Document mmNJ9bK5jv1a64BmXYVvXrObB

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 Infiltration heat equivalent. 109 nature of air, 101 through walls, 102 Inside temperature, 113 Instruments, 627 Insulation, 795 boiler, 238 duct, 727 low temperature, 741 pipe, 727 economical thickness of. 745 to prevent freezing, 744 underground, 747 Intermittently heated buildings, 119 Interstitial condensation, 98 Ionization, 40 Iron elbow equivalents, 298 Isobaric. 795 Isothermal. 795 J-K-L Kata-thermometer, 633 Latent heat, 795 loss, 109 Laws of thermodynamics, 795 Leakage of air, 101 Light heat gain, 137 Lignite. 154 Liquid adsorbents, 430 heat of, 794 Lithium chloride, 430 Load cooling, 32, 125 design, 793 heating. 111 maximum, 793 Loudness, 565 level. 592 M Manometer, 795 Mass, 795 Mb, 795 Mbh, 795 Mean radiant temperature, 764 Mechanical equivalent of heat. 795 circulators, 292 draft, 166 towers, 516 furnace systems, 359 air distribution, 363 cooling methods, 371 dampers, 364 ducts, 365 fans, 362 filters, 362 heavy duty, 369 methods of design, 365 motors, 362 sound control, 362 refrigeration, 443 stokers, 183 Meter, meters condensation, 317 differential, 316 flow, 317 fluid, 316 NichoUs' heat, 637 orifice, 317 plug, 317 positive, 316 sound level, 592 vacuum condensation. 318 Venturi. 632 water disc, 775 Methyl chloride, 447 Micromanometers, 631 Micron, 795 Microphone, 592 Moist air, 8 saturation, 9 volume, 20 Moisture, 701 content. 677 regain, 677 Mol, 795 Mollier diagram, 23 border scale, 31 Monofluorotrichloromethane, 450 Motor, motors, 639 adjustable speed, 640 alternating current, 641 capacitor type, 642 compound wound, 639 constant speed, 640 control equipment for, 647 direct current,'639 . electric, 119 heat generated by, 137 polyphase, 643 repulsion induction, 642 selection of, exhaust systems. 695 series wound, 639 shunt wound, 639 single phase, 642 . speed characteristics, 640 split phase, 643 squirrel cage induction, 643 Mouth spray infection, 39 Multiple blade fans, 552 Natural draft, 165 towers, 515 Natural ventilation, 717 air flow measurement, 724 general rules, 723 heat removal, 722 Noise, noises acceptable levels, 593 air supply opening, 564 apparatus for measuring, 592 through building construction, 595 control through room wall surfaces, 596 created by equipment, 594 estimating required reductions, 599 kinds of, 594 predicting levels. 600 transmitted through ducts, 597 unit of measurement, 591 xvill ALPHABETICAL INDEX TO TECHNICAL DATA SECTION Nurseries for premature infants, 657 air conditioning equipment, 658 air conditioning requirements, 657 *---------------- -------------------------------------------------- :------O Occlusion of solar radiation, 530 Odors, 38 human body, 38 Oil, oils classification of, 159 combustion of, 159 estimating consumption, 216 - fuel burning rate chart, 209 Oil burners, 192 boiler settings, 196 combustion adjustments, 198 combustipn process, 196 commercial, 195 controls, 199, 623 domestic, 192 furnace design, 197 measurement of efficiency of combustion, 198 mechanical draft. 194 operating requirements, 194 One-pipe supply riser, 795 One-pipe system gravity air-vent, 274 notes on, 277 hot water, 795 steam, 795 Openings types of, 719 doors, 719 roof ventilators, 719 controls, 721 skylights, 719 stacks, 721 windows, 719 Operating rooms, 653 conditions, 655 reducing explosion hazard, 653 sterilization of air in, 656 Operative temperature, 43 Orifice heating systems, 260 Orsat apparatus, 637 Outside temperature, 115 Overhead distribution, 312 Overhead system, 791 Oxygen chambers, 663 tents, 663 therapy, 662 Ozone, 40 Per cent of saturation, 19 Phon, 591 Physical impurities in air, 40 Physiological principles, 37 four vital factors, 68 Pilot controls, 648 Pipe, piping, 323 commercial dimensions, 324 conduits for, 309 connection to heating units, 284 corrosion, 342 expansion, 328 flexibility, 328 hangers, 332 hot water heating systems, 291 inside. 313 insulation, 727 economical thickness, 745 heat losses from bare, 732 heat losses from insulated, 736 underground, 747 materials, 323 overhead distribution, 312 sizes, 270, 308 equivalent length of run. 222 high pressure steam, 282 hot water forced circulation, 292 hot water gravity circulation, 301 for indirect heating units, 285 initial pressure, 270 maximum velocity, 270 orifice systems, 279 pressure drop, 270 refrigerant, 461 sub-atmospheric systems. 279. tables for, 274 two-pipe gravity air-vent system, 278 two-pipe vapor systems, 278 vacuum systems, 279 water supply systems, 77fr steam distribution, 307 for steam heating systems, 267 supports, 332 symbols for drawing, 803 tax, 229 thread connections, 334 threads, 331 tunnels, 312 unit heater connections, 393 water supply, 769, 773 Pipe coils, 239 heat emission, 241 wall, 240 Pitot tubes, 631 Plenum chamber, 795 Pneumatic control systems, 604 Pollution of air, 525 Polyphase motors, 643 Ponds, 513 Potentiometer, 795 P Panel heating, 759 electric, 764 hot water, 762 steam, 762 warm air, 762 Panel radiator, 795 Panel warming, 795 Power, 795 drier, 698 Precipitators, 540 Premature infant nurseries, 657 air conditions. 657 equipment, 658 humidity, 658 Pressure absolute. 791 atmospheric, 791 . -- XIX