Document Dv6qMmGY0K7aGb7zN6QXkxYKN

'Heatings Ventilating. Air Conditioning Guide 1946' Tnkex to Technical Data Section r Pipe, piping Ccontinued) steam distribution. 529 steam heating systems. .409 supports. 500 . symbols for drawing. 17 - tax. 345 . thread connections. 500. 503 threads. 500 tunnels. 532 underground insulation. 526. 531 unit heater connections. 485. 486 water supply. 887, 897. 898 Pitot tubes. 94, 206 ' Plate cell. 770 Plenum absorbers. 769 Plenum chamber, 6 Pneumatic control systems. 594 Pollution of air, 184 Polyphase motors, 614' Ponds, 652 Potentiometer, 6 Power. 6 ' Precipitators. 585 Pre-cooling, 804 Premature infant nurseries. 247 --Pressure. absolute, 6 atmospheric, 1 gages, 204 loss, water supply piping. 898 measurement, 203 barometer. 203 regulators, 435, 533 static. 7 taps, 87 total. 7 vapor. 7 velocity. 7 Prime surface (see Healing surface). 8 , Propeller fan, 567 Psychrometer, 7 ' Psychrometric chart, 228 Pump, pumps ' - condensation return, 437 -' mechanical circulators, 450 vacuum heating, 438, 439 controls, 440 piston displacement, 440 Pyrometer. 7. 203 optical. 203 radiation, 203 Q-R Radial flow fan, 567, 572 'Radiant drying, 548 Radiant heating, 551 application methods, 554 ' calculation principles, 563 ' control. 565 - detailed computation method, 556 r electric, 548 - hot water, 555, 562 '* mean radiant temperature, 551, 559 measurement of, 564 objective. 553 operative temperature. 551, 565 steam, 556 warm air, 555 Radiation, 7 angle factor. 103 equation, 103 * -load, 345 Radiator, radiators, 7, 468 codes, 471, 903 . " concealed. 470 - . - connections, 444, 445 correction factor. 472" -.-.direct,'7 :- effect of paint, 473 - Radiator, radiators (continued) enclosed, 475. gas-fired. 334 heat emission of. 468 heating effect, 473 heating up, 474 ' output of, 468 panel, 6 ratings, 468, 471 recessed. 7, 475 tube. 468 types of. 468 warm air, 334 Railway air conditioning, 867 air distribution, 867 humidity control, 870 summer systems, 869 temperature control, 870 ventilation, 867 winter systems, 869 Reciprocating compressors, 705 Recooling, 784, 800 Rectangular, duct equivalents, 741, 744 Reducing valves, 434, 435, 532 . Reflective insulation, 116, 123 Refrigerant, refrigerants, 7, 679, 681 ammonia. 684 carbon dioxide. 685 dichlorodifluoromethane, 681 feeds, 147, 148 . methyl chloride, 683 monochlorodifluoromethane. 682 monofluorotrichloromethane. 686 pipe sizes. 695 water, 686 ' * Refrigeration, 679 absorption systems, 700 - compression systems, 706 condensers (see Condensers). 707 control, 603 equipment selection. 713 expansion valves, 695. 710 ice systems, 702 . load, 295 mechanical. 679 reverse cycle, 547, 703 storage systems, 703 symbols for drawing, 17 ton of, 7 day of. 7 types of compressors (see Compressors). 704 Regain, 825, 828 control of, 825 * hygroscopic materials, 829 . Register, registers, (see Grilles). 391, 393,400,717 air supply noises. 773 -- mechanical furnace systems. 399 noises, 725, 734, 774 ' railway car, 868 selection. 390, 397, 399 Reheat, 800 Reheating, 798 Relative humidity, 5, 67 measurement of, 209 Repulsion induction motors, 619 Residence control systems, 598 air conditioning. 599 . coal-fired heating plant, 599 domestichot water supply, 599 cooling methods. 405 gravity furnace systems, 389 heat loss problems, 271 hot water heating system, 449 . mechanical.furnace system, 399 steam heating system, 409 Resistance thermometers, 202 . Resistors, 541 Return . grille, 391 - mains. 8 . , openings, 392, 400. 731 - Reverse cycle refrigeration, 547, 703 Reversed return system. 8, 450 " ' ' .. XX Roof, roofs - ; -he'at flow through, 279 -- time lag of solar radiation, 280 ventilators, 180 -Room air motion, 723 control, 595, 601 ' cross transmission, noise. 775 latent heat, 792, 793 - noise Jevel. 764 operating, 241___ sensible heat. 792, 793 Rotary diyer, 853 'Rotary oil burner. 327 Run-around system, 804 s - Saturated air, 1, 37 Saturation,. 8 degree of. 8, 37 - pressure, 6 Secondary air, 302, 303, 314 Sectional boiler, 339 Self-contained ` control systems, 593 _ : -humidifiers, 645 unit conditioner, 627 .'Sensible cooling, 804 Sensible heat, 792, 793 ' - factor, 792, 793 . gain, 288, 289. 290, 295 ,loss.'266 v.Sheet metal gages. 754, 755 . ' Ship air conditioning (see Marine). 875 . rheating, 877 .ventilation, 877 Shunt wound motors, 610 ' Silica gel, 664, 665 Silicon dioxide, 664 .Single phase motors, 619 " Slotted outlets, 726 ' -Smoke. 8, 185.< - 'abatement,-188 ", density measurements, 212 ' ? Smokeless arch, 8 -y Smokeless combustion, 188; 303 . /-Solar heat . ,,_' through shaded windows, 286 V. ' time .lag, 280 transmission of, 276 ' '. transmitted through glass, 282 .. transmitted through walls, 280 ^`' Solar radiation ,v\ absorption of, 189 against walls, 279 Solar water heater, 895 %SooV, 314 ` % '.Sorbents, 663 - absorbents, 666 - '.adsorbents, 663 _:Sound (see Noise) % - absorbers, 767 IV.* attenuation, 766, 767 .< S control, 761 cross transmission between-rooms, 775 general problem. 762 , duct absorbers, 767 levels, 764 - outlet absorbers, 770 '* ' Space heaters, 333 Specific enthalpy, 4, 24, 25, 68 -dry air, 25, 52 i- -/ water vapor, 25 --' gravity, 4 heat, 5 ' /gases,' 23 liquids, 23 ' -T -/solids, 23 Tg_.` 'vapors,-23 ..-volume, 10 air.25,26 y. < water vapor, 38 Split system, 8 Splitter dampers, 401 Spray booths, 842 cooling, 647 cooling ponds, 652 cooling towers, 653 distribution, 645 dryer, 853 equipment, 644 generation, 644 humidifiers, 645 type unit, 644 unit air conditioner, 628 Spread, air distribution, 721 Square foot of heating surface, 8 Squeeze dampers, 401 Squirrel-cage induction motor, 619 Stack, stacks, 181 height, 8 wall, 389 Standard, standards, 899 air distribution, 770 atmosphere, 70 State codes air conditioning, 899 -heating, 899 ventilating, 899 Standard air, 1 Static electricity elimination, 832 pressure, 7 control. 596 . Steady flow, energy equation. 68 enthalpy. 69 gravitational energy, 69 heat and shaft work. 69 kinetic energy, 68 Steam, 8 coils, 146 distribution piping, 529 ' estimating consumption, 384 flow, 411..435 heated equipment, 289 heating systems. 409 condensation return, 409 corrosion, 510 down-feed two-pipe vapor, 425 gravity one-pipe air-vent. 419 gravity return, 409. high pressure steam, 433 mechanical return, 409 one-pipe vapor, 423 orifice, 431 piping for.-409 sub-atmospheric, 429 two-pipe vapor, 424 vacuum, 427 jet type of compressor, 696, 714 panel heating, 551 pipe capacities, 412-417, 432 radiant heating, 551 requirements, 537 runout, 421 superheated, 8 traps, 440 ' Steel boilers, 340 Sterilization of.air, 242 Stoker, stokers, 317 classification of, 317 ' combustion adjustments, 323 combustion process, 319 controls, 325, 600 furnace design, 323 mechanical, 317 overfeed flat grate, 319 overfeed inclined grate, 319, 322 sizing and ratings, 324 underfeed, 318 rear cleaning, 319 side cleaning. 319 Storage refrigeration system, 703 - ^ -___ t____ '__ ______- <oo U