588 CHAPTER 25 1953 Guide REFERENCES 1 See National Association of Fan Manufacturers standard definitions in Chapter 32

636' CHAPTER 28 1953 Guide pess than that determined by the use of Fig. 6. .

904 CHAPTER 41 < 1953 Guide permissible velocity becomes that corresponding to a total sound level of 36.3, or approximately 800 fpm.

922 CHAPTER 42 1953 Guide '' although there may be some penalty on efficiency, operating or maintenance. ' expense, or overall performance. . ,: Indoor temperatures usually specified are shown in Table 2 of Chapter 12, subject to the indicated notation concerning effect of radiant or panel heating.. : Moreover, . allowance is required for radiation effect of cold surfaces if there are large windows, and for the continuing trend.toward, adoption of higher indoor temperatures.

976 CHAPTER 45 1953 Guide ^ Design of Dilution Systems - The first step in the design of a system employing the dilution method is to determine as exactly as possible the nature and extent of the contami nating load.

1012 CHAPTER 47 '1953 Guide Table 1 gives1 an 'approximate classification of materials which are most likely to obey Equations 19 and 20. .................................. .. ' ' -i' Equations 18 and 20 hold for crossrcirculation drying.

INDEX HEATING VENTILATING AIR CONDITIONING GUIDE 1954 Technical Data Section Chapters 1"52 and Pages 1-1128 A Abatement air pollution, 151, 154 smoke, 8, 155, 326 -Abbreviations, 11 Absolute humidity, 5 pressure, 7 temperature, 9, 30 aero, 1, 30 Absorbents, 861, 866 equipment, 867 process, 866 temperature, pressure, centration, 866 con Absorbers, 769 duct, sound, 914 outlet, 919 plate cells, 917 plenum, 919 Absorption systems, 839 Acceleration, 1 Acclimatisation, 118 Acoustics, 905 Activated alumina, 862 Activated carbon, 148, 1054 Activated bauxite, 863 Adiabatic, 1 mixing two air streams, 57 saturation, 60 Adsorbents, 769, 861. equipment, 865 process, 863 temperature, pressure, con centration, 861 Adsorption, odor, vapor, 156, 762 Aerosol, 1, 134, 151 Air change measurement, 1111 change method, 222, 256 chemical vitiation of, 111, 152,156 circulation, 112, 451, 461, 653, 697, 1052 circulation in dry, 1042 classification of impurities, 151, 752 dust, 151, 752 lint, 151, 752 cleaner, 151, 751, 1052 viscous impingement type, 753 cleaning, 751 cleaning devices, 751, 769, 770 charged media. 756 classification of, 751 electrostatic, 768 installation, 760 maintenance, 759 performance, 757 safety requirements, 761 selection, 759, 763 testing, 757 vapor adsorption, 762 combustion, 347, 348 conditioning process, 653, 977 Air {continued) contaminants, 111, 151, 164, 752, 1003, 1116 cooled condensers, 848 coolers, 597, 601 cooling, tropics, 136 current measurement, 1110 dehumidification, 861 distribution, 451, 461, 667, 669, 1052, 1058, 1061, 1096 air entrainment, 679 application of methods, 693, 1052 balancing.the system, 688 ceiling outlets, 685 definitions, 667 design methods, 715 directional control, 690 duct approaches to outlets, 453, 689 entrainment ratios, 679 flow patterns, 689 friction chart, 698, 699 furnace systems, 451, 461 guide vanes, 462, 482 ' jet pattern, 681 long slot, discharge from, 677 noise level, 683 outlet location, 462, 463, 686, 692 outlet performance, 681, 687 outlets, 670, 684 perforated panels, 677 principles, 669 radial jets, 676 railway car, 1052 recommended velocity, 462, 714 return and exhaust intakes, 692 922 return 'grille, 451, 453, 922 room air motion, 669, 683 selection, 686 smudging, 684 spread, 668, 670 standards for, 668 throw, 675, 681 vanes, 681, 682 velocity, 577, 671, 714 velocity across jets, 672, 673, 675 velocity profiles, 675 vertical drop and rise, 682 volume control, 689, 691 wall outlets, 462, 684 duct construction, 722, 1015 duct design, 464, 697, 713, 724, 1010 duct friction loss, 697 dust concentrations, 155, 160, 161 excess, 330, 344, 348, 377 filter, 753, 760 flow measurement, 78, 1105 flow resistance of coils, 811 impurities, 113,151, 752 infiltration, 217 causes of, 218 due to wind pressure, 218 through walls, 218 leakage, 217-222 moist, 25 ' XI Air {continued) motion, 122 movement, influence of, 117 movement, measurement of, 1105, 1109 outdoor, 112, 653 physical impurities in, 113, 151, 155, 752 pollution, 151, 155 abatement, 155, 326, 1003 primary, 328,`344 quantity required, 112, 347, 348, 1053, 1055 refrigeration cycle, 836 room motion, 669, 683 saturated, 1 secondary, 328, 344, 377 space conductance, 170, 180 standard, 1 sterilization of, 132, 142 supply and return openings, 452, 463, 684, 692 supply opening noise, 683, 919 temperature requirements, 122, 126, 247, 266, 978, 988, 1061 theoretical requirements, 112, 346, 348, 1062 thermodynamics of, 23 unit cleaning devices, 751, 773 washers, 1, 773 Air change method computing infiltration, 220, 255 Air conditioning, 1 aircraft. 1057 automobiles in summer,-1057 central system, 653, 1093 comfort, 2 hospitals, 131-148 humidity, table, 978 industrial, 977 atmospheric conditions re quired, 267, 978-988 calculations, 993 general requirements, 977 problem classification, 977 typical applications, 977 owning and operating cost, 967 passenger bus, 1056 processes, 54 adiabatic mixing , 57 adiabatic saturation, 60 cooling, 55 heating, 54 v railway passenger car, 1051 residential, 1091 ship, 1060 stoker-fired units, 358 storage systems, 841 streetcar, 1055 summer design conditions, 266, 267, 269 temperature table, 266, 269, 978 transportation, 1051 treatment of disease, 131 unit, 591

122 C--H--A--P-T--E--R--6 1954 Guide EFFECTIVE TEMPERATURE INDEX AND COMFORT ZONES There is no precise physiologic observation by which comfort can be evaluated.

144 CHAPTER 7 1954 Guide ing in ice are dangerous procedures, since loss of the limb usually results.

348 CHAPTER 14 1954 Guide; 44' .Where1 approximate results only are desired,'values appearing in Table 8 may be substituted for Equations 2, 3, and 4; or the air required for perfect combustion may be estimated by assuming that 0.9 cu ft air is required per 100 Btu of fuel.

350 CHAPTER 14 1954 Guide fcion efficiency is not always obtained when sufficient excess air is supplied to eliminate incomplete combustion entirely, because the air supply must not only be adequate but also be properly mixed with the combustible gases.

622 CHAPTER 27 1954 Guide The material used for valves of small size is generally brass or bronze for low pressures and forged steel for high pressures, while in the larger sizes either cast-iron, cast-steel or some of the steel alloys are employed.

652 CHAPTER 29 1954 Guide customers having a high load factor (relatively low demand), and those having a low load factor (relatively high demand).

662 CHAPTER 30 1954 Guide tion.

1054 CHAPTER 48 1954 Guide from the air by mechanical separation; finer materials, by electrostatic action.