Document 2R80Vp8pD6Bpv5dLJkdeqkEeg

Heating Ventilating Air Conditioning Guide 1954 Air cooler. 501 units, 591, 601 defrosting, 602 design, 601 operation, 603 performance, 602 ratings, 602 types of, 601 Air filters, 753 Air pollution, 154 control, 155, 326, 762 Air requirements, 112, 1053 Air supply opening noises, 683, 919 Air velocity, 462, 577, 669, 714, 1004,1006 cooling towers, 788 design, 714 residual, 666 unit beaters, 577 Air washer, 1, 773, 775, 777 Airborne matter, 152, 752 Airborne infection, 132,164 control, 132, 184 Airfoil fan, 733 Aircraft air conditioning, 1057 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, 1,1108 deflecting vane, 1109 propeller, 1108 revolving vane, 1108 thermal, 1110 Anesthetics, 138 Anthracite coal, 322, 323, 324, 325 firing methods, 325 Apparatus dew-point, 266, 309 Aspect ratio, 1, 667, . Asthma symptoms, 145 * Atmosphere, standard, 63 - Atmospheric conditions for industrial proc esses, 978-988 cooling towers, 783 mke-up water, 797 winter freezing, 798 Atomizing humidifiers, 777 Atomizing oil burner, 365 Attenuation, 913 ducts, 913 duct branches, 913 elbows, 913 grilles, 913 Attic fans, 749 location, 749 types, 749 temperature, 249 Automatic controls (see Control*), 467,580, 871 application, 874 purpose of, 871 types of, 871 fuel burning equipment, 357 viscous filter, 753 Automobile air conditioning, 1057 Axial flow fans, 733 B Baffle, 1,375 Bare pipe heat loss, 625 Barometer, 1104 Basement coefficients of transmission, 185 Basement {continued) heat loss, 185, 251, 252 temperatures, 251 Basementless houses, 253, 477 Bernoulli equation, 68 Biochemical reactions control of rate of, 991 Bituminous coal, 322, 323, 326 firing methods, 326 Blast heater, 2 Blow, 2, 577 Body adaptation to hot conditions, 118 heat loss, 113,120 odor. 111 thermal interchanges, 119,120 Boiler, boilers, 385 capacity for unit heaters, 584 care, 398 cast-iron, 385, 394 cleaning, 398 combustion rates, 394 connections, 396, 508 Hartford return, 508 return, 508 sizing, 509 steam, 508 construction, 385 design, 387 efficiency, 390 erection, 397 fittings, 396 furnace design, 387 gas-fired, 374. 396 selection of, 392, 396 gas-fired units, 374 conversions, 375 grata area, 395 Beating, 385 heating surface, 2, 387 heat transfer rates, 387 horsepower, 2 hot water supply, 393, 1080 load, 393 maintenance, 397 oil-fired units, 368 operation, 397 output, 390 rating, 388. 391, 392, 395 rating codes, 388, selection of, 393 based on heating surface and grate area, 395cast-iron, 394 estimated design load, 393 estimated maximum load, 393 gas-fired, 396 hot water supply load, 393, 1080 piping tax, 393, 622 radiation load, 393 steel, 386, 388, 394 warming up allowance, 393, 396 soot; 354 space limitations, 396 steel, 388, 394 stoker-fired units, 358 testing codes, 388 troubles, 397 types, 385 British thermal units, 2 Bucket trap, 512, 513 Building, buildings condensation, 201 heat transfer through surfaces, 186-197 infiltration, 217, 255, 256, 301 intermittently heated, 259 materials, heat transfer through, 170, 177, 183, 186, 252 multi-story, air leakage, 227 Burner, oil, 365 Bus air conditioning, 1056 xii By-pass, 2, 644 factor, 309, 311 c Calcium chloride, 861, 866 Calculated heat loss method, 239 Calorie, 2 Calorific value, 322,333,338,339, 346 Carbon activated, 148, 861, 1054 dioxide, 111, 158, 328, 336, 341, 343-353 monoxide, 158, 342-353 Cast-iron boilers, 385 Ceiling cooling units, 602 high, 247 outlets, 685, 1053 perforated, 686, 1053. unit heater, 576 Central air conditioning sys tems, 653 accessibility, 666 air quantity, 659 apparatus dew-point, 266, 309, 657 control, 653,871 cooling load, 265, 657 corrosion, 960 design procedure, 666 effectual temperature differ ence, 659 equipment arrangement, 653- 656 equipment selection, 663 evaporative cooling, 661 . fan system, 2 features, 653 heating load, 239, 658 hamidity eontrol, 657 individual room control, 656 induction units, 660 high pressure type, 661 low pressure type, 660 location of apparatus, 665,1095 outdoor air, 653 , 657 , pre-cooling, 662 reheating, 654 run-around, 662 selection, 663 sensible cooling, 662. storage capacity, 657, 658 summer only, 1093 year 'round, 653 zoning, 654 Centrifugal compressors, 847 -condensing unit, 847 fan, 733 Charcoal, 756, Chart air elimination, 493 . air flow unequal openings, 228 air flow and sound level, 921 air friction, 698, 699 axial jet velocities, 674 ... chimney capacity,' 415, 416, 418-423, 427 chimney draft, 415, 416, 418-- 421 chimney flow, 416-423,.427 coil temperature, 564, color, 22 comfort, 126 compressor and coil perform ance, 859 correction for pipe roughness, 701 dehumidifier performance, 870 design temperature map, 246 disease frequency, 133, 134 draft required, 412 dry vs. wet weight, 1025 drying time. 1026, 1027 drying weignt, 1026 dust particle size, 153 Index to Technical Data Section Chart {continued) economical thickness pipe in sulation, 638 edge loss, 254 effective diameter, 673 effective temperature, 124, 125, 128, 127 elbow loss, 706, 707 entrainment ratio, 678 estimating surface' tempera ture, 198, 561 expansion factor, 81, 82 evaporation chart, 1039 fan characteristics, 738-740 fan sound level, 738-740, 911-- 913 fan system characteristics, 741 filter resistance, 766, 767, 768 firebox dimensions, 364 flow coefficients, 79, 80 flow due to wind, 225 flow through opening, 228, .229 flue area, 234 flue loss, 343 friction air ducts, 698, 699 friction factor, 71 friction in pipes, 525, 527, 1070-1072 fuel consumption, 381, 382 fuel oil index, 336 gas vents, 427 Bead due to temperature, 524 heat flow, glass, 290 heat emission by radiation from panels, 557 heat endurance, 119 heat loss body, 115, 116, 120,121, 122 canvas surface, 632 coefficients, insulated ducts. 728 convection from panel, 559 duct, 728 floor, 255 insulated pipe, 629-032, 635 insulation, 628, 629-631 humidity, 1036 infiltration, 219 inside surface temperature, 561, 562 insulation of cold pipe, 635 ~i Langelier formula, 954 moisture loss from body, 122 motor characteristics, 894-897 5TRT elevation, 119 orifice coefficient, 77 . orifice installation, 83 panel heat output, 557, 559, 560 permissible relative humidi ties for various transmis sion coefficients, 203 pressure loss in ducts, 698, 699 pressure loss in elbows, 706, 707, 709 pressure loss in faucets, 1073 pressure loss in meters, 1073 psychrometric charts, 53, 1037 persons at rest, 124 pump performance, 534 radial jet velocities, 674 radiation between - black bodies, 99 radiation shape factor, 98 refrigerant pressure-enthalpy, 826, 828 refrigeration horsepower, 975 room absorption correction, 923 solubility of calcium salts, 951, 952 solubility of gases, 950 sound attenuation, 917 static deflection, 925 static regain, 719, 720 system characteristics, 741 temperature in panel, 564 thickness pipe insulation pre vent sweating, 635 velocity and velocity head, 705 Chart {continued) vena contracts location, 85 viscosity, air, 69 viscosity, water, 70 well water temperatures, 778 Chemical, chemicals laboratory hoods, 1006 reactions, 988 control of rate of, 989 vitiation of air. 111, 156 water treating, 953, 956, 963 Chimney, chimneys, 411 available draft, 413, 418 construction details, 428 determining sizes, 416, 423 effect, 2 efficiency, 421, 422 factors affecting draft, 412 gas heating, 426 general considerations for, 405, 430 industrial, 413. 416 performance, 411, 415, 416 residential, 417, 418 short, 420, 422 sizes, 416, 423 static draft, 412 theoretical draft, 411 Cinders, 152 Circular equivalents of rec tangular ducts, 701 Circulators, 534 Cleaning boilers, 398 Climatic conditions, 241, 269 Closed expansion tank, 536, 537 sizing formula, 537 Coal, coals anthracite, 322-325 bituminous, 322, 323, 326-330 classification of, 322 combustion, 325 draft required, 329, 412 dustless treatment, 324 estimating consumption. 433. 444 firing methods. 325 lignite, 323 Codes, 1119 installation, 1119 rating, 1119 testing, 1119 Coefficients of transmission, 5, 100, 181-197, 625, 813 basement, 251 floor, 192, 251-253 wall, 251 . coils, 544, 626, 813 doors, 197 floors and ceilings, 191, 192 frame construction, 186, 190 glass, 197 glass block walls, 197 insulating materials, 182 masonry partitions, 190 masonry walls, 188 overall) 181 formulas for calculating, 181 roofs, 193-196 skylights, 197 windows, 197 Coil, coils. 799 air flow resistance, 811 applications, 805 arrangement, 802, 810 by-pass factor, 309, 311 construction, 800 cooling, 809, 818 dehumidifying, 809, 815 direct-expansion, 802 dry cooling, 593, 661, 813 film coefficient, 816, 817 flow arrangement, 804 heat emission, 544, 813, 1084 heat transfer surface, 811 heating, 808 xiii Coil (s)' {Continued) performance, 813, 815 cooling, 813 dehumidification, 815 heating, 813 pipe, 544 rating, 809 selection, 807, 818 cooling, 809, 818 dehumidifying, 809 heating, 808 steam, 801 uses, 799 water, 802' Coke classification of, 324 estimating consumption, 444 firing methods, 327 Cold therapy, 143 Color, piping systems, 22 Combustion. 321 adjustments, 382, 369, 377 air required, 347 analysis, 348 chamber, 363, 371 dew-point, 354 efficiency, 348, 370 flue gas, 348, 350 gas, 340 heat balance, 351 . heat of, 345 ' index, 335 losses, 352 oil, 334 process, 359, 377 principles of, 342 rates, 381, 382, 412 smokeless, 326 Comfort air conditioning, 2 air conditioning systems, 653 1051 chart, 128 line, 2 zone, 2 Compartment dryer, 1044 Compressor, compressors. 845 centrifugal, 847 clearance, 835 reciprocating, 845 refrigeration, performance of. 856, 857 rotary, 846 volumetric efficiency, 835 Condensates, 958, 959 Condensate return pumps, 510 Condensation buildings, 201, 215 concealed, 209, 210 control, 211 flue gas, 353 interstitial, 209 surface, 202 visible, 202 Condensers, 848 air cooled, 848 design data, 790 evaporative, 848 water coolea, 848 Condition line, 59, 311 Conductance, 3, 167, 170, 180 air space, 170, 178 building materials, 171, 180 insulators, 174, 180, 628 soil, 169 surface, 177, 797 Conduction. 3, 89 drying methods, 1042 electric heaters, 927 equation, 90 steady-state solutions, 101