Document gVe6gY0jm8zMw9Zn2LQzYVe9

American Society of Heating and Ventilating Engineers Guide, 1937 4*.1- Alphabetical Index to-Technical Data Section Gas-fired appliances, 290, 513 automatic control of, 290, 513 boilers. 445. 456, 514 selection factors, 517 carbon monoxide produced by, 518 chimneys for, 479 classification, 513 control of, 514, 516 conversion burners, 516, 518 furnace requirements for, 428, 434 installation, 518 rate of gas consumption, 517, 529 ratings of, 517 types of space heaters, 515 used with unit heaters, 246 warm air furnaces, 514 Gaskets, 634 Glass, heat transmitted through, 127, 164 solar radiation through, 163 Glossary of terms, 787 Grates, 792 areas of. 182, 418, 436, 449, 454, 792 of furnaces, 182, 418, 436, 449, 454 of stokers, 497 Gravity, convectors, 533 heat emission of, 533 gravity-indirect heating systems, 542 specific, 3 steam heating systems, 545 one-pipe air-vent, 545, 548, 579, 591 two-pipe air-vent,- 549, 580, 591 warm air heating systems, design of, 411 Greenhouses, temperatures for, 737 Grille, grilles, 792, (see also Registers) anemometer readings through, 781 for concealed heaters, 540 recirculating. 415 of roof ventilators, 88 velocity through, 435 for warm air systems. 415, 431 H Hartford return connection, 548, 588 Health, effect of air pollution on, 296 Heat, 792 absorbed by building structure, 151 air infiltration equivalent of, 140 capacity, 162, 793 of leader pipes, 412 conduction, 789 consumption, 521 content, . of air and water vapor, 12 of dry air, 22 of gases', 753 of saturated water vapor, 23 convection,.789............. _............ conversion equations, 801 demand, factors governing..143 effects on human body, 58 electrical equivalents of, 725, 802 emission, of convectors, 533, 540 * by radiation, 708 of radiators, 533, 540 equivalent, equivalents, 802 of air infiltration, 140 of brake horsepower, 151 electrical, 725, 802 exchanger, 223. 224 shell and tube, 209 flow meter, 785 gain, ' from fixtures and machinery, 165 from outside air, 165 to be removed, 191 infiltration equivalent of, 140 latent, 31 loss, 76 of the liquid. 28, 793 Heat (continued) loss, from bare pipe, 669 computation of, 99, 152, 708, 723 determination of, 143, 150, 521, 705 effect of insulation on, 683 from human body, 76, 705, 707 by infiltration, 140, 521 latent, 76 from piping of gas-fired furnaces, 516 \ by radiation, 65, 705 sensible, 76, 707 to unheated rooms, 128 maximum probable demand, 143 - mechanical equivalent of, 794 produced by cattle, 96 produced by human body, 57 pump, 50, 722 radiation, 795 regulation in man, 57, 61 requirements, 522 sensible, 195, 795 of air, 12 loss, 76, 707 of water, 31 solar, 160 sources of, 705, 719 other than heating plant, 150, 203 specific, 31 total, 22, 797 , of saturated steam, 28 transfer, 99 coefficients, 100 transmission, 99, 705 . through air spaces, 101 through building materials, 101 calculations, 99 coefficients, 99, 106 of ceilings, 121 combined, 128 . of doors, 127 of floors, 121 of glass walls, 127 of insulation, 107 of roofs, 124 of skylights, 127 of walls, 114 of windows, 127,.163 convection equation, 705 definition of terms used, 100' effects of solar radiation on, 160 formulae, 101 . through glass, 126, 163 measurement of, 785 in surface coolers, 193 by surfaces not exposed to the sun, 159 - symbols used in formulae, 100 tables. 99, 107 ' time lag, 162. . utilization, 521 Heaters," for domestic hot water, 661" electric, 716 ' capacity of, 725 radiant, 515, 717 space, 515 . unit, 237. 718 wall, 514 . Heating (see also Heat) ' district, 299, 687 . effect of radiators, 536 i; electrical, 715 elements, electric, 716 fundamentals of, 1 load. 143 medium, 793 radiant, 705, 717 railway air conditioning, 401 by reversed refrigeration; 50, 722 surface, 447, 793 square foot of, 796 symbols, 804 , systems, district, 687 electrical, 715 XIV Heating (continued) systems fan, 169 gravity warm air furnace, 411 hot water, 601 mechanical warm air furnace, 427 radiant, 705 steam, 545 units, blow-through, 171 central fan, 643, 718 draw-through, 171 value, fuel oil, 752 water, 645 Henry and Dalton, law of, 643 Hoods, axial velocity formula, 387 canopy, 389 for chemical laboratories, 390 design of, 387 for exhaust'systems, 383 of furnaces, 429 open, 389 suction pressures at, 386 Horsepower, 793 boiler, 451, 470, 788 brake. heat equivalent of, 151 Hot box, 785 Hot plate, 785 Hot water heating systems, 601, 793 electric, 720 forced circulation, 603, 605 gravity circulation, 613 - installation of, 619 mechanical circulation, 603 . Hot water piping, 601. Hotels, stokers suitable for, 502 temperatures of, in winter, 144* water supply, 645 Humidification, 10, 217 atomization for, 222 effective temperatures for, 82 methods of, 257 relative humidities for, 82 for residences, 437, 538 systems of, 221 with water pans, 538 in winter,187, 538 Humidifier, humidifiers; 272 atomizing, 222 with fan systems, 180 higb-duty, 222 spray, 222 types of, 221 . Humidistat, 434, 793 Humidity, 8. 82, 793 absolute, 8, 787 control, 277 railway air conditioning, 405 for industrial processing, 734 measurement of, 782 optimum, 72 relative, 9. 82, 795, (see also Relative Humidity) A.S.H.V.E. standards, 81 in comfort zone. 68 effect on moisture regain, 729 relation to dew point, 9 specific, 8, 793 Hygroscopic materials, 728 moisture content, 727 processing of, 733 regain. 727. 728' I Ice, in air conditioning, 212, 258, 440 Inch of water, 793 Induction motor, 763, 764, 765 Industrial, air conditioning, 727 apparatus for, 221 classification of problems, 730 air pollution, 297 cooling systems, 198 drying. 326, 729 electrical heating systems, 722 exhaust systems, 383 heat sources, 150 plants, 727 processing of hygroscopic materials, 729 temperatures and humidities for, 734 unit heaters. 246 Infants, premature, 67, 69 . Infiltration, 788 average, 138 fuel utilization, 521 heat equivalent, 140 through shingles, 133 through walls, 132 . through windows, 134 Institutions, water supply to, 647 Instruments, 777 Insulation, 793 asbestos type, corrugated, 674, 675 laminated. 676, 677 of boilers. 461 bright metal foil, 104, 105 building, 724 characteristics of, 107, 673 effect on beat loss, 683 with electrical heating, 715 heat transmission through, 107, 673 for low temperatures, 673 of machinery, 337 magnesia type, 673 of piping, 669-' to prevent condensation, 151, 681 to prevent freezing, 679 . reflective type, 104, 105 rock wool type, 678 of sound, 341 tables, 107. 673 thickness needed, 682 underground, 683 of vibration, 337. Internal combustion engines, 226 Ionization of air, 79 Isobaric, 793 Isothermal, 7, 794 J-K joints, expansion, 585, 689 Kata thermometer,-782 L Latent heat, .31, 794 loss, 76 of water vapor, 12 Lead poisoning, 298 Leader pipes, 411 heat carrying capacity of, 412 size of, 412, 423 Leakage of air, 131, (see also Infiltration) Length of run, equivalent, 575 Libraries, air conditioning of, 736 Lignite, 484 Liquid, heat of the, 28, 793 Lithium chloride system of adsorption, 200 Load, cooling, 157 design, 451 heating. 143 hot water supply, 453 XV