Document VG83Dp6v2BZKBYJkZmk200Xp4

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Flow meters, 339 Fluid meters, 338 Force, 846 Forced air heating system, 388 circulation pipe sizes, 313 convection, 72 Free convection, 72 enthalpy. 846 Fuel, fuels. 165 burning equipment, 205 consumption, 227 load factors, 239 maximum demands. 239 seasonal efficiency, 240 unit consumptions, 234, Fuel oil . carbon residue. 182 classification of, 181 combustion of, 181 grade of, 182 ' maximum carbon dioxide values. 171 theoretical air requirements, 169 viscosity, 182 Fumes, 555. 846 Fundamentals heat transfer, 71 Furnace, furnaces, 383, 846 capacity, 376 casings, 384 design. 214 fan, 846 , gas-fired units, 221 ' gravity systems. 369 mechanical warm air systems, 383 cooling methods. 393 cooling system. 394 dampers, 386 ducts. 387 fans. 385. 391 filters. 385 method of designing, 388 . motors, 385 oil-fired units, 217 stoker-fired units, 209 volume, 180, 846 G Gage, gages draft. 672 pressure. 672, 846 Garage ventilation. 773 Gas, gases 'burner controls, 665 chimneys for heating, 203' - classification of, 183 ' * combustion of, 183 , estimating consumption, 235' specific heat, 861 Gaseous fuels . classification of, 183 combustion of, 183 flame temperature, 184 maximum carbon dioxide values, 171 products of combustion, 184 properties of, 184. specific gravity, 184 theoretical air requirements, 169 ._ ' _. Gas-fired appliances, 221 boilers. 221, 243 combustion process, 224 controls, 225 conversion burners, 224 - furnaces, 221 measurement of efficiency of combustion, 224 ratings for, 225 , - sizing heating plants, 225 ' space heaters, 223- Glass coefficient of transmission, 115 solar heat transmitted. 154 . Glass block walls coefficient of transmission, 115 solar heat gain, 157 Globe thermometer, 69. 679 Graphical symbols for drawing, 856 duct work, 857, 858 ' heating. 859 piping, 856 refrigerating, 860 ventilating, 859 Grate area, 846 Gravity . circulation pipe sizes, 313` furnace systems. 369, 846 capacity, 375 design procedure, 369 typical design. 379 warm air, 369 steam system, 269 Grille, grilles, 589, 600, 590 (see Registers) air supply noises. 637 attenuation. 631, 632 exhaust. 600 locations. 601 door. 601 floor, 601 wall, 601 mechanical furnace systems, 385 noises. 601 railway car, 712 recirculating, 373 return; 600 selection. 638 Ground temperatures, 136 .Guarded hot plate, 679 / Gun type oil burners, 216 H Hangers, pipe, 353 Hay fever symptoms, 707 Health, 558 > Heat, 846 area transmitting surface, 838 auxiliary sources. 139 combustion, 167 emission of appliances. 158 occupants. 52, 158 < exchange measurement, 679 extended surface, 845 flow resistance. 80 flow through roofs, 153 flow through walls, 154 ', generated by motors, 159 humid, 846 ' infiltration equivalent! 128 introduced by outside air, 158 latent, 129, 406 liquid, 846 mechanical equivalent of, 847 methods of, transfer, 87 production, fate of, 804 removal, natural ventilation, 766 sensible. 128. .406, 846 factor, 406 transfer, 71. 503, 513, 514 - boiler rates; 246 over-all coefficients, 88, 514 surface coils, 503 symbols. 87 \^ through building materials. 87, 679-' Heat gain, 147 appliances, 158 components of. 147 -ALPHABETICAL INDEX TO TECHNICAL DATA SECTION . Heat gain (continued) electrical heating equipment, 160 gas burning equipment, 160 glass. 154 glass blocks, 157 latent, 149, 164 light. 159 occupants, 158 outside air, 158 -people, 158 roof, 149 ' sensible. 149, 164 steam heated equipment, 160 various sources, 160 wall, 149 Heat loss bare pipe, 775 basement. 116, 137 control of, 804. duct, 775, 791 infiltration, 128 insulated pipe, 779 latent, 129 pipe, 775 residence problems. 141 sensible. 128 .. through ceilings and roofs, 138 transmission. 127 Heater, heaters direct-fired unit, 434 electric, 794 _ solar water, 840 unit, 426 vertical blow unit,'428 Heating ." . air conditioning units, 442 boilers, 241. surface, 245, 843 coil selection, 527 cycle control, 652 ' district. 329 domestic water by electricity, 799 effect, radiator, 265 electric. 793 hot water, 798 load, 35, 127, 402, 598, . . performance of coils, 514 physiological objectives'^, 65 radiant, 803 (see Radiant Heating) state codes, 862 steam systems, 269 surface, 845 prime. 848 square foot of. 848 symbols for drawing, 859 systems, 395 up the radiator, 268 vacuum systems,- 849 vapor, 849" warm air, system, 365, '383, 850 water, 819, 835 Heavy duty fan furnace, 391 - High duty humidifiers. 536 Hood, hoods, 732 Horsepower, boiler. 843 Hospital, hospitals . air conditioning.!!!. 710 operating rooms, 699 air conditions,.701 . `r ' reducing explosion hazard, 699 sterilization of air, 702 ventilation requirements, 702 'Hot water boiler supply load, 249 demand per fixture, 835 person, 834 - electric heating, 799 panel heating, 807, 808 radiant heating, 807 storage tank, 833 supply boilers, 244 .^ piping, 831 ^ . ' Hot water heating systems, 311. 846 direct return system, 312, 327- elbow equivalents, 317 forced circulation. 321 friction heads, 314 gravity circulation, 324 pressure heads, 315 installation details. 319 mechanical circulators, 312 one-pipe forced circulation**- 326 gravity circulation, 324 orifice friction heads, 318. pipe sizes. 313 . forced circulation, 313 gravity circulation, 313. reversed return system, 312, 327 systems of piping, 311 two-pipe- i forced, 323 gravity, 322 Hot-wire anemometer. 67, 675 - Human body adaptation. 47 cold conditions, 51 hot conditions, 50 heat emission, 158 odors, 42 temperature, 47 zone of evaporative regulation, 50' Humid heat. 846 Humidification, 533 control, 653 mechanical furnace systems, 392 - residence requirements, 394 Humidifier, humidifiers atomizing,.535 high duty. 536 spray, 532 units, 440 Humidify, 846 air conditioning units, 442 Humidistat, 846 Humidity, 846 absolute, 843 drying, 753. 754 influence of. 67 measurement of, 676 nurseries for premature infants. 704 permissible relative, 116 ratio, 846 . relative. 19, 848 Hydraulic radius, 84 Hygrostat, 846 I Ice systems, 497. Impulse trap. 286 Inch of water, 847 Induction dryer, 746 Induction units, 415 high pressure types, 416 low pressure types, 415 . _ ' -Industrial air conditioning, 719 exhaust systems, 731 (see Exhaust systems) humidities, 720 -* processes, 721 temperatures, 720 > Infiltration -causes, 119 due to wind pressure, 119 heat equivalent, 128 heat losses, 128 latent, 129 sensible, 128 ' .-