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HEATING VENTILATING AIR CONDITIONING
GUIDE 1951
Technical Data Section Chapters 1--50 and Pages 1--1048
A
Abatement air pollution. 157 smoke, 8, 135, 157, 161,
Abbreviations, II
Absolute humidity, 5 pressure, 7
temperature, 9, 41 zero, 1, 41 Absorbents, 813, 818
process, 813 ' temperature, pressure,
centration, 818
con
Absorbers
duct sound, 874, 876.
outlet, 879
plate cells, 877
plenum,-879
v.
Absorption systems, 791, 813
Acceleration, 1 -
Acclimatization, 124 .
Acoustics, 865
Activated alumina, 613, 814
Activated carbon, 154, 813, 984
Activated bauxite, 813
Adiabatic, 1.
,
mixing
two air streams, 63
saturation, 66
Adsorbents. 813 process, 815 temperature, pressure, con centration, 816
Adsorption, odor, vapor, 157, 813, 964
Aerosol, 1,138,157
Air .
change measurements, 1032 change method, 218, 249 ~ chemical vitiation of, 117, 162 circulation, 118, 429, 439, 615,
63I,;655t982 ` circulation m drying, 974
classification of impurities, 157, 710
dust, 157, 710 lint, 157, 710 cleaner, 151, 71s, 983
viscous impingement type,. 710
cleaning, 709
Air (continued)
cleaning devices, 709 . classification of, 709 .
installation, 716 maintenance, 715 performance, 713 safety requirements, 717 . selection, 715 testing, 713 vapor adsorption, 717 combustion, 328,337, 340 conditioning process, 615, 927 contaminants, 117, 157, 939,
1037 cooled condensers, 799 eooling, tropics, 142 current measurement, 1032 'dehumidification, 813 distribution, 429,439, 631, 657,
982, 988 air entrainment, 633 application of methods, 651,
982 balancing the system, 646 . ceiling outlets, 644 definitions, 632 duct approaches to outlets,
431, 647 flow patterns, 647 - friction chart, 656, 657 furnace systems', 429, 439 guide vanes. 440, 639 induction, 625, 632 jet pattern, 634 mechanics, 633
momentum theory, 633 outlet location, 644.
outlet performance, 641 outlets, 643 parallel slots, 635 railway car, 982 - recommended velocity, 440,
672 return and exhaust intakes,
650 room air motion, 640, 642
spread, 638 -standards for, 631 throw, 636
vanes, 639
velocity, 546, 548, 631. velocity across jets, 634 vertical drop and rise, G40 volume control, 649 wall outlets, 440, 644 duct construction, 680, 948 duct design, 442, 671, 948 duct friction loss, 655, 674 . dust concentrations, 161, 166
XI
Air (continued)
excess, 329, 340, 361 filter, 709
flow resistance of coils, 761 impurities, 119, 157, 709 . infiltration, 213
causes of, 213 due to wind pressure, 213 through'walls, 214 leakage, 213, 234, 338 moist, 25 motion, 128, 631 movement, influence of, 123 movement, measurement of,
1027, 1032 outdoor. 118, 615 physical impurities in, 119,
157, 161, 709 pollution, 157, 161
abatement, 161, 335, 939 quantity required, 118, 328 refrigeration cycle, 788 room motion, 640, 642 saturated. 1 secondary, 330, 336, 361 space conductance, 176,186 standard, 1 - sterilization of, 138 supply and return openings,
429, 439, 641, 643 supply opening noise, 650, 879 temperature requirements,
129, 132,258, 991,992, theoretical requirements, 118,
327
thermodynamics'of, 23 - unit cleaning devices, 709, 725
washers, 1 Air change method
computing infiltration, 218, .. ' 248
Air conditioning. 1 aircraft, 987
' automobiles in summer, 987 central system, 615 comfort, 2 hospitals, 137-154 humidity, table, 928 industrial, 927 atmospheric conditions re quired, .927
calculations, 934 general requirements, 927
problem classification, 930. typical applications, 930
owning and operating cost, 917 - passenger bus in summer, 986