American Society of Heating and Ventilating Engineers Guide, 1932 to use the conductance (C) for the unit construction, in which case is replaced by ^r. ko Air Spaces and Surface Coefficients The following from Bulletin No. 102 of the Engineering Experiment Station of the University of Illinois, is pertinent: In making calculations for heat transmission coefficients of compound walls, an air space may be treated in either of the following ways: the air space may be regarded as a solid insulating material, through which the heat passes according to the so-called conductivity theory or considering the transfer by the three methods, radiation, con vection, and conduction, the radiation and convection action may be combined into a single surface coefficient and the true conductivity of the air neglected.

American Society of Heating and Ventilating Engineers Guide, 1932 probably be adopted in the average practice, but a 1000-gal tank with a heating capacity of 1000 gal per hour should suffice.

American Society of Heating arid Ventilating Engineers Guide, 1932 2.

American Society of Heating and Ventilating Engineers Guide, 1932 tables.

American Society of Heating and Ventilating Engineers Guide, 1932 tures, an electromotive force will be set up between these junctions.

American Society of Heating and Ventilating Engineers Guide, 1932 La Porte-- ..

Copyright, 1934 .

American Society of Heating and Ventilating Engineers Guide, 1934 Control of Unit Ventilators The unit ventilator presents a different control problem than the unit heater.

American Society of Heating and Ventilating Engineers Guide, 1934 of fan is practically obsolete for ventilation.

X American Society of Heating and Ventilating Engineers Guide, 1934 - chimney sizes based only on boiler horsepowers.

American Society of Heating and Ventilating Engineers Guide, 1934 Because of the lack of coincidence between the heating system load and the hot water demand, a greater amount of heat can be extracted from the condensation if storage capacity is provided for the preheated water.

American Society of Heating and Ventilating Engineers Guide, 1935 Apartment houses where high-class heating service is required.

American Society of Heating and Ventilating Engineers Guide, 1935 Page Reynolds Metals Co., Inc., 19 Rector St., New York, N.

American Society of Heating and Ventilating Engineers Guide, 1936 Stokers (continued), overfeed inclined grate, 486 heating boilers, setting heights, 493 types of, 436. 485 underfeed rear cleaning, 487 underfeed side cleaning, 486 Storage, of hot water, 644, 648 temperatures and humidities for, 718 Storm sash, 134 Sub-atmospheric systems, 545, 552, 559, 569, 577 Suction, static, in exhaust systems, 373 Summer, care of heating boilers, 447 comfort zone, 68, 69, 73 conditioning, apparatus for, 169 desirable indoor conditions in, 73, 75 temperatures, 158 wind velocities and directions, 158 Sun, diurnal movement of, 160 drying, 723 effect, 85 effect on heating requirements, 548 factor of cooling load, 164 Surface, cooling, 170 equipment^ 176 air conditioning, 170 ratings. 176 extended. gravity-indirect heating systems, 530 heating, 775, 777 square foot of, 780 radiant heating, 693 Swimming pool, 650 Symbols, for drawings, 787 for heat transmission formulae, 104 Synchronous motor, 751 Synthetic air chart, 780 T Tank, tanks, for domestic water supply, 636 expansion, 602 flush, 636 Tees, dimensions of. 617 Temperature, absolute, 771 adiabatic, drying, 727 of air leaving inlets, 173, 392 - ammonia, 206 apparatus sensitive to, 269, 762 atmospheric, 455 for bananas, 716 of barns, 99 base, for degree-day, 514 basic, 3 body. 58, 60. 690 changes, effect on human beings, 61 of chimney gases, 455 in cities, 148, 158, 512 of city water main, maximum, 180 commonly specified, 3 constant, drying, 727 control of, 269, 272, 499, 707 railway air conditioning, 263 of cooling water, 206 dew-point, 2, 282, 774 difference, between floor and ceiling, 146, 524 desired, determination of, 95 . in stacks and leaders, 93, 419 dry-bulb, 1, 2, 76. 774 as index of air distribution, 76 maximum design, 158 specified in winter, 144 Temperature {continued), effect on moisture regain, 713 effect on sound, 338 effective, 64, 75, 145, 179, 774 A.S.H.V.E. standards, 74 chart, 64, 65. 66 for maximum comfort, 69, 691 optimum, 69 scale. 63, 75 final. 390 of gas flame, 482 for greenhouses, 721 in industrial plants, 711 in industrial processing. 717, 718 inside, 73, 145, 392 surfaces, 692 low, insulation for, 656 of mean interior surface, 692 mean radiant. 689, 692 measurement of. 99. 269, 762 in occupied space, 73, 77 outside. 146, 158 radiation-convection, 695 range of cooling equipment. 207 records of cities, 148, 159 at registers, 419, 424, 531 room, 9. 511. 763 sensations, 62 surface, of man, 690 mean interior, 692 systems for control of, 272, 499, 707 thermo-equivalent conditions, 63 value used in calculations, 136, 392 water main, maximum, 180 wet-bulb, 2, 21, 767, 782 average, 207 design, 158, 207 as index of air distribution, 76 maximum, 207 Terminology, 771 Test methods, 761 Textile, textiles, fibres, regain of moisture, 711 weaving of, 715 temperatures and humidities for processing, 718 testing, standard atmosphere for, 715 Theaters, air distribution in, 348 cooling in, 348 heat sources in, 83 temperatures of. 73, 144 Therm. 780 Thermocouples, 762 Thermodynamics, 780 of air conditioning, 1 laws of, 777 Thermo-equivalent conditions, 63 Thermometer, duct, 763 globfe, 695 Kata, 766 mercurial, 762 recording, 764 resistance, 763 Thermopile, 763 Thermostat, thermostats, 781 differential. 9, 269 with gas-fired furnaces, 502 location of, 273, 278, 411 . with oil burners, 499 with radiant heaters, 707 types of, 93, 230, 269 s Tobacco smoke, 77 Ton of refrigeration, 43, 187, 781 Ton-day of refrigeration, 781 Towers, cooling, 190,195. 205, 208 atmospheric, 210 mechanical draft, 210 natural draft, 210 spray, 209 XX Alphabetical Index to Technical Data Section Traps, dust catchers, 294 return, automatic, 555 with steam heating systems, 540, 552 types of, 552 Tube.

American Society of Heating and Ventilating Engineers Guide, 1936 It should be noted that the figures in Table 2 are for the heating season only and include steam for heating domestic water.