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American Society of Heating and Ventilating Engineers Guide, 1934 Mean radiant temperature < Mechanical circulation, hot water Mechanical steam heating systems Mechanical stokers Mechanical ventilation Mechanical warm air systems Men working, comfort zone for Metabolic rate Metal ducts 255, 2 Meter condensation steam Metric units Micron Moisture content Moisture loss from human body . Motive power Motors 145,2 Multiblade fans N Natural gas Natural ventilation Nature's dust catcher Neutral zone NichoUs heat-flow meter Noise elimination, levels Nominal pipe sizes Non-heating periods Page 533 485 419 377 171, 291 305 32 41 286,310 528 523 . 600 592 47 21,41 235 289.307 225 375 57 216 592 576 . 242 308 244 490 400 Off-peak electric heating system Offset Oil atomization specifications Oil burners air for combustion boilers ' boiler settings . commercial domestic flame heating water supply ignition installation of - temperature control Oil fired boilers One-pipe hot water systems One-pipe steam heating systems ' Openings, for ventilation Operation of boilers ' Orifices Orsat apparatus Oscillating ventilator Outside temperatures average '* lowest Over-feed stokers Ozone Oxygen 541 494 383 374 383, 387 386 390 389 382 384 388384 387 198, 385 336, 386 471 419,424 59 343 432 574 61 106 108 108 378 39 577 Paint, effect of, on radiators 409 Panel heating system 535 Paper 48 Partial pressures 1 Performance curves for boiler selection 339 Perspiration 41,43 Physiological consideration of radiant heating 533 Pipe bends 494 capacity of 447 conduits 321 connections, steam systems. 420,457 copper 491 designation of 489 diameters . 490 dimensions 490 district heating 519 expansion and contraction 491 fittings 493 Pipe (continued) Page friction head 257 heat loss from insulation 503 506 leader radiating surface 319 504 sizes sweating 442, 550 514 tables i 446 tunnels 524 welding 501 wrought 492 Pipe coil connections 466 radiators . 507 Pipe sizes for domestic water requirements 547 Pipe sizes for hot water systems 472 Pipe sizes for steam heating systems 441,446 Piping expansion return steam symbols water supply - Piping connections boiler radiator Pitot tube Pollution, air abatement of effect on health industrial Portable fire box boilers . Power definition of for air washer for fan for refrigeration Pre-heater coils Pressure- 1 gage losses in ducts measurement .. partial Properties of air, water and steam Protective devices for oil burners Psychrometer, sling Psychrometric chfirt Pulverized fuel Pumps circulating - condensation vacuum Pyrometers v. y) 491 447,448 519 601 547 342,457 462 571 207 211 208 209 332 593 150 235 144 293 569 255 569 1 577 385 593 13 373 485 434 435 570,; 593 R Radiant heaters, electric Radiant heating methods of application physical and physiological considerations principles of calculation Radiator^ concealed connections to control of convection effect of paint gas-fired steam . heating effect heating up . output of panel 542 ; 535 533 536 . 407 462 189 414 409 409 407 411 408 593 temperature control tests . types of Radiation, load solar Ratings, boiler Ratings for gas appliances Rayons Recirculating ducts and grilles Recirculation Refrigerants Refrigeration for air conditioning 189 415 407 . 338 11 338 394 48 321 39,123 " *42. 1^7 Registers 311,321,593 612 Alphabetical Index to Technical Data Section Page Page Reheater coils 293 Specifications Relative humidity control of 200 definition of -2 for industrial'processing 51 Residences, air distribution in 273 Residences, humidification for 163,201,308 Residential stokers 37s Resistors 541 Return air ducts 321` Return header . 460 Returns to boiler to furnace 342,458, 460 323 Returns for underground distribution systems 521 Reversed return hot Water systems Ringelmann chart' 472 575 Risers downfeed 447 hot water 483 steam supply 593 water supply 550 Rock wool pipe insulation* 512' Roof ventilators 60,594 Roofs . v heat loss from 90 sun effect .116 Room thermostats 188 Rotating ventilators * 63 S . chimney construction Specific heat Split system 362 594 275, 291 Spray booths 285 Spray generation and distribution Spray washers Spray water 54 147 64,150 Stacks for natural ventilation warm air Standard pipe Standards and codes 58,62 320 489 34, 587, 604 Stationary ventilators Steam flow meters Steam, flow of, in pipes generation high.pressure 61 523 441 331 453 properties of 582 total heat in Steam heating systems 583 595 atmospheric 427 condensation pumps design features district downfeed 434 419 519 * 422,424, 426,429 electric flow of steam in pipes 544 441 gravity and mechanical return one-pipe system _ 419 419,424,449 operation and control orifice ( pipe sizes 189,419 432 447 Sash, infiltration through 395 piping connections Saturated air Saturated steam Scale, formation of 434* 579 583 345 Pumps 421. 426,462, 464, 466.468.469 sub-atmosphenc 43q School buildings, air distribution in 275 traps . " 437 Scrubbers Seamless pipe Selection factors for gas boilers Self-contained thermostats Sensations of warmth and comfort Sensible heat Service connections, district heating 147,215,219 489, 491 324,394 186 25 594 526 two-pipe system up-feed vacuum pumps vacuum system vapor system zoned Steam jet cooling system 423.424,450 420,423,424 435 . . 429 452 * 424 433 141 Setting heights for boilers Settling chambers Silica gel system Sizing piping systems. atmospheric . '. one-pipe hot water 390 214 134 Steam per square foot of heating surface 532 Steam pipe tables 443 445 Steam tables ' 533 Steel boilers 33J* 453 471 Steel pipe, expansion of Steel sash, infiltration through 491 495 *96 one-pipe steam orifice 449 453. Stoker-fired boilers, selection of -.Stokers, mechanical 334 377 return sub-atmospheric two-pipe hot water 448 453 471 Storage for hot water Sun effect on buildings Surface conductance 565 ng 595 two-pipe steam 450 Surface cooling 123 vapor 451 Symbols for heating and ventilating drawings 601 vacuum Sizes of pipe " 452 489 Symbols for transmission formulae Synthetic air chart 72 595 Skylights Sling psychrometer 59 573 T Small heating plants, control of Smoke and dust abatement Smoke breeching connections Smoke clouds Smoke density, measurement of Smokeless combustion Smoke recorders Soft coal Solar heat Solid fuels , air for combustion of calorific values * combustion of draft required hand-fired mechanical stokers pulverized types of Sound absorption, coefficients of Sound insulation * Space heaters, gas fired Spaces, unheated Specification for liquid fuel 196, 205 Tees, dimensions of 211 Tempering coils 343 Temperature 207 attic spaces ' 575 371 basements and unheated rooms control systems *575 dew-point 366 no dry- and wet-bulb inside outside 367 regulation 366 rise 370 usually specified 369 373 Temperature changes, effects of Temperature control 377 373 air conditioning systems central fan systems, 365 convectors 246 247,308 *392 92 cooling unitsheating plants industrial processes oil burners 374 thermostats 497 293 72 92 189 2 1 68 67 189 37 104 - 23 199 192 189 199 196 199 198 186 613