Document zQYQ5owr7pKJ032pM644xn57B

Heating Ventilating Air Conditioning Guide 1950 Air conditioning, 1 aircraft,' 967 automobEes in summer, 997 central system, 601 comfort, 2 hospitals, 135-190 humidity, table, 909 industrial, 907 atmospheric conditions re quired, 907 calculations, 914 general requirements, 907' problem classification, 910 typical applications, 910 owning and operating cost, 895 passenger bus in summer, 966 processes, 55 - adiabatic mixing, 57, 59 adiabatic saturation, 59 . cooling, 56 cooling load, 60 heating, 55 heating load, 63 railway passenger car, 961 ship, 970 stoker-fired units, 330 storage systems, 777 summer design conditions, 250, 251, 253 temperature table, 908 transportation, 961 treatment of disease, 135 unit, 545 Air cooler. 545, 551, 555 units, 551 defrosting, 556 design, 555 performance, 555 ratings, 556 types of. 556 Air filters, 693 Air pollution, 156 control, 157 Air requirements, 117, 143, 963, 970 Air supply opening noises, 629, 857 Air velocity, 549, 636, 921, 927 unit heaters, 532, 534 Air washer, 1, 709 Airborne infection, 135, 166 control, 144, 166 Airfoil fan, 675 Aircraft air conditioning, 967 Allergic disorders, 147 apparatus, 147 asthma symptoms, 147 hay fever symptoms, 147 limitations of air conditioning methods, 148 Altitude, pressure and tempera ture, 70 Anemometer, 1, 1008 deflecting vane, 1008 hotwire, 1010 " propeller, 1008 revolving vane, 1008 Anesthetics, 140 Anthracite coal, 303,306,318,319 firing methods, 319 Apparatus dew-point, 61, 605 Aspect ratio, 1, 618, 620 Asthma symptoms, 147 Atmosphere, standard, 70 Atmospheric conditions for industrial proc esses, 908 Atmospheric (continued) cooling towers, 719 make-up water, 733 winter freezing, 734 Atomizing humidifiers, 714 Atomizing oil burner, 337 Attenuation, 844, 851 ducts, 851 duct branches. 852 elbows, 851, 852 grilles to room, 851 Attic fans, 691 location. 691 types, 691 temperature, 235 Automatic controls (see Controla), 429, 805 purpose of, 805 types of, 805 fuel burning equipment, 329 viscous filter, 695 Automobile air conditioning, 967 Axial flow fans, 691 B Baffle, 1, 345 Bare pipe heat loss, 506, 575, 576 Barometer, 1004 Basement coefficients of transmission. 186,191 heat loss, 191, 237 temperatures, 237 Bernoulli equation, 77 Biochemical reactions control of rate of, 912 c Bituminous coat, 304 firing methods, 320 Blast heater, 2 Blow, 2 Body adaptation to hot' conditions. 122 heat loss, 124, 125 odor, 115,117 thermal interchanges, 117, 124 Boiler, boilers, 353 capacity for unit heaters, 540 care, 366 cast-iron, 353 cleaning steam, 366 combustion rates, 362 connections, 364, 470 . Hartford return, 445,470,471 return, 470 . sizing, 471 steam. 471 construction, 353 design, 355 efficiency, 358 electric, 867 erection, 365 fittings. 364 furnace design, 355 gas-fired, 344. 364 selection of, 348 gas-fired unite, 344 conversions, 345 selection ot, 348 Boiler, boEers (continued) heating, 353 heating surface, 2, 355 heat transfer rates, 355 horsepower, 2 hot water supply, 354, 869,989 load, 360, 361 maintenance, 365 oE-fired unite, 341 operation. 365 output, 360, 361 rating, 360 rating codes, 356 selection of, 361 based on heating surface and grate area, 363 cast-iron, 362 estimated design load, 361 estimated maTimnm load 361 gas-fired, 364 hot water supply load, 361. 986 piping tax, 361, 576 radiation load, 361 steel. 362 warming up allowance, 361 soot, 326 ' space limitations, 364 BHWI, ooa, ooz stoker-fired unite, 330 testing codes, 356, 1019 troubles, 365 types, 353 British thermal units. 2 Bucket trap, 475 BuEding, buildings. condensation, 197 heat transfer through sur faces, 169 infiltration, 205, 240 intermittently heated, 243 materials, heat transfer through, 169. 239 multi-story, air leakage, 210 Burner, oil. 337 Bus air conditioning 933 By-pass, 2, 594, 602 c Calcium chloride, 613, 795, 8001 Calculated heat loss method, 399 Calorie, 2 Calorific value, 304. 305. 309. 310.312 - Carbon activated, 701, 964 dioxide. 160, 303, 314, 315, 343, 347 monoxide, 115, 154, 160, 322, 347 Cast-iron boEers, 353 CeEing - . cooling unit, 547 . - v high, 234 outlets, 630 , perforated, 630, 963 unit'heater, 533 >. ' XU Index to Technical Data Section Central air conditioning sys tems, 601 accessibEity, 615 air quantity, 606, 608 apparatus aew-point, 605 by-pass, 604 corrosion, ew design procedure, 615 effectual temperature differ ence, 607, 608 equipment arrangement, 601 equipment selection, 616 evaporative cooling, 611 fan system, 2 features, 6Q1 heating load, 607 induction unite, 609 high pressure type, 610 low pressure type, 609 location of apparatus, 614 outdoor air, 601 pre-cooling, 611 reheating, 603, 612 run-around, 612 selection, 612 sensible cooling, 611 zoning, 602 Centrifugal compressors, 778 conaensiog unit, 781 fan, 675 Charcoal, 701 air flow and sound level, 859 air friction. 642, 643 canvas surface, 582 comfort, 128 compressor and cofl perform ance, 793 correction for pipe roughness, 645 dehumidifier performance, 804 design temperature map, 232 economical thickness pipe in sulation, 588 effective temperature, 129 estimating surface tempera ture, 522 fan characteristics, 680-682 filter resistance, 698 friction air ducte, 642, 643 friction in black iron pipes, 487, 489, 981, 982 Goff .diagram, 51 heat emission by radiation from panels, 524 heat I06S coefficients, insulaetd ducte, 671 from body, 119, 120,124, 125 insulated pipe, 579, 580, 581, 582 humidity, 947 insulation of cold pipe, 584 loss of pressure in elbows, 650 motor characteristics, 824, 828, 830, 831, 833 permissible relative humidi ties for -various transmis sion coefficients, 198 psychrometric charts, 128, 947 persona at rest, 128 room absorption correction, 861 sound attenuation, 855 static deflection, 863 system characteristics, -683 thickness pipe insulation pre vent sweating, 584 velocity and velocity head, 649 Chart (continued) well water temperatures, 714 Chemical laboratory hoods, 926 reactions, 912 control of rate of, 912 vitiation of air, 115, 153 Chimney, chimneys, 379 available draft, 381, 388 construction details, 394 determining sizes, 384 domestic, 385, 391 effect, 2 factors affecting draft, 388 gas heating, 392 general considerations for, 396 industrial, 381 performance, 385, 390 static draft, 380 Cinders, 156 Circular equivalents of rec tangular ducte, 646 Circulators, 486, 496 Cleaning boEers, 366. Climatic conditions, 227, 253 Closed expansion tank, 498 sizing formula, 499 Coal, coals anthracite, 304 bituminous, 304 classification of, 303 dustless treatment,-306 estimating consumption, 399, 410 firing methods, 319, 320, 321 lignite, 306 Codes, 1019 installation, 1019 rating, 1019 testing, 1019 Coefficients of transmission, 5, 101, 169, 576, 735 basement, 186 floor, 186 wall, 186- coEs, 735, 991 doors, 196 floors and ceilings, 186, 190-195 frame construction, 184, 189 glass block walls, 196 masonry partitions, 189 - masonry walls, 188, 189 overall, 170 formulas for calculating, 170, roofs, 186, 195, 196 skylights, 196 windows, 196 Coil, coils, 735 air flow resistance, 747 applications, 741 arrangement, 736 construction, 736 cooling, 745 debumidifying, 745 direct-expansion, 738 dry ccoling, 547, .611, 749 flow arrangement, 740 heat emission, 747 heat transfer surface, 749 beating, 744 performance, 749, 751 cooling, 751 dehumidification, 751 heating, 744 CoE, coils (continued) selection, 743 cooling, 745 debumidifying, 745 heating, 744 steam, 737 uses, 735 water, 738 Coke classification of, 306 estimating consumption, 410 firing methods, 322 Cold therapy, 146 Color, piping systems, 22 Combustion. 303 air required, 314 analysis, 314, 341, 343, 1014 chamber, 343 gas, 325, 346 heat of, 312 oil, 341 principles of, 312 rates, 349 smokeless, 321 Comfort air conditioning, 2 air conditioning systems, 601, 961 chart, 130 line, 2 zone, 2 Commercial oE burners, 337 Compartment dryer, 954 Compressor, compressors, 779 centrifugal, 780 reciprocating, 780 refrigeration, performance of, 778 rotary, 780 steam jet, 773 Condensates, 876 Condensate return pumps, 472 Condensation buildings, 197 interstitial, 199 return pumps, 472 surface, 198 Condensers. 781 air cooled, 781 design data, 732 , evaporative, 782 water cooled, 782 Condition line, 61, 605 Conductance, 3, 171,172 air space, 172, 177 buEding materials, 173 insulators, 173 , surface, 176, 582 Conduction. 3,101,172 drying methods, 952 electric heaters, 865 equation, 102 steady-state solutions. 111 Conductivity. 3,101,171 - bat type insulation, 175 building boards, 173 buEding materials, 173