Document KGmj5BQKjGYQwR9MJ45jOq51x

Heating Ventilating Air Conditioning Guide 1952 . Air conditioning (continued) summer dA<ngn. conditions, 258, 259. 261 temperature table, 258, 259, 261, 934 transportation, 997 treatment of disease, 131 unit.. 571 Air cooler, 571 units, 571, 581 defrosting, 582 design, 581 operation, 583 performance, 582 ratings, 582 types of, 581 Air biters, 723 Air pollution, 154 control, 155, 322, 956 Air requirements, 112, 999 Air supply opening noises, 657, 885 Air velocity, 450, 557, 647, 663 677, 686, 957, 963 cooling towers, 756 design, 686 residual, 650 unit heaters, 557 Air washer, 1, 741 Airborne infection, 132, 164 control, 132, 164 Airfoil fan, 705 ... Aircraft air conditioning, 1003 Allergic disorders, 144 apparatus, 144 asthma symptoms, 145 hay fever symptoms, 144 limitations of air conditioning methods, 145 Altitude, pressure and tempera ture, 63 Anemometer, 1, 1046 deflecting vane, 1047 propeller, 1046 revolving vane, 1046 thermal, 1048 Anesthetics, 138 Anthracite coal, 318, 321, 353 firing methods, 321 Apparatus dew-point, 258, 633, Aspect ratio, 1, 646, 648 Asthma symptoms,,145 Atmosphere, standard, 63 Atmospheric conditions for industrial proc esses, 934-944 cooling towers, 751 make-up water, 765 winter freezing, 766 Atomizing humidifiers, 745 Atomizing oil burner, 361 Attenuation, 879 ducts, 879 duct branches, 879 elbows, 879 grilles, 879 Attic fans, 721 location, 721 types, 721 temperature, 243 Automatic controls (see Controls), 458, 839 application, 846 purpose of, 839 types of, 839 Automatic (continued) fuel burning equipment, 353 viscous filter, 726 Automobile air conditioning, 1003 Axial flow fans, 705 B Baffle, 1, 368 Bare pipe heat loss, 603 Barometer, 1042 Basement coefficients of transmission, 185 heat loss, 185, 245 temperatures, 245 Basementless houses, 246, 465 Bernoulli equation, 68 Biochemical reactions control of rate of, 947 Bituminous coal, 317, 322. firing methods, 322 Blast heater, 2 Blow, 2. 558, 646 Body adaptation to hot conditions, 118 heat loss, 113, 120 odor. 111 thermal interchanges, 119, 120 Boiler, boilers, 377 capacity for unit beaters, 564 care, 390 cast-iron, 377 cleaning steam, 390 combustion rates,'386 connections, 388, 496 ' Hartford return, 496 return, 496 sizing, 487 steam, 486 construction, 377 design, 379 efficiency, 382 electric, 896 erection, 389 fittings, 388 furnace design, 379 gas-fired, 368, 388 selection of, 383, 388 gas-fired units, 368 \ conversions, 368 selection of, 368, 383, 388 heating, 377 heating surface, 2, 379 heat transfer rates, 379 horsepower, 2 hot water supply, 385, 1027 load. 385 maintenance, 389 oil-fired units, 365 operation, 389 output, 382 rating, 380, 383 rating codes, 380, 1057 selection of, 385 based on heating surface and grate area, 387 cast-iron, 386 . estimated design load, 385 estimated maximum load, 385 gas-fired, 388 hot water supply load, 385, 1024 piping tax, 382, 385, 603 radiation load, 385 steel, 380, 385 warming up allowance, 385, 388 soot, 350 space limitations, 388 special heating, 378 XU Boiler, boilers (continued) steel, 378 stoker-fired units, 354 testing codes, 382 troubles, 389 * types, 377 British thertoal units, 2Bucket trap, 500, 502 Building, buildings condensation, 198-211 heat transfer through surfaces 186-197 infiltration, 213, 248, 300 intermittently heated, 251 materials, heat transfer , through, 170, 177, 183, 186, 246 multi-story, air leakage, 219 Burner, oil, 361 Bus air conditioning, 1002 By-pass, 2, 622, 630 c Calcium chloride, 829, 834 Calculated heat loss method, 233 Calorie, 2 Calorific value, 318, 329, 334, 335 Carbon activated, 148, 829,1000 dioxide, 111, 158,324, 332, 339- 350 monoxide, 158, 339-350 Cast-iron boilers, 377 Ceiling cooling units, 582 high, 241 , outlets, 658, 999 perforated, 658, 999 unit heater, 557 Central air conditioning sya- - terns, 629 accessibility, 643 air quantity, 635 apparatus dew-point, 633 control, 630 cooling load, 257, 634 corrosion, 916 design procedure, 643 effectual temperature differ- ence, 635 equipment arrangement, 629- 633 equipment selection, 640 evaporative cooling, 639 fan system, 2 features. 629 heating load, 233, 635 individual room control, 632, induction units, 637 high pressure type, 638 low pressure type, 637 location of apparatus, 642 outdoor air, 629, 634 pre-cooling, 639 reheating, 630 run-around, 640 selection, 640 sensible cooling, 639 storage capacity, 635 zoning, 630 Centrifugal compressors, 815 condensing unit, 815 fan, 705 Charcoal, 156, 733 Index to Technical Data Section Chart air elimination, 481 air flow unequal openings, 222 air flow and sound level, 887 air friction, 670, 671 chimney capacity,- 408, 410, 411, 413, 416, 417 chimney draft, 407, 408, 410, 411, 412 chimney flow, 410, 411, 413,414 coil temperature, 552 color, 22 comfort, 126 compressor and coil perform ance, 827 correction for pipe roughness, 673 dehumidifier performance, 838 design temperature map, 240 disease frequency, 133,134 draft required, 404 dry vs. wet weight, 971 drying time, 972, 973 drying weight, 972 dust particle size, 153 economical thickness pipe insulation, 616 edge loss, 247 effective diameter, 652 effective temperature, 124, 125, 126, 127 elbow loss, 678, 679 entrainment ratio, 649, 651 . estimating surface tempera ture, 198, 549 expansion factor, 81, 82 evaporation chart, 985 fan characteristics, 710-712 fan sound level, 710, 711, 712, 877-879 fan system characteristics, 713 filter resistance. 730 firebox dimensions, 360 flow due to wind, 223 flow through opening, 222 flow coefficients, 79, 80 flue area, 229, 416, 417 flue loss, 339, 340 friction air ducts, 670, 671 friction factor, 71 friction in pipes, 513,515,10161018 fuel consumption, 374, 375 fuel oil index, 332 gas vents, 416 head due to temperature, 512 heat flow, glass, 289 heat emission by radiation from panels, 545 heat endurance, 119 heat loss body, 115, 116, 120, 121, 122 canvas surface, 610 coefficients, insulated ducts, 700 convection from panel, 547 duct, 700 floor, 247 * insulated pipe, 607-610, 612 insulation, 607, 608, 609, 616 humidity, 982 infiltration, 215 inside surface temperature, 549, 550 insulation of cold pipe, 612 hangelier formula, 910 moisture loss from body, 122 motor characteristics, 860-863 MRT elevation, 119 orifice coefficient, 77 orifice installation, 83 Panel heat output. 545, 547,548 permissible relative humidi- ties for various transmis sion coefficients, 200 pressure loss in ducts, 670, 671 pressure loss in elbows, 678. 679, 681 pressure loss in faucets, 1019 Chart (continued) ' pressure loss in meters, 1019 psychrometric charts, 51, 983 persons at rest, 124 pump performance, 522 radiation between black bodies, 99 radiation shape factor, 98 refrigerant pressure-enthalpy 794 refrigeration horsepower, 931 residual velocity, 651 room absorption correction. 889 solubility of calcium salts, 907,908 solubility of gases, 906 sound attenuation, 883 static deflection, 891 static regain, 691, 692 system characteristics, 713 temperature in panel, 552 thickness pipe insulation pre vent sweating, 612 velocity and velocity head, 677 vena contracts location 85 viscosity, air, 69 viscosity, water, 70 well water temperatures, 746 Chemical laboratory hoods, 962 reactions, 945 control of rate of, 645 vitiation of air. 111, 156 Chimney, chimneys, 403 available draft, 405, 410 construction details, 418 determining sizes, 408, 412 effect, 2 factors affecting draft, 404 gas heating, 417 general considerations for, 403, 418 industrial; 405 performance, 408-414 residential, 409 sizes, 408, 412 static draft, 404 theoretical draft, 403 Cinders, 151 Circular equivalents of rec tangular ducts, 673 Circulators, 522 Cleaning boilers, 390 Climatic conditions, 235, 261 Closed expansion tank, 524 sizing formula, 525 Coal, coals anthracite, 317 bituminous, 317 classification of, 318 dustless treatment, 320 estimating consumption, 423 firing methods, 321 lignite, 319 Codes, 1057 installation, 1057 rating, 1057 testing, 1057 Coefficients of transmission, 5, 100, 181-197, 603, 781 basement, 245 floor, 192, 245-247 wall, 245 coils, 532, 604, 781 doors, 197 floors and ceilings, 191, 192 frame construction, 186, 190 glass, 197 glass block walls, 197 xiii Coefficients of transmission (continued) masonry partitions, 190 masonry walls, 188 overall, 181 formulas for calculating, 181 roofs, 193-196 skylights, 197 windows, 197 Coll, colls, 767 air flow resistance, 779 applications, 773 arrangement, 768 construction, 768 cooling, 767 dehumidifying, 777 direct-expansion, 770 dry cooling, 573, 639, 781 film coefficient, 784. 785 flow arrangement, 772 heat emission, 532, 781, 1030 heat transfer surface, 779. heating, 776 performance, 781, 783 cooling, 781 dehumidification, 783 heating, 781 rating, 777 selection, 775, 786 cooling, 777, 788 dehumidifying, 777 beating, 776 steam, 769 uses, 767 water, 770 Coke classification of, 320 estimating consumption, 423 firing methods, 323 Cold therapy, 143 Color, piping systems, 22 Combustion, 317 adjustments, 354, 366 air required, 343 analysis, 344 chamber, 360, 367 dew-point, 350 flue gas, 344, 346 gas, 336 heat balance, 347 heat of, 341 index, 331 losses, 348 oil, 330 principles of, 337 rates, 374, 404 smokeless, 322 Comfort air conditioning, 2 air conditioning systems, 629. 997 chart, 126 line, 2 zone, 2 Compartment dryer, 991 Compressor, compressors 813, 815 centrifugal, 813 reciprocating, 813 refrigeration, performance of, 824, 825 rotary, 813 . Condensates, 904 Condensate return pumps, 498 Condensation 'buildings, 198 concealed, 204, 207 control, 207 interstitial, 204 surface, 199