Document emO0Q71G6vnpyMReYZG20N8Ve

Heating Ventilating Air Conditioning Guide 1960 Air cooler, 233 units, 233,238 defrosting, 239 design, 239 operation, 240 ratings, 239 types of, 239 , Air cooling, 31, 95, 206. 239. 224, 330, 609, 612,676 evaporative, 615-617 Anemometer {continued) revolving vane, 649 thermal, 649 Anesthetics, 96 Anthracite coal, 479,481 firing methods, 481 Apparatus dew point, 177, 209 Aspect ratio, 1,277 Asthma symptoms, 100 Atmosphere, standard, 1; 35 Air distribution, 247, 277, 672, 682 application of methods, 2S9,682 balancing the system, 287 ceiling outlets, 285 definitions, 277 design methods, 302 directional control, 288 duct approaches to outlets, 287 entering temperature, 212 entrainment ratios, M3 flow patterns, 283,288 forced warm air systems, 247. friction chart, 294,295 furnace systems, 247 high velocity, 273 jet pattern, 283 long slot, discharge from, 282 methods, 672 noise level, 284 outlet location, 247,248,236, 287,289 outlet performance, 282,283 outlets, 285 perforated panels, 232 principles, 278 radial jets, 281 railway car, 682 recommended velocity, 247,303 return and exhaust intakes, 289 return grille, 247,289,672 - room air motion, 278,284 selection, 286 smudging, 285 spread, 277,278 . standards for, 277 throw, 281,283 unit heater, 229' vanes, 283 velocity, 279,302,303- - velocity acres jets; 279-281 velocity profiles, 281 vertical drop, 284 volume control, 287,288 wall outlets, 247,285 Air filters, 333 Air pollution, 77 control, 77,342 -. Air requirements, 63,482,682 Air opening noises, 284,353 Air velocity, 247,277,303,719,722 cooling towers, GOO design, 303 Air washer, 1,610 Airborne matter, 76,77,333 Airborne infection, 90,93 control, 90,93 Aircraft air conditioning, 684 Allergic disorders, 100 apparatus; 100 asthma symptoms,' 1P0 hjy fever symptoms, 100 limitations of air-conditioning methods, 100 Altitude, pressure and temperature, 35. Anemometer, 1, 649,' 650 deflecting vane, 649 propeller, 649 Atmospheric conditions for industrial processes, 699705 cooling towers, 599 make-up water, 606. winter freezing, 607 impurities, 75 pollen, 90 pressure, 1 Atomic shelters, 93 Atomizing humidifiers, 609 Atomizing oil burner, 500,503 Attenuation, 346, 354 ducts, 354 duct branches, 357 elbows, 357 grilles, 358 Attic, attics fans, 321 location, 321 types, 321 temperature, 168 ventilated, 131' Automobile air conditioning, 684 Awnings, 205 Axial flow fans, 313,316 8 Bacteria, airborne, 90 . Baffle, 1,506 Bare pipe heat loss, 467r470 ' Barometer, 647 ,. Basement coefficients of transmission, IS heat loss, 170,171 temperatures, 170 Basementless houses, 170,250 Bernoulli equation, 37,40 Biochemical reactions control of rate of, 707 Bituminous coal, 479,481. firing methods, 481 ,. Blast heater, 1 Blow, 1,229 Body adaptation to hot conditions, 66 beat loss, 64,65 odor, 63 thermal interchanges, 64,65 ' Boiler, boilers, 515 care, 523 cast-iroa, 515, 520 cleaning, 522 combustion rates, 521 connections, 386,522 Hartford return; 388 return, 386 sizing, 387 steam, 386 construction, 515. design, 516 direct heater, 515 .. x Boiler, boilers (continued) efficiency, 518 erection, 522 fittingsr522 gas-fired, 505,515,521 gas-fired units, 505 conversions, 506 grate area, 521 heating, 515 heating surface, 1,516 heat transfer rates, 516 horsepower, 1 hot water, 515,516 hot water supply, 515,773 indirect fired, 516 load, 520 magazine feed, 515 maintenance, 522 oil-fired units, 501 operation, 522 output, 519 rating, 519,520 rating codes, 516 safety, 522 sectional, 515 selection of, 520 based on heating surface and grate area, 521 cast-iron, 522 estimated design load, 520 estimated maximum load, 520 gas-fired, 521 hot water supply load, 520,773 piping tax, 520 radiation load, 520 steel, 515, 516. 520 warming up allowance, 520,521 soot, 495 space limitations, 521 steam, 515 steel, 515,516,520 testing codes, 516,787 troubles, 522 ' types, 515 water treatment, 523,753 working pressure, 515 Bonnet furnace, 526 Boyle's Law, 16 British thermal unit (Btu), 1 Bucket trap, 389,390 Building, buildings condensation, 142-148 heat transfer through surfaces, 107 infiltration, 149,171,206 intermittently heated, 173 materials, heat transfer through, 107118,171 multistory, air leakage, 153 , Burner, burners (see also OH burners') Bunsen, 488 gas,506 oil, 499,502 Bus air conditioning, 633 Bypass, 385 factor,212 C Calcium chloride, 619 Calculated heat loss method, 546 Calorie, 1 Calorific value, .485, 4S7, 490 Carbon activated, 80-83,101,619,682 dioxide, 63, 80, 86, 482, 486, 488, 489, 491-493 monoxide, 63,88,482,491-493 Cast-iron boilers, 515 Ceiling cooling units, 239 Index to Technical Data Section filing {continued.) height, 168 outlets, 282, 285, 682 perforated, 282,286,682 unit heater, 228 Central air-conditioning system*, 269 accessibility, 276 . air quantity, 271 all air, 273 '___ apparatus dew point, 177,209 control, 269.637 cooling load, 177,271 corrosion, <ai design procedure, 269 dual duet, 273 temperature difference, 271 equipment arrangement, 269. equipment selection, 275 evaporative cooling, 274 fan and coil unita, 274 . fan system, 1,2B9 features. 269 heating load, 161,271 high velocity, 273, 285,305 humidity control, 270 individual room control, 270 induction unite, 272 high pressure type, 272 location of apparatus, 276,671 outdoor air, 269 precooling, 274 reheating, 270 selection, 274 sensible cooling, 274 summer only, 669 temperature differential, 271 unitary central types, 271 .year-round, 269 zoning, 270 Centrifugal compressors, 573 condensing unit, 573 fan, 313-315 Charcoal, 80-83,343 Charles' Law, 16 Chart air elimination, 374 air flow, unequal openings, 154 air friction, 294,295 airborne particulate matter, 76 air moisture content, 624 air washer conditions, 614 axial jet velocities, 280 chimney capacity, 532-536, .539 chimney draft, 531-536 chimney Sow, 532-636,539 color, 12 .s comfort, 72 compressor and coil performance, 579 correction for pipe roughness, 296,297 dehumidifier performance, 620,623,624 dew-point conversion, 626 diaaaap frequency, 94,95 draft required, 532 drying tune, 734 dust particle size. 76 .. economical thicknes pipe insulation, 473 edge 1088,436 effective diameter, 279 effective temperature, 71 elbow loss, 300,375,409 entrainment ratio, 282 estimating surface temperature, 435,438 evaporation rate, 736 expansion factor, 44 fan characteristics, 316,317 ' . fan sound level, 318,317,352,353 fan system characteristics, 317 Chart (continued) filter resistance, 336 firebox dimensions, 499. flow coefficients. 43,44 flow due to wina, 154 flow through opening, 154)155 flue area, 157 flue loss, 488,489 . friction air ducts, 294,295 .. friction factor, 39 frictioQ in pipes; 376, 381, 382, 405, 406, 408,427,767-769 fuel consumption, 510 - fuel oil index, 486 gas vents, 545 head due to temperature, 404 heat flow, glass, 165 heat emission by radiation from panels, 433 heat endurance, 67 ' heat loss body, 64,65,68,69 canvas surface, 472 coefficients, insulated ducts, 311 convection from panel, 434 duct, 311 insulated pipe, 479-472 insulation, 479-472 heat pump performance characteristics, 588 system balance. 588 temperature levels, 587 heat stress index, 711 humidity, 738 infiltration, 150 inside surface temperature, 435,436 insulation of cold pipe, 475 Langelier formula, 755 moisture loss from body, 69 motor characteristics, 659,661,663-665 MET elevation, 67 orifice coefficient, 42 orifice installation, 45 panel heat output, 433-436 permissible relative humidities for vari ous transmissoh coefficients, 143 pipe color classification, 12 pressure loss in ducts, 294,295 pressure loss in elbows, 300 pressure los in faucets, 768 pressure loss in meters, 769 psychrometric charts; 28, 30, 70, 738 persons at rest, 70 pump performance, 410 radial jet velocities, 280 radiation between black bodies, 58 radiation shape factor, 57 'refrigerant pressure-enthalpy, 560 refrigeration horsepower, 749 solubility of calcium salts, 754 solubility of gases, 753 sound attenuation. 357,358 sound pressure level, 348,350,360 static deflection, 364 static regain, 306,307 system characteristics, 317 thickness pipe insulation to prevent sweating, 475 velocity and velocity bead, 300 vena contracta location, 46 viscosity, air, 38 viscosity, water, 38 well water temperatures, 614 Chemical, laboratory hoods, 723 reactions, 707 control of rate of, 707 vitiation of air, 63, 78. water treating, 758,759,760,' 762 Chimney, chimneys, 531 available draft, 531,532,535 boiler connections, 522 construction details, 541 determining sizes, 534,537 effect, 1 efficiency, 539 factors affecting draft, 531,534 fireplace, 543 gas heating, 540 general considerations for, 539,542 incinerator, 541 industrial, 532-534 .. performance, 531-633 residential, 534,535 short, 536 sizes, 534,536,537 static draft, 531 theoretical draft, 531 Cinders, 77 Circular equivalents of rectangular ducts, 297-299 Cleaning boilers, 522 Climatic conditions, 161,178 Closed expansion tank, 415-418 sizing formula, 416. Coal, coals anthracite, 479-481 bituminous, 479-482 classification of, 479 combustion of, 481 draft required, 483,532 estimating consumption, 545,554,555 firing methods, 481-483 lignite, 481 Codes (see also Standard*), 787 installation, 787 National Building, 541 rating. 787 space heaters, 527 testing, 787 Coefficient of performance, 1,559,587 cooling, 1,588 .. heating, 1, 588 Coefficient* of tranzmision, 3, 103, 112- 132,134 basement, 132,169 floor, 132,170 wall, 132,169 ceiling and roof, 120, 122-132 Coils, 219,330 correction for insulation, 121 correction for framing, 131 doors, 133,134 floors and ceilings, 120,122-128,131 ' frame construction, 112,118; 120 glass, 133 glass block walls, 133 insulating materials, 109-111. masonry partitions, 119 masonry walls, 114-117 overall, 103. 330 formulas for calculating, 103,107 , practical, 107 ' roofs, 124-128,131 skylights, 133 windows, 133 wind velocity correction, 134 Coll, colls, 323 air Sow resistance, 329 applications, 327 arrangement, 323,325 bypas factor, 212 construction, 323 cooling, 324j 329 dehumidifying, 329,331 determining refrigeration load, 332