Document RJNdZ1nn060wd3w88k8RXLjrz

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. Bourdon, 761 Pitot, 764 shell and tube heat exchanger, 193 Tubing, copper or brass, 618 Tuning fork, 327 Tunnel dryers, 729 Tunnels, for steam pipe, 675 Turbines, with unit heaters, 228 Two-pipe steam heating systems, gravity air-vent, 537, 566, 577 down-feed, 538 up-feed, 537 vapor, 539, 567 down-feed, 541 U Ultra-violet light, 80, 289 Underwriters' loop, 536, 574 Unit air conditioners, 217, 218, 237, 781 accessory apparatus, 218 advantages, 218 air distribution, 243 classification, 217, 238 cooling, 240 construction of apparatus, 244 costs, 252 design of. 244 filtering, 242 functions pf, 217 heating, 238 humidifying, 239 location of, 243 ratings of, 250 required capacity of, 251 types of, 238 uses of, 238 ventilation, 242 Unit conditioning systems, 217 {see Unit Air Con ditioners) Unit coolers, 218. 235, 781 design of, 235 ratings of, 237 Unit equipment. 218 advantages. 218 controls. 254 miscellaneous, 252 Unit heaters, 217, 218. 781 air temperatures, 222 blow-through type, capacity of, 224 boiler capacity, 226 control of, 273 design of, 219 direction of discharge, 223 draw-through type, capacity of, 225 electric. 227, 702 estimating heat losses, 221 heating medium, 221 industrial uses, 228 output of, 222 piping connections, 226 quietness, 226 ratings of, 222 types of, 219, 702 used in industry, 227 Unit ventilators, 217, 218. 228 y capacity of, 232 control of, 274 design of, 228 ratings of. 233 vents, 232 Unwin pressure drop formula, 672 A Up-feed piping systems, 534, 537, 539, 542, 782 Upward system of air distribution, 348 V Vacuum drying, 726 Vacuum pumps, 550 Vacuum refrigeration, 46, 189 Vacuum system of steam heating, 543, 550, 553, 568, 782 Valve, valves, 622 apparatus which operates, 271 on boilers, 445, 572 control, with steam heating systems, 571, 622 with high pressure steam, 569 operator, 271 pressure-reducing, 570 ratings of, 569 for radiators, 535, 539 roughing-in dimensions, 625 sub-atmospheric system, 545 on traps, 553 types of, 622 for water supply, 634 Vapor, 782 mixture with air, 10 pressure, 10 -steam heating systems, 538. 782 water, 3, 5, 9, 10, 22 weight of saturated, 10 Varying speed motor, 751 Vegetables, temperatures for greenhouses, 721 Velocity, 782 air, A.S.H.V.E. ventilation standards, 74 in ducts of buildings, 357, 367 in exhaust systems, 373, 380 through heating units, 390 measurement of, 764 through mechanical draft towers, 211 through openings, 98 sound effect of, 338, 367 for ventilation, 76 chimney gas, 457 draft loss. 463 contours, 375 in ducts, 764 of fans, 319 head, of fluids, 351 steam, through an orifice, 569 in underground pipes, 671 f water, in pipes, 592 wind, choosing, 136 measurement of, 98 on natural draft equipment, 210 in natural ventilation, 89 Vent, vents, in gas-fired steam or vapor systems. 506 on traps, 553 in unit ventilators, 232 Ventilation, 57, 782 {see also Air, Distribution) A.S.H.V.E. standards, 74, 790 of barns, 99 drying phase, 742 of garages, 100 mechanical, 79 with roof ventilators, 93 natural, 77, 138 advantages of, 79 air changes per hour, 138 control of, 93 disadvantages of, 79 general rules for, 97 heat to be removed by, 95 requirements for, 79 openings, doors, 91 formula to determine size of, 89 location of, 95