation problem solution* 97 radiator neat loss correction factors, 544 radiator sizes, 540, 541 - rating air conditioning units, 597 rating steel boilers, 386 ratio of specific heats, 73 refrigerant properties, 811, 813, 814 refrigerant line capacity, 838, 839, 842 refrigeration equipment selec tion, 842 regain of hygroscopic mate rials, 972 requirements for fuel oil, 330 return pipe capacities, 498, 501 room temperature differential, 248 screen mesh, 154 shading effect, 297 sheet metal gages for ducts, 712, 993 ship design conditions, 1039 slime control, 937 slime formers, 929 smoke chart numbers, 1085 sodium dichromate, 940 soil conductivity, 176 sol-air temperature, 277 solar altitude, 273, 275 solar azimuth, 275 solar declination, 276 solar heater design, 1067 solar heat gain, 278 , 280-281, 289 solar radiation, 269,273 sound attenuation, 895, 896, .897, 899, 900 sound level, 891, 892 specific gravity factors, 377 specific neat of compressible fluids, 73 specific heat ratio, 73 spray pond design data, 767 , tables {continued) , Temperature(a) (cviUinucd) . . steady-state conduction prob-. thermodynamic wet-bulb', 26 lems, 101 * unheated spaces, 250 steam consumption of build- . " water main, 760 ings, 444 wet-bulb, 9 steam pipe capacities, 492,494- 501,496,500 Terminology, 1 steam table, 49 . .Test methods, 1069, 1089 , steel boiler ratings, 386, 387 summer climatic conditions, Testing codes, 1089 267 Therapy summer design conditions, cold, 143 264, 267 fever, 142 surface conductance, 93, 170 oxygen, 145 temperature differential, 248, 278, 280 Thermal . temperature, industrial air conductance, 167, 170, 180 conditioning, 960-970 conduction equation, 90 temperature, inside, 247, 264, conductivity, 90, 168 960-970 convection, 89, 91 1 emperature limit for men, 118 ' convection equation, 91 * temperature range, 266 expansion of pipe, 608 temperature, summer, 267 interchanges of body, 113 ' temperature, winter, 241 radiation equation, 92 thermal conduction problems; resistance, 8, 167, 170, 180 107,113 resistivity, 8, 170. 180 thermal conductivity, 91, 624 steady-state conduction prob thermal convection conduct lems, 101 ance, 93 transmittance, 253 thermodynamic properties unit conductances for convec moist air, 32 tion, 93 water, 40 Thermocouples, 1070 ' transmittance, glass, 286, 289 unit conditioner rating, 597 Thermodynamics, 23 unit fuel consumption, 442 air and water mixture, 23 unit heater ' capacity factors, laws, of, 9 _ 577 wet-bulb temperature, 26. unit ventilator capacities, 585 upper temperature limits, 118 Thermometers, 1069 vanes in elbows, 697 alcohol, 1069 velocity, return intake, 679 dry-bulb, 1069 ventilation standards, 271 globe. 547, 1084 warm air ducts, 452, 453, 455, Kata, 547, 1080 456, 463, 466, 467, 471, 472 mercurial, 1069 warm air fittings, 454 resistance, 1072 warming-up allowance, 391 stem correction, 1069 water analyses, 928, 929, 930, wet-bulb, 1081 1 945 watercooling effectiveness, 775 Thermostat, 9, 856 water fixture flow, 1046 room. 856 water main temperatures, 760 Time tag through walls and water meter performance, 1052 rqpfs, 298, 651 water pipe capacities, 524, 526 Ton of refrigeration, 8 water requirements, 1055,1056, Total heat, 5 1058 Total pressure, 7 . weight of air, 32 weights of ducts, 713-714 winter climatic conditions, 241 winter design temperatures, 241 Tower, towers, 707. cooling, design, 774 cooling, performance, 776 . mechanical draft, 769 natural draft, 767 Tank, tanks expansion, 534-538 selection, 779 spray cooling, 767 Tax, pipe, 391 Transmission Temperature, temperatures absolute, 9, 30 attic, 249 automatic control, 855, 862 basement, 251 control for railway passenger car, 1032 control service water, 1063 heat losses, 253 solar heat, 282, 285 Transmittance, thermal, 9 Transportation air conditioning, 1029 temperature and humidity control, 1032, 1033, 1035, 1042 design wet-bulb, 773 Trap, traps, 510 dew-point, 26 alternating receiver, 514 dry-bulb, 9 automatic return, 485, 514 drying, 960, 1016 bucket, 512 effective, 6 float, 510 ground, 250, 251 impulse, 513 hazard, 117 installation, 514 industrial, 960-970 steam, 510 inside, 247, 264, 1039 thermostatic, 511 ceilingB. high, 247 tilting, 513 proper level, 247 Traveling-grate stoker, 357, 159 mean radiant, 120, 558 Treatment of disease, 131 measurement, 1069 Tropical air cooling, 136 pyrometers, 1072 Tube radiator, 7 thermocouple, 1070 Tunnel dryer, 1022 thermometers, 1069. Tunnels, pipe, 641 'outside, 241, 267 Turning vane, 673; 677, 695/697 - surface, 403, 1072 Two-pipe system, 9, 482, 526 xxii' Warm air (conii .. mechanical heating systems (continued) dampers, 461 design procedure, 462, 463. ducts, 461. fans, 398 filters, 398 furnace, 397 Unit, units air cleaners, 739, 751 . air conditioners, 589 application, 596 , cooling, 599 dehumidifying, 594 humidifying, 593 ratings, 597 remote units, 594 Velocity, 10 capture, 982 coil, 593, 599, 793 conveying, 992 duct, 702, 992 exhaust intakes, 680, 992 hood, 981 operating, 702, 734, 992 pressure, 7 reduction method, 703 return grilles, 680 heavy duty, 398- i selection, 465 humidification, 403 > large systems, 463 perimeter system, 475 pressure drop, 476 registers and grilles, 460 standard combinations, 452, 462 panel heating, 475 radiators. 375 sound isolation, 593 ' unit heater, 573, 574 ' - types of, 589 . air coolers, 589, 599 defrosting, 600 design, 599 performance, 599 . ratings, 600 . types of, 589 air filters, 739 British thermal, 2 dehumidification, 594 direct-indirect heating, 3 fuel'consumption, 431 heaters, 573 application, 575 boiler capacity, 582 capacity factors, 577, 582 classification, 573 Ventilation, 10, 266 . animal shelters, 233-236 dairy stables, 233 " garages, 236 living space, 212 natural, 225 general rules, 231 passenger bus in summer, 1034 railway passenger car, 1029 rules, 231 ship, 1039 symbols for drawings, 17 systems, 647 walls and attics, 213 wind forces, 225 Washer, washers, 757 air, 1, 757 .cooling, 761 debumidification, 761' ^humidification, 759 Water analysis, 928 atmospheric cooling equip` ment, 757, 767 characteristics, 928 classification, 928 coils, 786, 1059 control temperature service, 1063 cooled control, 578, 862 condenser, 832 . direct-fired, 366, 573 electric, 576 maintenance, 581 outlet velocity, 575 piping connections, 579 ratings, 576 temperatures, 559, 560, 578 types of, 573 Ventilator, ventilators, 230 control, 231 roof, 230 unit, 582, 862 control, 862 window, 587 Vertical blow unit heater, 574 cooling tower, 764 corrosion treatment, 927 demand, 1045 faucets, 1046, 1051 fittings, loss, 1050, 1051 fixtures, 1046 fixture units, 1046 formed deposits, 927 humidifiers, 764 WtAf types, of, 764 Vertical openings, 224 coal-fired, 1058 induction, 654 sealing of, 224 solar, 1065 noise measurement, 887 Vibration, machine, 905 heating, 918,1058 systems, 573 Viscous filters, 741 load, 1055 ventilators, 582 ' automatic, 742 I air exhaust vents, 587 applications, 585 capacity, 585 impingement, 741 Vitiation of air. 111 Volume make-up, 780 maximum main temperature, 760 meters, 1050 control, 586, 855 ' control, 679 mineralized, 928 location, 586 furnace, 362, 369 properties of, 40 ratings, 583 specific, 10 services, 1045 selection, 586 storage capacity, 1055 . window, 587 supply piping, 1045, 1046, 1054,. Unitary equipment, 573 definitions, 573 W 1062 arrangement, 1063 Vacuum cooling units, 821 Wall, walls heat flow through, 186-190, 276 heat transfer coefficients, 89, 186-190 infiltration through, 218 time lag of solar radiation, 298 temperature control, 1063 thermodynamic properties of,' 40 treating chemicals, 901, 940, 943 well temperatures, 762 Water vapor, 25, 32, 40, 201 heating pumps, 508 condensation in buildings, 201 control, 509 piston displacement, 509 , heating system, 9, 479 > down-feed, 484, 486 unit heater connection, 579 Warm air gravity heating system, 449 combination carrying ca pacity, 455, 456 design procedure, 451, 455, saturation pressure, 25, 40 specific enthalpy, 4 specific volume, 10, 40 surface condensation, 202 Valve, valves, 518, 519, 599, 618 automatic, 619 check, 619 control, 519 expansion, 835 gate, 618 globe, 618 . reducing pressure, 504 relief, 538 457 extended plenum, 457 furnace capacity, 399 installation practioe, 449 standardized combinations, 452 mechanical heating systems, 459 air distribution, 459 automatic control, 403, 465 ceiling panel system, 475 Welding, 603, 615 Wet-bulb temperature (see Temperature), 9, 26, 773 Wet return, 8, 479 Wind, winds forces, 218, 225 due to stack effect, 218 combination of parts, 462 natural draft equipment, 767 Vane, vanes, 669, 67$, 697 cooling methods, 477 selection of, velocity, 240, 241, Vaned outlets, 669, 673 continuous circulation, 470 266 xxiii