Document RaL4Q49j0qZdVBpgkBE2qjEMX

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 'G H Gage, gages, draft. 674 pressure. 674, 840 ' Garage ventilation. 769 - ` Gas. gases. burner controls. 667 chimneys for heating. 195 classification of. 175 cleaning of, 576 centrifugal separators, 577 cloth filters, 577 cyclones. 577 gravitational settling chambers. 577 combustion of, 175 ' estimating consumption, 229 fuel burning rate chart, 224 * inflammability, 563 ` specific heat, 854 toxicity. 565 Gaseous fuelp, classification of, 175 combustion of, 175 flame temperature, 176 maximum carbon dioxide values, 163 products of combustion. 176 properties of, 176 - specific gravity, 176 , theoretical air requirements, 161 Gas-fired appliances, 213 . boilers. 213. 237 - combustion process. 216 controls, 217 conversion burners, 216 furnaces. 213 measurement of efficiency of combustion, 216 ratings for, 217 . sizing heating plants, 217 . space heaters, 215 Glass, coefficient of transmission, 111 solar heat transmitted, 146 Glass block walls, coefficients of transmission. 111 solar heat gain, 149 Globe thermometer, 65, 681,768 . ........... . Graphic symbols for drawing, 849 . duct work. 850, 851 heating. 852 piping, 849 refrigerating, 853 ventilating, 852 Grate area, 840 Gravity steam system, 267- ... Gravity furnace systems, 365, 840 capacity, 371 design procedure, 365 . - leader sizes, 366 proportioning wall stacks, 368 . recirculating ducts, 369 recirculating grilles, 369 register selections, 369. return connection. 371 typical design, 375 warm air, 365 Grille, grilles, 595 (see Registers) attenuation. 635 locations, 596 mechanical furnace systems, 383 noises, 603, 641 railway car, 710 . -J recirculating, 369 types of, 607 Guarded hot plate, 681 v Gun type oil burners, 207 , ` Hangers, pipe, 349 Hay fever symptoms, 705 Health, 564 Heat, 219, 840 area transmitting surface. 834 auxiliary sources. 133 combustion, 159 .duct losses. 771, 787 emission of appliances. 150 occupants. 149 extended surface, 839 flow through roofs, 145 flow through walls. 145 generated by motors, 151 gravity-indirect systems, 266 humid, 840 infiltration equivalent, 123 introduced by outside air, 150 latent, loss, 123 liquid. 840 control of, 800 loss from human body. 50 losses from bare pipe, 771 / measurement of, 681 mechanical equivalent of, 841 methods of transfer, 83 losses insulated pipe, 775 pipe losses. 771 production, rate of, 800 radiant transfer systems, 79 J` ' removal natural ventilation, 762 residence, loss problems, 135 sensible. 123. 842 transfer. 67, 83. 509, 519. 520 boiler rates. 240 overall coefficient of. 520 . through building materials, 681 surface coils. 509 utilization, 219 Heater, heaters, electric, 790 radiant. 215 space, 215 Heat gain, 139 appliances, 150 * components of, 139 electrical heating equipment, 152 ' gas burning equipment, 152 glass, 146 glass blocks, 149 latent. 141 light, 151 occupants, 149 outside air. 150 people. 149 , roof, 141 sensible, 141 steam heated equipment, 152 unit. 426 various sources, 152 waU, 141 Heating, air conditioning units; 426, 444 coil selection, 533 cycle control, 654 district. 325 - domestic water-by electricity, 795 effect, radiator, 257 electric. 789 ....hot wafer, 794 ~ "" boilers, 235 surface, 837 boiler surface, 239 load. 125, 402 panel, 808 performance of coils, 520 physiological objectives of, 61 XVI ALPHABETICAL INDEX TO TECHNICAL DATA SECTION Heating (continued) radiant, 799 (see Radiant heating) steam systems. 267, 285 surface, 239. 839, 840 prime, 842 square foot of. 842 swimming pool requirements, 836 .. symbols for drawing, 849 systems. 393. unit, 426 up the radiator, 259 ' vacuum systems, 843 vapor, 843 warm air, system, 365, 379, 844 water, 813, 830 Heavy duty fan furnace,-389 High duty humidifiers. 542 High pressure steam, 299 Hollow glass block walls, 111. 149 Hood, hoods, 731............ Hopper type stoker, 201 Horsepower, . . ............ boiler, 837 Hospital, hospitals, air conditioning in, 708 operating rooms. 697 air conditions. 699 reducing explosion hazard, 697 sterilization of air. 700 ventilation requirements, 700 Hot water, boiler supply load, 243 demand per fixture, 829 person, 828 electric heating, 794 ` panel heating. 802 radiant heating. 802 storage tank, 827 supply boilers, 238 supplying piping, 826 Hot water heating systems, 309, 840 direct return systems, 310 elbow equivalents, 316 friction.beads, 314 gravity pressure heads. 318 installation details, 324 mechanical circulators, 310 orifice friction heads. 320' pipe sizes, 310 reversed return systems, 310 . systems of piping. 309 Hot-wire anemometer, 65, 677 Human body, adaptation, 43 cold conditions, 47 hot conditions, 46 heat emission, 149, 800 heat gain, 149 odors, 38 surface area, 52 temperature, 43 zone of evaporative regulation; 46 Humid heat, 840 ` Humidification, 539 control. 655 mechanical furnace systems, 389 , residence requirements, 390 Humidifier, humidifiers, atomizing, 541 ; high duty, 542 spray, 542 units. 441 Humidify, 444, 840 unit, 426 Humidstat, 840 Humidity, 65, 840 absolute, 837 chan for drying work, 748 Humidity (continued) drying, 746 influence of. 63 measurement of, 680 nurseries for premature infants, 702 permissible relative. 113 ratio. 9, 840 - relative, 19. 842 Hydraulic radius, 77 Hygrostat, 840 __________________ i Ice systems, 502 Impulse trap, 284 Inch of water, 841 Induction drier, 742 units, 415 Impurities, 561 Industrial, air conditioning, 717 exhaust systems, 727 (see Exhaust systems) humidities for processing, 718 processes, 717 temperatures for processing, 718. Infiltration, heat equivalent, 123 nature of air, 115 through walls, 116 Inside temperature. 127 Instruments. 671 Insulation, boiler. 252 economical pipe thickness, 783 low temperature pipe, 779 pipes to prevent freezing, 781 Intermittently heated buildings, 133 Interstitial condensation, 113 Ionization, 41 r> Iron elbow equivalents, 316 l80baric. 841 Isothermal, 841 J-K-L . Kata-thermometer, 677 Latent heat, 841 loss. 51. 123 Laws of thermodynamics, 841 . Leakage of air, 115 Light heat gain, 151 Lignite. 168 Liquid. adsorbents. 466 heat of. 840 Lithium chloride, 467 Load, cooling, 32. 139, 400 design, 839 heating, 125, 402 maximum. 839 Loudness, 604 M Manometer, 841 Mass, 841 Mb. 841 Mbh, 841 Mean radiant temperature, 65, 806 xvn