HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 thereby withdrawing the valve from its seat.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 Electric steam boilers are useful in industrial plants which require limited amounts of steam for local processes, and also for sterilizers, jacketed vessels and pressing machines which need a ready supply of steam.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Individual cases may deviate widely, but the tabulation given herewith will serve as a guide to usual heating practice: Air Face Velocity--500 to 800 fpm face, 500 being a common figure.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1942 general class can be made to perform the same duty, although mechanical difficulties, noise or lack of efficiency may limit the use to one or another type.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 general long radius elbows and gradual changes in shape tend to maintain uniform velocities accompanied by decreased turbulence, lower resistance and a minimum of noise.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 COMBINED FORCES OF WIND AND TEMPERATURE - Equations for determining the air flow due to temperature difference and wind have already been given.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 With flat plate panels it is common practice to use a frame of plaster, wood, metal or composition to allow for expansion.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Cooling (continued) " ponds, 543 residential, 394 sensible, 417 surfaces, 92 systems, 395, 457 tower design, 546 tower performance, 553 units. 452 control, 662 defrosting, 454 design. 452 performance, 452 ratings, 454 types of, 453 Copper elbow equivalents. 317 tubing, radiating surface. 779 Core area. 590 Corrosion. 366 air washers, 368 industrial exhaust systems, 746 pipe, 366 Crack length used for computations, 121, 128 Crystallization control rate of, 728 Cylinder dryer, 746 D Dairy barn ventilation, 772 Dalton's law, 8 Damper, dampers, 386, 590 back pressure control, 661 Decibel. 625 Defrosting, 454 Degree day, 230.796 formula for, method, 234 operating unit. 239 unit fuel consumptions, 234 Degree of saturation, 19, 796 Dehumidification, 457, 844 air conditioning units, 443 control, 656 definitions and methods, 457 Dehydrating agents. 459 absorbents, 459, 462 adsorbents. 459 Dehydration, 457, 844 , coil selection. 526 controls, 656 definitions and methods, 457 economics, 472 economic comparisons, 473 equipment, 470 auxiliaries, 470 performance, 471 estimating loads. 469 liquid methods, 469 . ..

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 V Vacuum , cooling unit* 484 heating pumps, 282 control. 283 piston displacement, 284 heating systems, 276, 849 down-feed, 278 " unit heater connection, 433 Vacuum dryer, 746 Valve, valves. 365 angle. 366 automatic, 365 check, 365 control, 304 expansion, 488 flow. 289 gate. 365 globe, 365 reducing pressure. 301, 365 Vane, vanes, 593 Vaned outlets, 596 Vapor, vapors . heating system, 850 unit heater connection, 433 pressure, 850 ' Vaporizing oil burner, 216 Velocity, 850 exhaust grilles, 600 method duct design. 616 pressure, 850 return grilles, 600 Ventilation, 850 air conditioning units, 443 (Jairy barn. 772 garage. 773 hospitals, 702 natural, 765 general rules, 771 passenger bus in summer, 715 physiological objectives of, 65 railway passenger car, 711 state codes, 862 symbols for drawing, 859 .

HEATING VENTILATINC AIR CONDITIONING GUIDE 1943 design becomes a less critical matter.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 maintained in the heating element.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 REFERENCES A.S.H.V.E.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 Table 16.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 organic and inorganic materials when in equilibrium at a dry-bulb.tem perature of 75 F and various relative humidities.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1944 838 Fig, 1.