Document QJ585mGr1nJB9w2VQzr6BXD4R

HEATING VENTILATING AIR CONDITIONING GUIDE 1944 Exhaust systems (continued) rate of flow, 720 resistance of, 730 suction requirements, 719 types of fans, 731 velocity requirements, 733 Expansion of pipe, 328 tanks, 309 . valves, 478 Fan, fans, 373, 665 arrangement of drives, 576 attic, 429. 443 location, 444 types, 443 axial flow, 565 booster, 358 centrifugal, 565 characteristic curves, 568. control, 577 designations, 577 efficiency, 567 furnace system, 371, 379 motive power,-578 noise-generated, 575, 623 performance. 566 radial flow, 665 . selection of, 574 air conditioning systems, 575 industrial exhaust systems,'732 ~. speed, 675 . system characteristics, 572 volume control, 578 Festoon dryer,. 734 ' Fever therapy, 689 - - equipment for production of, 690 Film,conductance, .88 . . coefficient, 511 . Filter, filters, 373, 553 -air.conditioning units, 443 dry air, 558. ' dust,-729 ' performance, 559 testing. 559-.-. viscous automatic, 557 viscous impingement type, 556 Fittings, 323 ^ pipe allowance, 284, 307 ' types of,-331 , - - Flame, 167 : ~. . -- . Flexible mountings, 635 Float,trap, 277 Floors. .--> cooling unit, 441 'h^at transfer coefficients,'109, 110' unit heater, 414 Flow meters, 768 *. -Fluid'meters/768 - r" Force; 816 - **-'; /Forded- - - ' ' air baring system,.371, 376 ''circulatibnpipe sizes,' 305 convection/72 ' Free-- - /.' ^-convection; 72 .. enthalpy, 816 Fuel, fuels, 165 - burningequipment.201 classification, 173, 175,479, 181 -- consumption, 223. 231,-233 . . load factors, *235 - maximum', demands, 235 . I yaannal efficiency,;236 unit consumptions,'230, 232 Fueloil :.v; V'" > ' carbon residue,180 classification of,-179/ /combustion of,T79-.?- gradeof, 180- - Fuel oil (continued) TT^qrimnm carbon dioxide values, 171 theoretical air requirements, 169 viscosity, 180 Fumes, 545, 816 Fundamentals heat transfer, 71 Furnace, furnaces, 358, 371, 816 capacity. 365 - casings, 372 design, 208, 215 fan, 379, 816 gas-fired units, 216 ' gravity systems, 358 . mechanical warm air systems. 371 cooling methods, 380 cooling system, 381 dampers, 375 ducts, 375 fans, 373, 378, 379 filters, 373 method of designing, 376 motors, 373 . oil-fired units, 213' stoker-fired units, 202 volume, 179, 816 G Gage, gages draft, 657 ' . pressure,'.657, 816 ... Garage ventilation* 759 Gas, gases burner. controls,. 646 chimneys for heating, 197 classification of. 181 combustion of, 182 . estimating consumption; 231 specific heat, 831.- Gaseous fuels * classification of; 181 . combustion of, 182 flame temperature, 182 . maximrim mrhon dioxide values, 171, 182 - , products of combustion, 182- properties of,. 182 - specific-gravity, 182 theoretical air-requirements, 169,182 Gas-fired appliances, 216 ` boilers, 217, 239' combustion process, 218 controls, 646*' r *. conversion burners, 217 .. ' . furnaces,'217- - - ...K.-'- . measurement of efficiency of combustion, 219 , ..ratings for, 219 . ~' sizing heating plants, 220 . ' space heaters, 217 Glass _./ -. - coefficient of transmission, 115 solar, heat transmitted, 153 - Glass'block walls. coefficient of transmission,-115 . -solar heat gain,-156 ' .Globe'thermometer, 69, 258, 663 Graphical `symbolsfor drawing, 826 duct'work, 827, 828 . heating, 829 * piping,.826 refrigerating, 830 ventilating,. 829 - Grate area, 816 Gravity- - circulation pipe sizes, 305 - . ; furnace systems^'358,816 . capacity/365- - . - design procedure;'362, 364 typical design;.359, 364 - warm-air; 358;. 816:- / stealn'system, 261. -. INDEX TO TECHNICAL DATA SECTION Grille, grilles, 579, 580. 590 (see Registers) air supply noises, 637 attenuation, 631, 632 exhaust. 590 locations, 591 door, 591 floor, 591. wall, 591 Tporhanical furnace systems, 371 noises, 591 railway car, 698 recirculating, 360 return, 590 selection, 632 velocity, 590 Ground temperatures, 135 Guarded hot plate, 663 Gun type oil burners, 210 . H Hangers, pipe, 330 Hay fever symptoms, 692 Health, 548 Heat, 816 * area transmitting surface, 807 ' auxiliary sources, 139 combustion, 167 emission of * appliances, 157 occupants. 52, 157 ' * exchange measurement, 663 . extended surface, 815 flow resistance, 80 flow through roofs, 152 flow through walls, 153 generated by motors,' 158 humid, 816. infiltration equivalent, 126 - introduced by outside air, 157 latent, 127,394,817 'liquid, 816 ' mechanical equivalent of, 817 - methods of, transfer, 71, 87 .production, rate of, 786 \ removal, natural ventilation, 752 'sensible,' 126, 394, 818 - factor, 394 . transfer, 71, 493/503, 504' boiler rates, 241' . . over-all coefficients, 88, 504 / 'surface coils; 493, 504 . ,, ' - . symbols, 87 *". through building materials. 87, 663 Heat gain,. 146 appliances, 157 . components of, 146 - :. electrical heating equipment, 259 v gas burning equipment. 159 .. .glass, 153- - glass blocks. 156 - / latent, .148; 163 . light,-.159 occupants, 157 * outside air, 157. ' ' / people, 157 / roof, 148 1 .'sensible, 148 -- ; steam' heated equipment, 159 various-sources, 159 ''wall, .148- feat loss bare pipe, 344 . basement/ 105 -' control of, 786 . duct, 614 - infiltration, 126 ^insulated pipe,347 ;.latent, 127/394 .-pipe, 344 *. ,, - residence problems, 140 - sensible, 126, 394, 818. ' thmiiffh rpilinm nnrt nvif#. 187 Heater, heaters direct-fired unit, 422 electric. 776 solar water, 810 unit, 414 vertical blow unit, 416 Heating air conditioning units. 430 boilers, 237 surface. 240, 816 coil selection, 517 district, 761 domestic water by electricity, 781 effect, radiator, 56 electric, 775 hot water, 780 load. 35, 125, 392. 588 performance of coils, 504 physiological objectives of, 65 radiant,' 785 (see Radiant Heating) State codes, 832 steam systems, 261 surface, 816 prime. 816 square foot of, 818. symbols for drawing, 826 systems, 383 up the radiator, 258 vacuum systems, 268, 820 vapor, 265; 266, 267. 820 warm air, system, 358. 371, 820 water, 801 Heavy duty fan furnace, 379 High duty humidifiers, 526 Hood, hoods, 718 Horsepower, boiler, 813 Hospital, hospitals air conditioning in. 695 operating rooms, 683 air conditions, 685 reducing explosion hazard, 683 sterilization of air, 686 ventilation requirements, 686 Hot water boiler supply load, 243, 802 ' demand per fixture, 803 . person, 804 electric heating, 781 methods of heating, 805 heating surface, 807 panel heating, 788 radiant heating, 788 solar heaters, 811 storage tank, 802 supply . boilers, 240, 805 piping, 801 temperature control, 809 Hot water heating systems, 303; 816 direct return system, 304, 322 elbow equivalents. 307 expansion-tank, 310/313 forced circulation. 304, 314 friction heads, 308 gravity, 314 circulation, 317 pressure heads, 309 installation details, 312 mechanical circulators, 304, 314 one-pipe forced circulation. 320 gravity circulation, 319 orifice fnctionheads, 311 pipe sizes, 305. forced circulation, 305 gravity circulation, 305pressure head; 309 reversed return system, 304, 321 systems of piping, 303 two-pipe ' forced,. 317- gravity, 315