Document Z4vz2ygndg9n5XzxqRyYdLbLL

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 Supply opening, 529 {.see Grilles and Registers) ceiling type, 542 . selection of, 540 types of, 541 wall type, 542 Surface. condensation, 92 conductance, 86. 781 thermostat, 650 Sweat secretion, 53 Swivel joints, 334 Symbols for drawings, 787 Synchronous motors, 677 Systems, of control, 652 hot water heating, 778 T Tank, tanks, expansion, 325 storage, sires, 756 water storage, 710 Temperature, 1, 45 absolute, 717 attic, 129 automatic control, 740 barn, 647 base for degree-day, 231 body, 49 British equivalent, 717 ceiling, 130 cheek, 54 chimney gas, 184 control for railway cars, 588 dew-point, 3, 777 distillation, 174 dry-bulb. 2, 128, 142, 777 drying, 624 effective, 54, 60. 70, 129, 777 effective coil, 476 flame, 160 flash point, of oil, 174 floor level, 131 gaseous flame, 176 heating design, 134 ignition, for fuels, 158 for industrial processing, 596 inside. 127, 129 mean radiant. 67, 716 measurement, 763 operative, 51 outside, 127, 131 pour point, of oil, 174 prematurely born infants, 65 rectal, 54 thermal interchanges, 49 wall, 70 water main, 494 well water, 496 wet-bulb. 2. 142, 498, 782 Temperature-entropy diagram, 435 Test instruments. 763 Test methods, 763 Therm, 781 Thermal, conductance, 86 conductivity, 86 interchanges of body, 49 resistance, 781 resistivity, 781 transmittance. 86 Thermocouple, 764 Thermometers, 763 alcohol, 763 dry-bulb, 75 globe, 75. 724, 773 Kata, 75, 769 Thermometers (continued) mercurial. 763 resistance, 765 stem correction, 764 Thermostat, thermostats, 369, 650, 781 immersion, 650 insertion, 650 pilot, 655 room, 650 surface, 650 Thermostatic traps, 285 Tilting traps, 286 Time lag, 146 Tip speed for fans, 523 Tobacco, drying, 601 smoke, 46, 505 Ton of refrigeration, 435, 781 Ton day of refrigeration, 781 Total heat (see Enthalpy) of air, 22 Total pressure, 781 Tower drier, 620 Towers, make-up water, 503 mechanical draft,' 502 natural draft, 501 ' spray cooling, 501 winter freezing, 503 Toxicity of gases, 85 Transmission coefficients. 85 Transmittance of vapor, 92 Trap, traps, 284 air, 284 - automatic return, 273, 285 bucket, 285 float, 284 impulse, 285 separating, 284 thermostatic, 285 tilting, 286 Treatment of disease, 573 Trunk ducts, 553 Tube, Pitot, 767 radiation, 781 Tunnel drier, 620 Tunnels, pipe, 730 Turning members, 536 Two-pipe system, 781 U Ultra-violet light, 48.-82, 576 Underfeed distribution system, 781 Underfeed stoker, 781 Underground, conduits, 727 pipe insulation, 703 Unit, units, 781 air conditioners, 41T application, 420 cooling, 413 costs, 427 dehumidifying, 413 filtering, 414 heating, 412 humidifying, 412 rating basis, 423 types of, 415 ventilating,. 414 all year control, 663 control systems, 660 coolers, 411 defrosting. 426 ratings, 426 types of, 425 XXII ALPHABETICAL INDEX TO TECHNICAL DATA SECTION Units (continued) , cooling control, 661 direct-indirect- heating, 777 electric heaters, 707 filters, 509 heater, 393 application 401 capacity of, blow-through, 398 draw-through. 399 boiler capacity, 397 connections, 304, 397 control, 661 direct-fired, 403 electric, 403 ratings, 396 turbine driven, 403 types of, 395 humidifiers, 393, 409 types of, 409 of noise measurement. 561 of refrigeration, 435 ventilator, 393 applications, 407 capacities of, 405' control, 662 ratings, 404 specifications, 403 Up-feed system, 782 V Vacuum condensation meter, 736 drier, 620 gage, 766 heating pumps, 281 controls, 283 heating systems, 274, 287, 782 Valves, 343 angle, 344 automatic, 344 check. 344 control. 303, 651 globe, 344 pipe allowances, 746 reducing pressure, 302, 344, 731 . olenoid, 651 Vapor, 77 barrier, 93 heating systems. 782 limits of inflammability, 79 threshold limits of, 617 travel, 92 \ water, 1 Varying speed motors, 671 Velocity. 782 head. 543 wind effects, 131 pressure, 782 Ventilation, 45. 782 for air conditioning units; 414 dairy farm, 647 fans, 523 garage, 647 heat removal. 644 natural, 639 passenger car, 585 Ventilator, ventilators, oscillating, 643 roof, 641, 780 control, 643 rotating, 643 stationary, 643 unit, 403 window, 408 Venturi meter, 768 Vertical flues. 643 Vibration from machine mountings, 565 Viscosity of lithium chloride solutions, 42 Vital factors, 75 Volume, dampers, 368 furnace, 173 of refrigerants, 32 specific, 780 Volumetric efficiency, 436 W Wall,-walls, air leakage, 118 radiator, 258 solar radiation, 143 temperatures, 70 Warm air heating systems, 349, 363, 782 gravity, 349 mechanical, 363 Warming-up boiler allowances, 247 Washers. 512 Water. 1, 37 boiling point of, 30 coils, 462 composition of, 26 cooled condenser, 441 cooling, 443 equipment, 493 density of, 26 disc meters, 747 heating, 741 heating domestic supply. 710 main .temperature, 494 pressures, 30 properties of, 26 specific heat of, 30 supply piping, 741 down-feed risers.' 745 horizontal mains, 748 overhead distribution, 748 up-feed risers, 746 vapor, 1 mean specific heat of, 7 properties of saturated, 12 Welding, 327, 338 Well water refrigeration control, 668 . Well water temperature. 496 Wet-bulb temperature, 498, 782 (see Temperature) Wet return, 782 Wind, forces due stack effect, 640 forces in natural ventilation, 639 velocity and direction, 142 velocity effects, 131 velocity selection, 122 Window, windows, 113 air leakage. 120 for natural ventilation, 641 solar heat transmitted, 149 Winter comfort zone, 61 Wrought-iron pipe, 327 Wrought-steel pipe, 327 X-Y-Z Zone for air conditioning systems, 389 of body cooling, 51 control, 654 of evaporative regulation, 50 heating system control, 279 XXlll