Document gvL9DkxVmvZBLk0BwOaNEmNJ

S !' L i i; \ w INDEX HEATING VENTILATING AIR CONDITIONING GUIDE 1949 Technical Data Section Chapters 1-52 and Pages 1-992 A Air (continued) Air (continued) classification of impurities, velocity across jets, 786 Abatement air pollution, 179 smoke, 8, 179 179, 648 dust, 648 lint, 648 cleaner, 243, 648, 928 vertical drop and rise, 792 volume control, 800 wall outlets, 796 duct design, 435, 446, 807 viscous impingement type, duct friction loss, 808, 906 648 dust concentrations, 182, 185, Abbreviations, 11 Absolute humidity, 6 pressure, 6 temperature, 9 aero, 1 Absorbents, 740 process, 740 temperature, pressure, concen tration, 741 oWning devices, 647 classification of, 647 installation, 654 maintenance, 653 performance, 651 safety requirements, 655 selection, 653 testing, 651, 660 vapor adsorption, 655 combustion, 333, 334 conditioning process, 55 186 excess, 335, 361 filter, 647 flow resistance of coils, 537 impurities, 179, 180, 215, 647 infiltration, 161 causes of, 161 due to wind pressure, 161 through walls, 162 leakage, 162, 263, 354 moist, 23, 24 contaminants, 179, 213, 215 motion, 222, 227, 793 cooled movement, influence of, 222 ! Absorbers duct sound, 843 outlet, 847 plate cells, 846 plenum, 845 Absorption systems, 740, 762 Acceleration, 1 Acclimatisation, 220 Acoustics, 837 Activated alumina, 736 Activated carbon, 655, 929 Activated bauxite, 737 Adiabatic, 1 mixing injected water, 59 two air streams, 57 saturation, 59 condensers, 769 cooling, tropics, 236 current measurement, 204 dehumidification, 735 distribution, 433, 443, 783, 807, 857, 927, 937 air entrainment, 785 application of methods, 798 balancing the system, 800 ceiling outlets, 796 definitions, 784 duct approaches to outlets, 800 flow patterns, 799 furnace systems, 433, 443 guide vanes, 791 induction, 785 ' jet pattern, 786 movement, measurement of, 199 outdoor, 179, 857 physical impurities in, 179,215 pollution, 179, 647 abatement, 183. 896 quantity required, 214, 334 refrigeration cycle, 760 room motion, 444, 793 saturated, 1 secondary, 342 space conductance, 123 standard, 1 sterilization of, 190, 233, 239 supply and return openings, 783 supply opening noise, 795, 849 ' mechanics, 785 temperature requirements, momentum theory, 785 223, 229. 233E 250, 938 Adsorbents, 735 process, 737 temperature, pressure, con centration, 738 Adsorption, odor, vapor, 183, 655, 735 Aerosol, 1 outlet location, 797 outlet performance, 793 outlets. 795 parallel slots, 787 railway car, 928 recommended velocity, 444, 822 return and exhaust intakes, theoretical requirements, 215, 241, 333, 939 thermodynamics of, 23 unit cleaning devices, 647 washers, 1, 709 Air change method computing infiltration, 161, 263 f 803 room air motion, 793 Air spread, 790 change measurements, 204 standards for, 783 Air Conditioning, 1 chemical vitiation of, 213 circulation, 929 circulation in drying, 913 throw, 788 vanes, 791 velocity, 801, 904 ' aircraft, 933 automobiles in summer, 933 central system, 857 XI : /A