Document a4Eo67EyaN62ONRDq9VEkXZeX

* Heating Ventilating Air Conditioning Guide 1957 Chart air elimination, 618 air flow unequal openings, 250 air friction, 784, 785 airborne particulate matter, 153 axial jet velocities, 758 chimney capacity, 438, 439, 440-444, 446, 450, 451 chimney draft, 435, 438, 440- 444 chimney flow, 439, 440, 441, 443, 450 color, 22 comfort, 126 compressor and coil perform ance, 933 correction for pipe roughness, 786 dehumidifier performance, 944 design temperature map, 269 disease frequency, 133, 134 draft required, 435 dry vs. wet weight, 1137 drying time, 1138, 1139 dust particle rise, 153 economical thickness pipe in sulation, 709 edge loss, 607 effective diameter, 757 effective temperature, 125 elbow loss, 792,793 entrainment 'ratio, 762 estimating surface tempera ture. 605, 606 expansion factor, 81, 82 evaporation chart, 1151 fan characteristics, 818-820 fan sound level, 818-820, 1004, 1005 fan system characteristics, 821 filter resistance, 840 ~ firebox dimensions, 386 flow coefficients. 79, 80 flow due to wind, 247 flow through opening, 250, 251 flue area, 256 flue loss, 365 friction air ducts, 784, 785 friction factor, 71 friction in pipes, 552, 554, 555. 1180-1182 fuel consumption, 403, 404 fuel oil index, 358 gas vents, 450 head due to temperature, 548 heat flow, glass, 312 heat emission by radiation from panels, 602 beat endurance, 119 heat loss body, 115,116,120,121, 122 canvas surface, 705 coefficients, insulated ducts. 810 convection from panel, 603 duct, 810 insulated pipe, 701-703, 705 insulation, 701-705 humidity, 1149 infiltration, 241 inside surface temperature. 605/606 insulation of cold pipe, 710 Langelier formula, 1053 moisture loss from body, 122 motor characteristics, 978-980. 982 * MRT elevation, 119 orifice coefficient, 77 orifice installation, 83 panel heat output, 602-604 permissible relative humidi ties for various transmis sion coefficients, 229 pipe color classification, 22 pressure loss in ducts, 782,784, 785 pressure loss in elbows, 790, 792, 793 pressure loss in faucets, 1183 pressure loss in meters, 1183 Chart (continued) psycbrometric charts. 51 53 124, 1149 ' persons at rest, 124 pump performance, 559 radial jet velocities, 758 radiation between black bodies, 99 radiation shape factor, 98 refrigerant pressure-enthalpy, 900, 902 refrigeration horsepower, 1079 solubility of calcium salts t 1050, 1051 solubility of gases, 1049 sound attenuation, 991, 1007 8tatic deflection, 1024 static regain, 802. 803 system characteristics, 82l thickness pipe insulation to prevent sweating, 710 velocity and velocity head. 792 vena contracta location, 85 viscosity, air, 69 viscosity, water, 70 well water temperatures, 858 Chemical, chemicals laboratory hoods, 1101 reactions, 1129 control of rate of, 1129 vitiation of air. 111, 156 water treating, 1057,1058,1060, 1066 ? Chimney, chimneys, 433 available draft. 434, 441 boiler connections, 418 construction details, 451 determining sixes, 438, 446 effect, 2 efficiency, 443, 445 factors affecting draft, 434, 446 fireplace,.455 gas heating, 449 general considerations for, 448, 454 incinerator, 452 industrial, 436, 438, 439 performance, 433, 438, 439 residential, 440,441 short, 443, 445 sizes, 438, 439, 446 static draft, 433 theoretical draft, 433 Cinders, 154 Circular equivalents of rectan- guiar ducts, 787 Cleaning boilers, 420 Climatic conditions, 263, 291 Closed expansion tank, 568. 670- ,573 fitting formula, 570 Coal, coals anthracite, 344-347 bituminous, 344, 345, 348-350 classification of, 344 combustion of, 347 draft required, 351, 434 dustless treatment, 346 estimating consumption, 457. 467-470 firing methods, 347-350 lignite, 345 Codes, (see also Standards), 1241 installation, 1241 National Building, 451 rating, 1241 space heaters, 428 testing, 1241 Coefficients of transmission. 5, 169, 184-208, 892 basement, 210, 274 floor, 210, 276 wall, 210. 274 ceiling and roof, 196-202, 209 cods, 592, 892 correction for insulation, 189 correction for framing, 209 xii Coefficients of transmission ' (continued) doors, 211, 213 floors and ceilings, 193-195,209 frame construction, 184, 185 glass, 212 glass block walls, 212 insulating materials, 177-179 masonry partitions, 192 masonry walls, 186-190 overall, 169. 592 formulas for calculating, 170, 181 practical, 181 roofs, 196-202, 209 - skylights, 212 windows, 212 wind velocity correction, 213 Coll, colls. 879 air flow resistance, 890 applications, 884 arrangement, 880, 884 bypass factor, 334 construction, 880 cooling. 879 dehumidifying, 889, 893 determining refrigeration load, 895 direct expansion, 882 dry cooling, 891 film coefficient, 892 flow arrangement,' 884 heat emission, 592, 892 heat transfer suface, 890 heating, 888 performance, 891, 893 cooling. 891 dehumidification, 893, 894 heating, 891 pipe, 592 rating, 888, 889 selection, 887 cooling, 889 dehumidifying, 889 heating, 888 steam, 881 usee, 879 water, 882 Coke classification of, 346 estimating consumption, 469 firing methods, 349 Cold therapy, 143 Color, piping systems, 22 Combustion. 343 adjustments, 384,387,399 air inlet, 363, 364 air required, 369 analysis, 370 chamber, 385,393 complete, 366 dew point, 376 efficiency, 370, 392 flue gas, 370, 372 gas, 362 neat balance, 373 heat of, 367 incomplete, 366 index, 354 losses, 374 off, 356 perfect, 366 process. 381,399 principles of, 364 rates, 398, 403, 404, 435 smokeless, 348 stoker, 381 Comfort air conditioning, 2 air conditioning systems, 735, 1161 chart, 126 design conditions, 288, 475 line, 2 summer, 126, 127 zone, 2 Compartment dryer, 1156, 1157 II Index to Technical Data Section Compressor, compressors, 918 centrifugal, 921 reciprocating, 918 refrigeration, performance of, 931,932 Condensate, 2, 727, 1061 Condensate return pumps, 535 Condensation, 2, 27 ' buildings, 229, 231 concealed, 231 control, 233 cooled structures, 237 flue gas, 377 surface, 229 visible, 229 Condensers, 923 air cooled, 923 design data, 869 evaporative, 923 water cooled, 923 Condition line, 62, 332 Conductance. 3,169,170 airspace, 175,176 building materials, 177-179 film, 169 insulators, J77-179, 698 soil, 172,173 surface, 2,172, 174 Conduction, 3, 89 drying methods, 1155 electric heaters, 1027 equation, 90 steady-state solutions, 101 Conductivity, 2, 89, 169, 170, 173, 177-179 batt type insulation, 177 building boards, 177 building materials, 177-179 homogeneous materials, 171 insulating materials, 177-179, 696 insulation blankets, 177 loose-fill insulation, 178 masonry materials, 178, 179 --plastering, materials, 179 rigid insulation, 178 roofing construction, 179 siding materials, 179 soil, 171, 173 woods, 179 Conductor. 3 Conduits for piping, 722 Connections boiler, 418, 533 - heating units, 544 Control, controls airborne infection, 132 aircraft temperature, 1169 automatic; 945 automobile temperature, 1168 biochemical reactions, 1131 central fan systems, 736 chemical reactions. 1129 contaminant by exhaust, 1094, 1097 corrosion, 1059 crystallisation, 1131 dew-point, 1132 high temperature water sys tem, 584 laboratory conditions, 1132 motor. 973 panel heating, 961 passenger bus temperature 1167 passenger caT temperature, 1164 humidity, 1164 pneumatic systems, 946 refrigeration, 922, 926 service water temperature, . H?S ship air conditioning 1174 slime, 1047 sound, 991 Control, controls (continued) static electricity, H32 street car and coach tempera ture, 1165 temperature for machining, 1132 ventilation, 253 vibration, 1022 ontrol, automatic. 9 action types, 946 air washers, 664 applications, 954 auxiliary equipment, 953 central fan systems, 962 components of systems, 948 controlled devices, 952 controllers, 948 controlling elements, 949 cooling. 964 dehumidification, 964 design coordination, 967 electric, 946, 950 electronic, 946, 950 equipment selection, 969 floating, 947 fuel burning equipment, 954 fundamentals, 945 gas burners, 957 not water heating, 960 humidity, 964 hydraulic, 948 indicating, 950 individual room, 962 measuring elements, 948 oil burners, 955 operating, 945 panel heating, 961 pneumatic, 946, 950 preheater coil, 963 primary, 956 proportional, 947 recording, 950 residential, 957 size of area, 968 space conditions, 965 static pressure, 952,965 ' steam flow, 970 steam heating, 959 stokers, 956 . system types, 946 typicaTsystem, 965 unit heaters, 966 unit ventilators, 967 valves, 952 water flow, 972 zone, 958 zone systems, 959 Controllers, 945 functions, 945 types, 945 Convection. 3, 89, 99 equation, 91 film coefficient, 92 free, 92, 93 unit conductances, 93 Convector, convectors. 3, 587, 589 correction factor, 594, 595 heat emission, 591 heating effect, 593 induction, 742, 743 ratings, 592 Converging vanes, 766 Conversion burners, 397 equations, 15, 224 Cohere, 651, 661, 925 Cooling, 287 air conditioning units, 651, 1204 atmospheric water, 853 coil selection, 887, 889 comfort, 287 evaporative, 747 industrial, 287 load. 287, 739 calculations, 287 total, 287 Cooling (continued) methods, 1204 performance of coils, 891, 893 ponds, 861 residential, 1204 sensible, 747 spray, 859. 861 effect of wind, 862 make-up water, 877 size of equipment, 863 winter freezing, 878 systems. 735, 1162, 1166 towers, 880 atmospheric, 863 design, 869, 870 mechanical, 865 operation, 877 performance, 872 selection, 875 tropical conditions, 136 units, 651 component parts, 652 control, 657 definitions, 651 defrosting, 662 design, 652 performance, 651, 659 ratings, 658, 662 remote, 656 sound isolation, 655 types of, 661 water, 861, 868 water piping, 1186 Copper elbow equivalents, 556 Copper tube dimensions, 668 Core area, 751, 1230 Corrosion, 1045 air ducts, 1064 atmospheric, 1053, 1063 boilers, 1056 cathodic protection, 1066 cool storage equipment, 1063 cold water, 1046 condensates, 1049. 1061 flue gas, 376 flues, 1063 heating systems, 1054 hot water, 1056 industrial exhaust systems, 1112, 1113 minimizing condensate. 1061 pipe, 1058,-1064 prevention, 1050,1114 refrigerating systems, 1060 underwater, 1058 Cost of air conditioning, 1071 1207 * amortization, 1071 condenser water, 1079 first 1071 fixed charges, 1071 heating, 1080 interest. 1074 installed, 1072 insurance, 1075 labor, 1076 maintenance, 1075 owning and operating, 1071, 1077 rent, 1075 service, 1075 taxes, 1074 refrigeration equipment, 1077 water, 1077 Crack length method, 241 used for computations, 279 Crystallization ^ control rate of. 1131 Cylinder dryer, 1156 D Dalton's rule, 28 Damper, dampers, 352, 477, 735 751, 769, 775, 825, 953, 982 Darcy formula, 69 Decibel, 3,941 Declination of sun, 3 XJll