Document zQKMKKoozNr6096geOxZXJrqn

American Society of Heating and Ventilating Engineers Guide, 1936 British equivalent temperature, 691 British thermal unit, 772 Building, buildings, air velocities in, 357 classification for district heating, 683 construction, heat transmission of, 105, 107 district heating, 676 fuel requirements of, 509 hot water supply to, 640, 643 intermittently cooled, 162 intermittently heated, 151, 413, 707 load factors, 518 materials, heat transmission of, 106 noise in, 327 saving of steam In, 677 8team consumption, 514 tall, infiltration in, 138 water supply to, 629 Burner, burners, automatic equipment, 485 coal, 485 conversion, 504, 506 gas, 502 oil. 500 By-pass method. 170, 772 C Cabinets, (see Enclosures) dryers, 728 ` Calorie, 772 Calorific values, coal, 472 gas, 481 oil. 479 Can dryers, 727 Capacity motor, 750 Capillary moisture, 732 Carbon dioxide, 40, 206 concentration in air, 76 as corrosion agent, 626 as an index of: combustion, 473 draft loss, 462 odors, 57 measurement of, 767 Carbon monoxide, in air, 288 in garages, 100 poisoning, 289 produced by oil burners, 496 Carnot cycle, 44 Cattle, heat and moisture produced by, 99 Ceilings, heat transmission, 119 Central air conditioning systems, 169 automatic control of, 275, 283 design of, 171 location of apparatus, 172 ratings of, 176 spray type, 170 - Central fan heating systems, 387, 772 computations for. 395 connections, 579 design of, 391 electrical, 702 heating requirements of;.390 Charles* law, 7 Chart, of air densities, 6 comfort, 68 effective temperature, 64', 65, 66 psychrometric, 64, 65, 66, 740, (back cover) Ringelmann, of smoke densities, 768 Chimney, chimneys, 451 action, 119 areas of, 457, 461, 468 characteristics, 453 construction of, 465 effect. 90, 93, 119, 138. 549, 772 for gas heating. 466 performance, 456 sizes, 457, 461, 468 . Venturi, 452 Cinder, cinders, 288 . catching devices, 293 disposal of, 295 Circular equivalents of rectangular ducts, 360 Circulator, 503 City, maximum water main temperature, 180 Classrooms, (see Schools) Cleaners, air (see Air, Cleaning Devices) Clearance, window sash, 134 Coal, (see also Anthracile, Coke, Lignite) air speed for conveying, 380 analysis of, 471 bituminous. 477 calorific value, 472 classification of, 471 dust, disposal of, 295 dustless, 478 pulverized, 478 semi-bituminous, 478 size of, 473 Coal burning systems, . automatic control of, 278 automatic firing equipment. 485 boilers, 433 combustion rate, 404 draft required for, 461 fuel requirements, calculation, 510 furnace requirements, 404. 411 hand-fired, 479 stokers, 485 Codes, A.S.H.V.E. codes and standards, 790 for grinding, polishing, and buffing wheels, 374 for proportioning warm air heating plants, 502 for use of refrigerants, 171; 242 Coefficients of heat transmission, (see Heat Trans mission. Coefficients) Coefficient of performance, 44 Coils, booster, 389 cooling, 241, 407 evaporator, 241 heating, 238, 389 hot water, 238 pipe, 579 preheater, 389 radiator, 521 reheater, 389 steam, 238 tempering, 389 Coke, 472 combustion of, 478 Cold, effects on human body, 60 Collectors, dust, 381 Combined system, air conditioning equipment. 169 automatic control of, 276 central fan, 387 Combustion, 471 air required for, 473, 482 of different coals, 475 of gas, 481 of oil, 496 rates for heating boilers, 434 smokeless, 437 with various stokers, 485 ' Comfort, 62 chart, 68, 71, 76 . effective temperature, 63 heating for, 689 level, 525 line. 69. 71, 73, 773 for men working, 71 optimum air conditions for, 67, 71 school children, 71 zone, 69, (see also Zone, Comfort) Compartment dryers, .728 . Compliance, of sound insulating materials. 336 Composition of water, 26 Compound wound motor, 747 Compressed air, 213 Compressors, 37, 190 reversed refrigeration, 52, 706 types of, 37, 190 Alphabetical Index to Technical Daja Section Condensation, on building surfaces, 151 meters, 681 prevention of, 151, 665 rate in radiators, 525 return pumps, 549 in steam heating systems, 533, 557 in winter, 71 Condenser, 37 design data, 194, 206 turbine, 204, 208 water temperatures, 207 Conditioning and drying, 717 (see also Air Condi tioning) Conductance, 104, 125, 773 of air spaces, 104, 106 of building materials, 107 of insulation, 107, 656 ' surface, 104 Conduction, 521, 773 Conductivity, 104, 125, 773 Conduit, 673 Connections, for boilers, 444, 572, 574 branch, 535 for central fan systems, 579 for chimneys, 461, 468 for convectors, 579 for direct heating systems, 676 for drains, 445 Hartford return, 574 for hot water systems, 604 for indirect heating units, 582 for pipe coils, 579 ' for radiators, 577, 600 service, 676 constant speed motor, 748 Construction code for low pressure boilers, 444 Contact dryers, 723 Contours, velocity, 375 Control, controls, accessory automatic apparatus, 272, 773 of air conditioning equipment, 269, 281, 283 combined system, 276 split system 275 apparatus, 269 automatic, 269, 272, 278. 283 connecting apparatus, 272 of cooling units, 281 drying, 734 of electrical heating, 707 of fans, 319 of electric motors, 747, 753 manual, 93 of mechanical warm air systems, 411 of natural ventilation, 93 of oil burning equipment, 279 rate of biochemical reactions, 715 rate of chemical reaction, 715 rate of crystallization, 716 - . of regain, 714 of relative humidity, 282 of sound, 325 of steam heating systems, 548 of temperature, 272, 499, 707 of vacuum pumps, 551 Convection, 84, 503, 689, 701, 773 Convectors, 521, 526, 773 A.S.H.V.E. code for, 529 connections for, 579 control of, 272 correction rating factors, 529 design of, 527 gravity, 521 heat emission by, 521, 528 heating capacity, 528 performance characteristics, 528 selection, -528 Conversion burners, 504 Conversion equations, 785 Coolers, surface, 176 types of, 193 unit, 218 Cooling, 20, 23 with central fan heating systems, 407 effect, 9 . effective temperatures for, 75 . by electric refrigeration, 52, 706 equipment, design of, 206 evaporative, 169,179, 181, 202 of fluids, 207 of human body, 159 load, 157 with mechanical warm air systems, 415 methods, 169, 179, 407 ponds, 208 railway air conditioning, 259 relative humidities for, 75 towers, 190, 195, 205, 208 units, thermostatic control, 281 water, 206 Copper pipe, 608 Corrosion, of boilers, 447 of industrial exhaust systems, 383 protective materials, 384 inhibitors, 627. of pipe, 626 tester, 627 Costs, of district heating service, 684 of electrical heating, 709 of railway fcir conditioning, 265 of unit conditioners, 252 Crack, window, 134 Cyclone dust collector, 381 Cylinder dryers, 727 D Dalton, law of partial pressures, 1 Damper, dampers, apparatus which operates, 271, 274, 277 control, 92 in duct systems, 409 types of, 409 with unit ventilators; 230 Decibel, 325, 773 Definitions, 74 Degree-day, 773 base temperature for, 514 method of estimating fuel consumption, 511 records for cities, 512 Dehumidification, 20, 201 effective temperatures for, 75 methods of. 169, 182, 240 by refrigeration, 182 relative humidities for, 75 * Dehumidifier, dehumidifiers, 182 alumina, 184 in central air conditioning systems, 170 in industrial air conditioning, 212 silica gel, 183 ' types of, 214 Density, 3, 773 of air, 6 of saturated vapor, 10 specific, 3 of water, 30 Design temperature, dry-bulb, 158 wet-bulb, 158, 207 Dew point, 773 relation to relative humidity, 9 temperature, 2, 282 Diameter, circular equivalents of rectangular ducts, 360 Dichlorodifluoromethane, 37, 41, 191, 206 Diesel engine, 208 Direct current motor, 747 1 Dirt pockets, 584 Disc fans, test code for, 312 Distribution of air, 343 (see also Air, Distribution) District heating, 671- Diverter, back draft, 466 xi