Document M4BwVpKkMq6zZK0KjLqR2dQdz

[53 Heating Ventilating . Air; Conditioning Guide (1953 Ice systems, 825 Impulse trap, 510 Inch of water, 5 Induction units, 654 high pressure types, 655 low pressure types, 654 Industrial air conditioning, 959 conditioning and drying, 971 contaminant control, 976 control of chemical reac tions, 971 dilution systems, 976 Smeral requirements, 959 umidilies, 960-970, 972 laboratories, 974 machining tolerance, 974 moisture content and re gain, 970 polished surfaces, 974 process, 959 safety, 975 static electricity, 974 temperatures, 934, 960-970 exhaust systems, 981 Infiltration causes, 217 due to wind pressure, 217 heat losses, 254 latent, 256 sensible, 254 temperature differences, 223 through outside doors, 222 through walls, 218 through windows, 220 Inflammability, 162 Inside temperature, 240, 264 Instruments, 1069 Insulation, 6, 621 economical pipe thickness, 633 gravity furnace duct, 449 low temperature pipe, 630 pipe, 623 pipes to prevent freezing, 631 sound, 896 underground pipe, 635 Intermittently heated .build ings, 257 Isobaric, 6 Isothermal,'6 J Joints, duct, 710 K ' Kata thermometer, 547, 1080 L Laboratories, 974 Latent heat, 5, 254 loss, 255 Laws of thermodynamics, 9 Leaders, 449 Leakage of air, 217 door, 219, 221, 222 window, 219, 220, 299 Light heat gain, 302 Lignite, 320, 321 Lint, 740 Liquid absorbents, 850 heat of, 5 < Lithium bromide, 845 Lithium chloride, 845 Load cooling, 263, 651 design, 5, 263 factor. 448 heating, 239, 652 maximum, 6, 391, 447 refrigeration, 263 M Machine vibration, 905 Manometer, 6, 1073 .... Marine (see ship heating,' venti lating, air conditioning) Mass, 6 Mbh, 524 ' Mean radiant temperature, 119, 558, 561, 870 Meter, meters, 78, 643 area, 78, 85, 643 condensate, 643 differential, 644 flow, 78, 643 force, 78 head, 78, 83, 644 Nicholls' heat, 1084 orifice, 80, 644 selection, 645 velocity, 644 venturi, 1078 Metering, liquids, 78, 643 Micromanometers, 1074 Micron, 6 Mist, 152 Moist air, 25 properties of, 32 saturation, 29 specific volume, 32 Moisture, 201, 970 oontent, 970, 972 loss per person, 122, 302 permeability, 204 regain, 970 Mol, 6 Monofluorotrichloromethane, 809, 813 Motor, motors, 257, 398, 871 alternating current, 875 capacitor type, 878 classification, 874 control, 871 control equipment for, 882. 884 design limits, 872 electric, 871 enclosures, 885 glossary, 885 heat generated by, 257 hermetically enclosed, 880 multi-speed, 877 polyphase, 875 rating, 883 repulsion induction, 879 selection, 871 single phase, 878 speed characteristics, 876, 879 speed classification, 886 speed ranges, 872 split phase, 679 squirrel cage, 875 synchronous, 875, 882 wound rotor, 875, 882 N Natural draft, 409 towers, 768 Natural ventilation, 225 Noise, noises, 887 absorptive material, 896-901 air conditioning system, 888 air supply opening, 901 ' apparatus for measuring, 888 average in rooms, 892 control, 888 controlling vibration, 905 cross - transmission between rooms, 904 design room level, 891 duct sound absorbers, 896 duct system attenuation, 895 fans, 892 general problem, 888 xviii Nolse(s) (continued) intakes, 680 kinds of, 890 levels, 891 loudness, 892 measurement, 887 openings, 901 plate cells, 899 plenum absorption, 901 through building construc tion, 904 transmitted ahrough' ducts, 890 typical sound level, 891 unit of measurement, 887 Nozzle flow, 75, 78 Nurseries for premature In fants, 140 air conditioning equipment, 141 air conditioning requirements, 141 O~ Odors, 111, 113, 147, 156, 976 human body, 111 OU Fuel. 328 analysis, 329. calorific value, 331 classification of, 328, 331' combustion index, 334 combustion of, 332, 366 estimating consumption, 431 heating of, 371 piping, 371 storage, 371 Oil burners, 363 atomizing, 363, 370, 371 boiler settings, 369 classification, 363, 370 combustion adjustments, 367 combustion efficiency, 368 ' combustion process, 366 commercial, 370 controls, 370,858 domestic, 363 furnace design, 369 gun type, 363 industrial, 370 measurement of efficiency of ' combustion. 368 mechanical draft, 363 operating requirements, 366 rotary type, 364, 370 vaporizing type, 365 One-pipe system, 479, 526 gravity air-vent, 481 hot water, 526 steam, 6 supply riser, 6 unit heater connection, 579 vapor, 482 Opening, openings air supply noises, 901 stacks, 231 types of, 230 doors, 230 roof ventilators, 230 skylights, 230 vertical, 224 windows, 230 Operating rooms, 138 conditions, 139 reducing explosion hazard, 138 sterilization of air in, 140 Operative temperature, 869 Orifice discharge, 75, 490, 527 flow, 75 formulas, 77, 1077 beating systems, 488 Orsat apparatus, 1085 Outdoor air, 112, 647, 1030, 1035 Index to Technical Data Section Outlet, outlets air supply noises, 001 ceiling, 674 duct approaches, 677 . .. location, 460, 675, 680 performance, 671, 675 selection, 674 1 side outlets, 678 sound absorbers, 901 types, 673 wall outlets, 673 , Outside temperature, 241, 267 Overhead distribution, 641, 1063 Overhead system, 6, 641 Oxygen chambers, 142 tents, 142 / therapy, 145 Ozone, 113 . Panel heating, 551 application methods, 551 calculation principles, 554 ` convection transfer, 556 design of panel, 559-563 electric, 554 hot water, 551 imbedded piping, 552 installation, 563 output from surface, 552, 553, . 557 piping, 563 radiation transfer, 554 steam, 551 warm air, 475, 553 Panel radiator, 6 Particle size chart, 153 Perfect gas relationships, 27 Perforated ceilings, 674 Perforated outlets, 673, 674 Permeability, 204, 208 Permeance, 204, 206, 208 pH value, 932, 936 Physical impurities in air, 113 Physiological principles. 111 acclimatization, 118 comfort chart, 126 effective temperature, 122 high temperature hazards - 117 thermal interchanges, 113 upper limits of heat, 119 Pipe, coils, 542, 551 1 heat emission, 542 wall, 542 Pipe, piping, 603 capacity, 496-501, 523, 1045 coatings, 944 coil connections, 518 coil output, 542 cold water, 1045 commercial dimensions, 603 conduits for, 639 connection to heating units, 506, 518 corrosion, 938, 942 covering, 624-628 design, hot water system, 528 ' dimensions, 603 economical thickness insula tion, 633 expansion. 608 fittings, 610, 624 fitting equivalent, 495, 523, 1051, 1052 flexibility, 608 forced circulation, 528 hangers, 609 heat losses, 621 hot water heating systems, 528 inside dimensions, 604 insulation, 621 insulation prevent freezing, 631 low temperature insulation, 630 materials, 603, 942 Pipe, piping (continued) one-oine forced circulation, 53i . one-pipe gravity circulation, 531 - one-pipe vapor, 501 overhead distribution, 483, 641, 1063 . sizes, 489, 493 gas, 376 high pressure steam, 497. hot water forced circulation, 531, 533 hot water gravity circula tion, 531, 532 indirect heating units, 504 low pressure, 504 maximum velocity, 493, 528 one pipe riser, 496, 5p2 orifice systems, 489 pressure drop, 492, 493-501 sub-atmospheric systems,' 504 tables for, 493-501 two-pipe forced circulation, 533 two-pipe gravity circula tion, 532 two-pipe riser, 496 two-pipe vapor systems, 502 vacuum systems, 503 water supply systems, 1045 steam distribution, 479, 637, 641 steam heating systems, .493 supports, 609. surface, 623 symbols for drawings, 17 tax, 388-390 welding, 615 thread connections, 609 threads, 609 tunnels, 641 * underground insulation, 638 unit heater connections, 480, 520, 579 water supply, 1045 Pitot tubes, 84, 1075 Plate cell, 901 Plenum absorbers, 901 Plenum chamber, 6 Pneumatic control systems, 855 Pollution of air, 151 i Polyphase motors, 875 Ponds, 7j>5 Pontentiometer, 6 Power, 7 Precipitators, 743, 751 Pre-cooling, 656 Premature infant nurseries, 140 Pressure absolute, 7 atmospheric, 1 changes, 699 gages, 1073 loss, elbows, 453, 468, 495, 523, 694 loss, water supply piping, 1048-1054 measurement, 1073 barometer, 1074 # regulators, 504, 640, 856 static, 7 taps, 83 total, 7 vapor, 7 velocity, 7 Prime surface (see Heating Sur face), 9 Propeller fan, 721, 737 Protective ooatings, 942 Psychrometer, 7, 1081 Psychrometric chart, 51,124 Pump, pumps condensate return, 508 mechanical circulators, 522 vacuum heating, 508 controls, 509 piston displacement, 509 XIX Pyrometer, 7, 1072 optical, 1072' radiation, 1072 ' Radial flow fan, 721 Radiant drying, 1020 Radiant heating, (see Panel Heating) Radiation, 7 baseboard, 542 equation, 92 . load, 391 shape factor, 95, 555 Radiator, radiators, 7, 539, 541 baseboard, 542 codes, 541, 1089 concealed, 549 ' connections, 517 correction factor,' 546 direct,7 effect of paint,-546 , enclosed,. 549 gas-fired, 375 - heat emission of, 539 : heating, 548 heating effect, 546 output of, 540, 545 . panel, 6 ratings, 540, 544 recessed, 7, 549 tube, 540 types of, 540 warm air, 375 Railway air conditioning. 1029 air cleaning, 1030 air distribution, 1030 heating, 1029 humidity control, 1032 refrigeration, 1030 summer systems, 1030 temperature control, 1032 ventilation, 1031 winter systems, 1029 Reciprocating compressors, 829 Rectangular duct equivalents, 689 Reducing valves, 504, 640 Reflective insulation, 170, 180 Refrigerant, refrigerants, 8,< 809 ` dichlorodifluoromethane, 809, 811 feeds, 787, 788 monochlorodifluoromethane, 809, 813 monofluorotrichloromethane, 809, 814 pipe size, 838, 839 water, 821, 825 Refrigeration, 807, 1030, 1034, 1041 absorption system, 823 accessories, 840 air cycle, 821 ammonia, 838 basic concepts, 807 complex cycles, 820 compressors, 9-832 conaeusers (see Condensers), 832 control, 834, 836 coolers, 833 definitions, 807 discharge pressure, 818 equipment selection, 841 evaporators, 833 expansion valves, 835 float valves, 835 heat pump, 827 ice systems, 825 load, 263 mechanical, 807, 815, 1030,. 1034, 1041 piping, 837