Document kKadDB398dy3Q9beOg7e0e7V

1935of andAmerican Society- Heating Ventilating Engineers Guide, Convectors (continued), Page agt . heating capacity. ' 498 Domestic supply, performance characteristics. 497 hot water, 468,617. 671' Conversion equations. 699 water. 59ST Coolers, surface. Doors, 162 air leakage through, ,,122 types of, 177 coefficients of transmission of. 113 ' unit. 234, 695 natural ventilation through, 80 Cooling, with central fan heating systems, effective temperatures for. 14,19 379 50 Down-feed piping systems. 506,508, 510, 513 Downward system of air distribution. 321 Draft, 423 equipment, design of. evaporative. of fluids. of human body, load; -------- - - - -- 188 72,155, 165, 184 189 35 145.214 available. back, diverter. calculations. capacity. gage; ......................... 425.432 439 423 425 676 with mechanical warm air systems, 387 methods, 155, 165,202 head, intensity required. 688 434,447 ponds, relative humidities for, 190 losses, 50 in chimneys, 432 436 towers. 174,179,187,190 through fuel bed, 433 water. Copper pipe. Corrosion, of boilers. of industrial exhaust systems, inhibitors. of pipe, tester. Costs, comparative, of fuels, of district heating service, of electrical heating, of unit conditioners. Crack, window, Cyclone dust collector, 188 mechanical. 580 natural. theoretical. 425 423 425 419 356 597 595 596 towers. 192 Drain connections, 416 Draw-through heating units. 361 Drawings, symbols for, 701 Dripping of steam pipes, 555 Dry-bulb temperature, (see Temperature, Dry-bulb) 488 652 673 215 ,Dry return, Drying. of lumber, Duct, ducts. , 688 67 (see also Regain) 71 122 air, 325 354 design of,.' 325. 330 equal friction method, 331, 333 velocity method, 331 for air distribution. 317 Dalton, law of partial pressures. 1 air velocities in, circular equivalents, 353 333 Damper, dampers,' construction details, 3421 apparatus which operates. 242,244,246 design of duct systems, - 330, 340, 380, 393 control, 80 humidity measurement in. 681 in duct systems. 381 noise transmission through, * 311 types of. with unit ventilators. .381 pressure loss in, 228 for recirculated air, 326 393 Decibel, 299,687 sheet metal for,' 352 Definitions, 685 sizes of, 329, 333, 347 Degree-day, industrial. 687 485 method of estimating fuel consumption, records for cities. 483 484 Dehumidification, 14.183 effective temperatures for. methods of, relative humidities for, 50 155,166. 202 50 temperature loss in, temperature measurement in, V velocity measurement in..__ ' Dust, V .* ------ - catching devices, collectors, * concentration in air, counter, , disposal of, - Dehumidifier, dehumidifiers, 166,688 industrial exhaust systems, 365,391 677 678 49.259,688 . 265 354 271,681 681 267 345 alumina, 169 measurement of. 681 in central air conditioning systems, 156 Dynamic equilibrium. Carrier's equation for, 2 in industrial (air conditioning, 72 silica gel. 168 types of, 74 Density, of air, of saturated vapor. specific, of water. 2,688 6 10 3 26 Design temperature. dry-bulb. 147 wet-bulb, 147,189 Dew point. 688 relation to relative humidity. 9 temperature, 2,251 Diameter, circular - equivalents of rectangular ' ducts. 334 Dichlorodifluoromethane, 175,188 Diesel engine. 190' Dirt pockets, 555 Disc fans, test code for, 284 .Distribution of air, 317 (see also Air, Distribution> District heating, 639 Diverter, back draft, 439 EDR, equivalent direct radiation, Effective temperature, (see Temperature, Effective) Elbow, elbows, design of, equivalents, loss of pressure in, . resistance in, sheet metal used in, welding of. Electric, electrical, central fan heating systems, current, as corrosion agent, heat equivalents, heaters, capacity of, heating, auxiliary, of hot water, heating elements, with unit heaters, lamp bulbs, heat from. 380, 590 563 326 354 352 591 595 673, 700 673 667 672 671 205, 667, 669 225 130 712 Alphabetical Index to Technical Data Section Page Eliminator plates and baffles, Emissivity, Enclosures, concealed heaters. convectors, effect of, unit air conditioners. Engines. Diesel, internal combustion, Enthalpy. Entropy. Equations, conversion, Equilibrium,----- -- -1 dynamic, hygroscopic, Equipment room, design'of, Equivalent, equivalents. circular, direct radiation, elbow. evaporation, heat. -- -- 183,187 660 497 497 495 210 190 189 18. 689 23. 689 699 2 70 307 333 < 138, 559, 694 563 411, 689 699 Fatigue, human, 37 Filter, filters, 212,267 automatic, 275 cloth, 354 design of, 212, 274 dry air, 276 installation of, 277 resistance of, 379 for sound, 311 unit type, 274 viscous type, 274 Fire walls. 352 Fittings,_ _ 579-(see-olso-Connections;~Pipe)- areas of, 587 flanged, 589 lift. 514 screwed, 587 welding, 592. 594 Flame, with oil burners, 464,469 Flanges, welding neck, 592, 594 Floors, heat transmission through, 107 Flowers, temperatures for greenhouses. 72 of air infiltration, . 128 Fluid, fluids, of brake horsepower, electrical,' mechanical, length of run. 138 673, 700 692 351 c6oling of, formula for flow of. meters, Foodstuffs, 189 325 648 square feet. Ethylene gas, in ripening bananas, Eupatheoscope, 492 71 663,672, 683 Evaporation, . equivalent, from human body, rate of. from water pans, Evaporative cooling. Evaporators, Exfiltration, 26, 28, 72,193 411.689 35, 59 26 496 72,155.165,184 211 119,363,479 regain of moisture of, temperatures and humidities for processing, Force, Forge shops, heat given off in. Formulae, conversion. 66 68 ` 689 83 Foundries, heat given off in, Freezing, of cooling water, insulation against. Friction, 193 631 Exhaust systems. industrial. Expansion, 345 346. 351 in chimneys, coefficients, heads in pipes, 428 329 562 of joints, of pipe. 542. 641 542, 581,641 in heating units, losses in ducts, 362 327, 329, 333 in steam piping. 541 in water pipes. 606 tanks. Exposure factors. F 574 Fuel, fuels. 443 (see also Anthracite; Coal; Coke; 135 . . . , , Gas; Lignite; Oil) bed, draft loss through, 433 burning equipment, automatic, 457 Fan, fans, as accessory apparatus. A.S.H.V.E. test code for. attic. booster, equipment, brake horsepower. control of. for cooling, designation of. 281 198,669 284 233,380 156,402 187 291 380 291 comparative heating costs. requirements, degree-day method, method of approximation, . saving during non-heating periods, utilization of, F4*nes, industrial exhaust systems, toxicity of. - 488 479 483 485 481 479 259,689 345 263 drives, arrangement of, 292 Fundamentals of heating and air conditioning, 1 dynamic efficiency of, efficiency of, in electrical heaters. furnaces, for gas-fired furnaces, for industrial exhaust systems. mechanical draft, mechanical efficiency of, 283 283 669, 672 375,387 472 355 425 283 Furnace, furnaces, design of, door slot openings, efficiency of. hand-fired, . performance curves of, ratings of, types of, 689 376,383,396.408, 451 446 480 451 397 387 375, 387, 471 motive power of. control of. mountings. operating characteristics,' 293. 296 295 295 284 ' volume, for warm air systems, Furnacestat. 689 375,396 383 operating velocities, 289, 290 performance of. quietness of, ratings of, . selection of. static efficiency of, . systems of heating. 281,289 225 288 287, 290, 293 283 359 Gage, gages, draft, pressure, steam, vacuum. 676 675 416 675 tip speeds. total efficiency of. types of, in unit conditioners. in warm air systems, 289 283 281,285.289.402 212 377. 386,402 Galvanometer, Garage, garages,' air flow necessary in, A.S.H.V.E. ventilation code, heaters for, 676 84 88 473