Document G5bbzNwDeY25MZm0w8915eMpY

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Central air conditioning systems (continued) induction units. 415 modifications. 395 outdoor air, 399 precooling, 417 reheating, 411 run-around, 417 selection, 396 .zoning, 412 Centrifugal, compressors, 485 condensing unit. 487 fan, 581 separators, 577 Charles' law. 4 Chart apparatus dew-point, 405 area and weight of rectangular ducts, 627 coal fuel burning rate, 222 comfort. 53 dew-point, 405 economical thickness pipe insulation, 784 effective temperature, 57 friction air pipes, 612 friction heads in black iron pipes, 314 gas fuel burning rate, 224 heat emission by convection from panels. 810 radiation from panels, 809 heat loss from body, 51 coefficients insulated ducts.-786 insulated pipe. 776, 777. 778' heating values of fuel oil, 754 humidity in drying work. 748 inside wall-temperatures. 807 loudness, 604 . loss of pressure in elbows. 615 maximum flow plumbing fixtures, 816 Mollier diagram, 23 oil fuel burning rate, 223 permissible relative humidities for various transmission coefficients, 113 pressure drop for rates water flow, 818 rectangular equivalents of round ducts, 614 psychrometric chart, persons at rest, 56 - solar intensity. 144 sound attenuation, 640 surface area human body, 52 surface conductances, 87 thickness pipe insulation prevent sweating, 780 volume. 21 well water temperatures, 544 Chemical laboratory hoods, 734 . reactions. 724 control of rate of, 724 vitiation of air, 37 Chimney, chimneys. 179. characteristics of, 182 construction details. 196 determining sizes, 187 effect. 832 . gas heating, 195 general considerations for domestic. 194 Cinders. 567 Circular equivalents of rectangular ducts,-613 Circulators, 310 Circumference of circles, 855 Classification, coals. 165 cokes, 168 gas. 175 oils, 173 stokers. 200 Cleaning boilers, 250' Climatic conditions, 130 Cloth filters, 541, 577 ,t Closed expansion tank. 324 Coal, coals, anthracite. 167 bituminous, 168 classification of, 165 Coal (continued) dustless treatment, 173 estimating consumption, 232 fuel burning rate chart, 222 lignite. 168 * pulverized, 172 Coefficients of transmission, 83. 838 basements. 112 doors. 111 floors and ceilings, 105, 106' frame construction, 102 glass block walls. Ill masonry partitions, 104 masonry walls, 98 roofs, 108, 110 skylights. 111 unheated rooms, 112 .windows, ill Coil, coils, air flow resistance, 519 applications. 517 arrangement, 510 construction, 510 direct-expansion, 513 dry cooling, 417 efficiency, 524 flow arrangement, 516 . heat transfer surface, 509 - performance, 520 cooling, 520 dehumidification, 524 heating. 520 selection, 532 cooling, 534 dehumidifying, 534 heating, 533 . steam. 512 water, 512 Coke, classification of, 168 estimating consumption, 232 firing methods, 172 Cold therapy, 704 Collectors, 737 cloth filters. 738 Combustion, 157, 705 analysis, 681 gas, 175 .. heat of, 159 oil. 173 principles of. 157 smokeless, 239 Comfort, air conditioning, definition, 838 ' air conditioning systems, 393 chart, 53 line, 838 ............... summer, 62 zone, 838 Commercial oil burners. 209 Compartment driers. 742 Compound wound motors, 683 Compressor, compressors. 484 centrifugal, 485 reciprocating, 484 refrigeration, performance of, 531 steam jet. 487 meters, 335 ' .Condensation, buildings, 112 - interstitial, 113 ; ^ return beating systems, 274 return puthps, 279 surface, 113 Condensers, 493 air cooled. 493 design data. 547 evaporative, 495 water cooled. 494 Conductance. 84, 838 air space, 87. 88 building materials, 93 insulators, 93 \ XU ALPHABETICAL INDEX TO TECHNICAL DATA SECTION Conduction, 67. 838 drying methods, 743 electric heaters, 790 equation. 69 . steady-state solutions. 76 Conductivity, 69, 84, 838 bat type insulation, 95 building boards. 96 building construction, 96 building materials, 93 homogeneous materials. 86 insulating materials, 779 insulation blankets, 95 -, insulators. 93 loose-fill insulation, 95 masonry materials, 93 plastering materials, 96 reflective insulation, 88 rigid insulation, 96 roofing construction. 96 semi-rigid insulation. 95 woods. 97 Conductor, 838 Conduits for piping. 327 Constant speed motors. 684 . Control, controls, all year conditioning units, 665 automatic, 385, 647 fuel appliances, 666 temperature. 340 central fan systems. 652 all year system, 659 , cooling cycle, 656 dehydrators. 658 direct dehumidifiers, 658 economizer. 661 heating cycle, 654 humidification, 655 limit, 662 refrigeration. 658 ... * ' ventilating, 652 "y'J. cooling units, 664 dehydrating equipment, 475 direct current motor, 693 draft, 179 economizer, 661 electric, heating. 797 electric systems, 648 equipment for motors, 691 fan, 593 ,* gas burner, 667 - gas-fired appliances, 213 ' . :- humidity, railway cars, 712 _ v individual room, 649 L, ; * intermediate, 649 ' '.:- modulating, 649 motion of equipment, 648 " motor, 683 - .. r: multi-speed motor, 694''*'' - odor, 578 oil burners, 213, 667 ` '* pilot. 692 * ': 1 pneumatic systems, 648 positive acting, 649----------------- --------- --- . rate of biochemical reactions. 724 rate of chemical reactions. 724 rate of crystallization;*726--------------------- regain. 720 ..... . . refrigeration equipment^ 669^V ' compressor type,f'669"-` -- ice cooling, 670 vacuum refrigeration, 670 well water, 670 .. . residential systems, 668.,.. Vy* I; 1 self-contained system's^GM*^-;/,''/^' service water temperature; 835 ' vts: single phase motor, 696 *`:v 'j '7 ''7 single thermostat, 650 slip ring motor, 695 small buildings, 649 r,"` ,\1'' : squirrel cage motor, 693 , ,v : 71' static pressure, 662 ............" ' 1' ' 7,!J stoker. 206, 668 " * two-position control, 649 ' ; ` r:L!u Control (continued) unit heaters. 663 unit systems, 663 unit ventilators, 664 valves, 302 ventilator, 767 zone. 650 Convection, 67, 838 drying methods, 743 equation, 70 unit conductances. 78 Convector, convectors, 261, 838 - heat emission. 253 heating effect, 257 heating-up, 259 selection, 263 - Conversion burners, 216 equations, 847 Coolers, 496 *- * .. *. Cooling, 461 air conditioning units, 445 y,'. . .. coil selection, 532 cycle control. 656 definitions and methods, 461- /r evaporative, 416,462 , " load. 139,400 .7 ... surfaces, 88. 843 . performance of coils. 520 ponds, 549 ..u-. * residential, 391 7, . sensible, 417 7 -' 7 tower ;' ."r ". design. 552 performance, 559 . . .. ' units. 456 `' control, 664 , l defrosting, 458 '7 '. features of. 457 . ' . ratings. 458 types of, 457 Cooling ...it- j.... .7 j" evaporative. 416, 462 * load, 32. 139 , : r( ... .. . !/ methods, 391 ` systems. 393, 461 unit, 443 ............. ...... t Copper, ,-v.> elbow equivalents. 316 - . r'. tubing, radiating surface, 775 Core area, 595 .* .. ..n . Corrosion. 362 i.t< , industrial exhaust systems, 739* ' 'j Crack length, .. -used for computations. 121 ', Crystallization. > control rate of. 725 >*; Cyclones, 577 .`.n; Cylinder drier, 742 - D Dairy barn ventilation, 768 Dalton's law, 8 ; ' Damper, dampers. 384, 595;.'"M-ioir-?;-.. back pressure control, 663 * Decibel. 603. 629 Defrosting, 458 Degree day. 225, 792 formula for, method, 226 unit fuel consumptions. 226 r: Degree of saturation, 19, 792 j-s.'.R Dehumidification, 461, 838 air conditioning.units, 445 control. 658 definitions and methods, 461- Dehydrating agents. 463 . Dehydration, 461, 839 ; coil selection; 532 . ' *' * : ,; Xlll )