Document Rpjd8VKqGdx8V6gYvXOQ0vowB

Heating Ventilating Air Conditioning Guide 1955 Air conditioning (continued) industrial, 1005 atmospheric conditions re quired, 271, 1006-1016 calculations, 1021 general requirements, 1005 problem classification, 1005 typical applications, 1005 owning ana operating cost, 995, 1124 passenger bus, 1084 processes, 54 adiabatic mixing, 57 adiabatic saturation, 60 fyyilSr.g 55 heating, 54 railway passenger car, 1079 residential, 1119 ship, 1088 stoker-fired units, 362 storage systems, 865 streetcar, 1083 summer design conditions, 270, 271, 273 temperature table, 270, 273, 1006 transportation, 1079 treatment of disease, 131 unit, 603 Air cooler, 603 units, 603, 613 defrosting, 614 design, 613 operation, 615 performance, 614 ratings, 614 types of, 613 Air filters, 777 Air pollution, 154 control, 155, 786 Air requirements, 113, 330, 1081 Air supply opening noises, 707, 945 Air velocity, 468, 589, 693, 738, 1032, 1034 cooling towers, 812 design, 738 unit heaters, 589 Air washer, 1, 797, 799, 801 Airborne matter, 152, 776 Airborne infection, 132, 164 control, 132, 164 Aircraft air conditioning, 1085 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, 1,1142 deflecting vane, 1143 propeller, 1142 revolving vane, 1142 thermal, 1144 Anesthetics, 138 Anthracite coal, 326, 327,328,329 firing methods, 329 Apparatus dew-point, 270, 313 Aspect ratio, 1, 691 Asthma symptoms, 145 Atmosphere, standard, 63 Atmospheric conditions for industrial proc esses, 1006-1016 cooling towers, 807 make-up water, 821 winter freezing, 822 Atomizing humidifiers, 801 Atomizing oil burner, 369 Attenuation, 939 ducts, 939 duct branches, 939 elbows, 939 grilles, 939 Attic fans, 773 location, 773 types, 773 temperature, 255 Automatic controls (see Controls), 482, 592,895 application, 898 purpose of, 895 types of, 895 fuel burning equipment, 361 viscous filter, 777 Automobile air conditioning, 1085 Axial flow fans, 757 B Baffle. 1, 379 Bare pipe heat loss, 645 Barometer, 1138 Basement coefficients of transmission, 185 heat loss, 184, 256, 257 temperatures, 256 Basementless houses, 258, 483 Bernoulli equation, 68 Biochemical reactions control of rate of, 1019 Bituminous coal, 326, 327, 330 firing methods, 330 Blast heater, 2 Blow, 2, 589 Body adaptation to hot conditions, 118 heat loss, 113,120 odor. 111 thermal interchanges, 119, 120 Boiler, boilers. 389 capacity for unit heaters, 596 care, 402 cast-iron, 389, 398 cleaning, 402 combustion rates, 399 connections, 400, 512 Hartford return, 512 return, 512 sizing, 513 steam, 512 construction, 389 design, 391 efficiency, 396 erection, 401 fittings, 400 furnace design, 391 gas-fired, 378, 400 selection of, 397, 400 gas-fired units, 378 conversions, 379 grate area, 398 heating, 389 heating surface, 2, 391 heat transfer rates, 391 horsepower, 2 hot water supply, 397, 1108 load, 391 maintenance, 401 oil-fired units, 372 operation, 401 output, 394 rating, 392, 393, 396, 399 rating codes, 392 selection of, 397 based on heating surface and grate area, 398 cast-iron, 398 estimated design load, 397 estimated maximum load, 397 gas-fired, 400 hot water supply load, 397, 1108 piping tax, 397, 646 radiation load, 397 steel, 390, 392, 398 xii Boiler, boilers (continued) warming up allowance, 397, 400 soot, 358 space limitations, 400 steel, 390, 392, 398 stoker-fired units, 362 . testing codes, 392, 1153 troubles, 401 types, 389 British thermal unit, 2 Bucket trap, 516, 517 Building, buildings condensation, 201 heat transfer through surfaces, 180-195 . infiltration, 221, 260, 305 intermittently heated, 264 materials, heat transfer through, 170, 174, 180, 184, 257 multi-story, air leakage, 227 Burner, oil, 369 Bus air conditioning, 1084 By-pass, 2, 672 factor, 307 c Calcium chloride, 885, 890 Calculated heat loss method, 243 Calorie, 2 Calorific value, 326,337,342,343, 350 Carbon activated, 148, 885, 1082 dioxide, 111, 158, 332, 340, 345, 347-357 monoxide, 158, 346-357 Cast-iron boilers, 385 Ceiling cooling units, 614 high, 254 outlets, 709, 1081 perforated, 710,1081 unit heater, 588 Central air conditioning sys tems, 677 accessibility, 690 air quantity, 683 apparatus dew-point, 270; 313, 681 control, 678, 895 cooling load, 269, 681 . corrosion, 988 design procedure, 690 effectual temperature differ ence, 683 equipment arrangement, 677- 681 equipment selection, 687 evaporative cooling, 685 fan system, 2, 677 features, 677 heating load, 243, 682 humidity control, 681' individual room control, 680 induction units, 684 high pressure type, 685 low pressure type, 684 location of apparatus, 689,1123 outdoor air, 677, 681 precooling, 686 reheating, 678 run-around, 686 selection, 687 sensible cooling, 686 storage capacity, 682 summer only, 1121 year-round, 677 zoning, 678 Centrifugal compressors, 871 condensing unit, 871 fan, 757 Charcoal, 794 Index to Technical Data Section Chart sir elimination, 497 air flow unequal Openings, 232 air flow and sound level, 947 air friction, 722, 723 axial jet velocities; 698 chimney capacity, 419; 420, 422-425. 427, 431 chimney draft, 416, 419, 422- 425 chimney flow; 420,422,423,431 coil temperature, 577 color, 22 comfort, 126 compressor and coil perform ance, 883 correction for pipe roughness, 725 dehumidifier performance, 894 design temperature map, 251 disease frequency, 133,134 draft required, 416 dry vs. wet weight, 1053 drying time, 1054, 1055 dust particle size, 153 economical thickness pipe in sulation, 661 edge loss, 259 effective diameter,- 697 . effective temperature, 124-127 elbow loss, 730, 731 . entrainment ratio, 702 estimating surface tempera ture, 196, 573 expansion factor, 81; 82 evaporation chart, 1067 fan characteristics, 762-764 fan sound level, 762-764, 939 fan system characteristics; 765 filter resistance; 790-792 firebox dimensions, 368 flow coefficients, 79, 80 flow due to wind, 229 flow through opening, 232, 233 flue area, 238 flue loss, 347 friction air ducts, 722-723 friction factor, 71 friction in pipes, 529,531,10981100 fuel consumption; 385, 386 fuel oil index, 340 gas vents, 431 head due to temperature, 528 heat flow, glass, 294 heat emission by radiation from panels, 569 heat endurance, 119 heat loss body, 115, 116, 120, 121, 122 canvas surface, 654 coefficients, insulated ducts, 753 convection from panel, 571 duct, 753 floor, 260 insulated pipe, 650-652, 654 insulation, 647, 650-652 humidity, 1065 infiltration, 223 inside surface temperature. 673,574 insulation of cold pipe, 656 * Langelier formula, 979 moisture lo6s from body, 122 motor characteristics, 918-922 MRT elevation, 119 orifice coefficient, 77 orifice installation, 83 panel heat output, 570-572 permissible relative humidi ties for various transmis sion coefficients, 211 pressure loss in ducts, 722, 723 pressure loss in elbows, 730. 731, 733 pressure loss in faucets, 1101 pressure loss in meters, 1101 psychrometric charts, 53, 1065 persons at rest, 124 pump performance, 538 radial jet velocities, 698 Chart (continued) radiation between black bodies, 99 radiation shape factor,-98 refrigerant pressure-enthalpy. 850, 852 refrigeration horsepower, 1003 room absorption correction. 949 solubility of calcium salts, 976, 977 solubility of gases; 975 sound attenuation, 943 static deflection, 951 static regain, 743, 744 system characteristics, 765 temperature in panel, 577 thickness pipe insulation pre vent sweating; 656 velocity and velocity head, 729 vena contracts location, 85 viscosity, air, 69 viscosity, water, 70 well water temperatures, 802 Chemical, chemicals laboratory hoods, 1035 reactions, 1016 control of rate of, 1017 vitiation of air. 111, 156 water treating, 982; 983, 686, 992 Chimney, chimneys, 415 available draft,.417, 422 construction details, 432 determining sizes, 420, 427 effect, 2 efficiency, 425, 426 factors affecting draft, 416 gas heating, 430 general considerations for, 429,434 industrial, 417, 420 performance, 415, 416, 420 residential, 421, 422 short, 424, 426 sizes, 420, 427 static draft, 416 theoretical draft, 415 Cinders, 154 Circular equivalents of rectan gular ducts, 725 Circulators, 538 Cleaning boilers, 402 Climatic conditions, 245, 273 Closed expansion tank, 540, 541 sizing formula, 541 Coal, coals anthracite, 326-329 bituminous, 326, 327, 330-334 classification of, 326 combustion, 329 draft required, 333, 416 dustless treatment, 328 estimating consumption, 437, 448 firing methods, 329 lignite, 327 Codes, 1153 installation, 1153 rating, 1153 testing, 1153 Coefficients of transmission, 5, 101, 167, 185-195, 645, 837 basement, 256 floor, 190, 258 wall, 256 coils, 556, 837 doors, 195 floors and ceilings, 189 frame construction, 185, 189 glass, 195 glass block walls, 195 insulating materials, 179 masonry partitions, 188 masonry walls, 186 overall, 177 Xlll Coefficients of transmission (continued) ,, formulas for calculating, 168 roofs, 191-194 skylights, 195 windows, 195 Coil, colls, 823 air flow resistance, 835 applications, 829 arrangement; 826, 834 by-pass factor, 314 construction, 824 cooling. 833, 842 dehunudifying, 833, 839 direct-expansion, 826 dry cooling, 605, 685, 837 film coefficient, 840, 841 flow arrangement, 828 beat emission, 556, 837, 1112 heat transfer surface, 835 heating, 832 performance, 837, 839 cooling, 837 dehumidification, 839 heating, 837 pipe, 556 rating, 833 selection, 831, 842 cooling, 833, 842 dehunudifying, 833 heating, 832 steam, 825 uses, 723 water, 826 Coke classification of, 328 estimating consumption, 448 firing methods, 331 Cold therapy, 143 Color, piping systems, 22 Combustion, 325 adjustments, 366, 369, 381 air required, 351 analysis, 352 chamber, 367, 375 dew-point, 358 efficiency, 352, 374 flue gas, 352, 354 gas, 344 heat balance; 355 heat of, 349 index, 329 losses, 356 oil, 338 process, 363, 381 principles of, 346 rates, 385, 386, 416 smokeless, 330 Comfort air conditioning, 2 air conditioning systems; 677, 1079 chart, 126 line, 2 zone, 2 Compartment dryer, 1072 Compressor, compressors, 869 centrifugal, 871 clearance, 859 reciprocating, 869 refrigeration, performance of, 880, 881 rotary, 870 volumetric efficiency, 859 Condensates, 947, 948 Condensate return pumps, 514 Condensation buildings, 211, 213 concealed, 213 control, 215 flue gas, 358 surface, 211 visible, 211 Condensers, 872 air cooled, 872