Document Loeb3LZOX0Jye1GK5QQy5Lmrq

Cooling towers (continued) hyperbolic, 74$ Installation, 754 mechanical draft, 745 operation, 754 cold weather, 755 enclosures, 755 noise, 754 two-speed motors, 755 performance curves, 752 selection, 754 spray ponds, 743 theory, 747 crossflow integration, 749 counterflow integration, 748 water treatment, 755 wood deterioration, 756 Com, shelled, 133 drying, 133 storage, 134 Corrosion biological growths, 237 concentration cell, 224 rffwrimilitr 224 erosion, 226 fireside 241 galvanic, 225 nigh temperature, 241 intensifying factors, 224 preventive measures, 226 cathodic protection, 228 environmental change, 230 materials selection, 226 protective coatings, 226 refrigerant side, 241, 765, 775, 783 stress, 225 terminology, 223 theory, 223 underground, 239 waterside, 230 heating and cooling systems, 232 Inngefier saturation index, 235, 21 water characteristics, 231 water treatment, 233 Cotton, 134 drying, 134 ginning, 134 moisture content, 134 Cryogenic fluids tables and charts, 293, 353-370 Dampers, 175; 555-558 D'Arey equation, 88 Definitions, 951 Defrosting, 895, 901 commercial refrigerators, 898 household refrigerators, 902 Degree of saturation, 30 Dehomldlficatlon, 262, 593, absorbents, 262, 264, 266 adsorbents, 266 air washers, 593 at elevated pressures, 267 coils, 603-612 Dehumidifiers, 262, 933 codes and standards, 934 summary, 934 design features, 933 performance, 933 sorption, 262 Dehydration, 757 methods (factory), 757 ASHRAE Guide And Data Book 1965 Dehydration (continued) drv air. 757 dry nitrogen, 757 heat, 757 heat and dry air, 758 heat and vacuum^ 758 special considerations, 759 vacuum, 757 moisture measurement, 758 Density, 977 0977 e, 978 vapors, 977 Desiccants, 264, 778 adsorption, 779 chemical reactions, 779 adds, 780 chemicals, 780 colloids, 780 colors, 780 oil deterioration products, 780 equilibrium conditions, 778 reactivation, 778 solid core, 778 testing, 781 Design conditions, 469, 487 summer indoor, 487, 494 outdoor, 488-495 winter indoor, 477 outdoor, 469-477 Dew-point conversion chart, 263 temperature, 29 Diffusers, 553 ceiling, 556 accessory devices, 556 applications, 557 special features, 558 slot, 555 accessory devices, 556 applications, 555 special features, 556 Diffusion, dlffusivity, 75 coefficient, 76 convective (eddy), 79 maun, 77 molecular, 76 momentum, 77 thermal, 77 Draft, 835 available, 835. 840, 841, 843, 844 industrial chimnsyB, 840 natural, 835, 840 required, 835 . requirements of appliances, 844 Driers, 775 refrigerant, 780 rating, 781 selection, 781 testing, 781 Dry-bulb temperature, 29 Drying farm crops, 127 moisture measurement, 759 refrigerant systems, 757, 775 desiccants, 777 - driers, 780 methods, 757, 776 Duct, ducts, 192, 202, 561 - attenuation, 192, 202 xlv Duct, ducts (continued) lined ducts, 208 lined plenum, 208 untreated ducts, 204 circular equivalents, 565-567 construction, 676-680 rectangular high-pressure, 579 rectangular low-pressure, 576 rectangular medium-pressure, 578 round, 677 design, 561, 570 equal-friction method, 571 high velocity, 575 procedure, 570 statio-regam method, 572 velocities, 570 velocity-reduction method, 571 dynamic losses, 565 friction Iosbss, 562-565 heat losses, 579 noise generation, 205 pressure changes, 561 pressure losses, 567 area changes, 569 divided-flow fittings, 568 elbows, 567 weights, 580 Duct sizing, 671 equal-friction method, 571 etatio-regain method, 572 velocity-reduction method, 571 Dust, 147 combustible, 151,157 concentration. 158 particle size chart, 148 E Eddy formation, 90 Effective temperature, 107 chart, 107 index, 107 Ejectors, 656 air, 657 steam-jet, 656, 658 Emisaivity, 52, 979 solids, 979, 980 surface, 52 Enthalpy conversion factor, 986 counterflow integration, 748 definition. 955 entropy diagram steam ejector, 658 lithium bromide concentration dia gram, 16 moist air, 31-34 potential, 82 pressure diagram basic vapor compression cycle, 4 complete refrigeration cycle, 714 simple compreamoa - refrigeration cycle, 647 water, 662 refrigerants, 293-370 saturated steam, 39-40 symbols, 967 temperature diagram air-cooled condenser, 692 counterflow cooling, 747, 749, 750, 751 water, 35-38 Entropy conversion factors, 986 definition, 955 Index to Technical Section Entropy (oonfe=fl enthalpy diagram uteam ejector, 658 moist air, 31-84 refrigwants, 293-870 saturated steam, 39-40 symbols, 967 temperature diagrams . vapor compression cycle, a, 7, 8 dual-compression, dual-expansion reveraed^sruot cycle, 5-7 water, 35-38 Environmental control, 101,117 cattle, 117 hnrrmn body, 101 plants, 122 poultry, 121 sheep, 119 swine, 120 Equations of state, 2 Ethylene glycol, 375 ^filling point, 376 condensation temperature, 376 freezing point, 375 inhibition, 376 phytica! properties, 375 service considerations, 378 specific gravity, 377 specific heat, 378 thermal conductivity, 378 viscosity, 377 . 1?... .l{. wtlni.nn 971 Q7R Evaporative air cooling, 593 air washers, 593 equipment, 598 principles, 593 - rotary unit, 599 slinger unit, 598 wetted-pad unit, 598 Evaporative condensers, 697 Evaporators, air cooling, 603 direct-expansion, 603 applications, 606 arrangement, 603 - construction, 603 control, 605 dehumidifying, 608, 611 dry, 608, 610 heat transfer, 609 performance, 610, 611 resistance, 609 selection, 607 Evaporators, liquid cooling, 703 design criteria, 705 r-Kifniral requirements, 706 mechanical requirements, 705 performance requirements, 706 friction loss, 706 refrigerant pressure drop, 707 heat transfer, 60, 707 analysis of test results, 708 chilled liquid film coefficient, 708 fouling factors, 709 overall rates. 709 refrigerant film coefficient, 707 Wilson plot, 708 types, 703 Baudelot, 704 centrifugal system, 705 double-pipe, 704 dry expansion, 704 flooded ehell-and-tube, 703 Evaporators, liquid cooling (continued) flooded tank-and-agitator, 705 shell-and-coU, 705 spray, 703 Finned-tube units, 857, 859 applications, 861 effect of water velocity, 861 heat emission, 857 non-standard conditions, 860 Expansion valves, 715 ratings, 860 constant pressure, 722 application, 722 operation, 722 selection, 722 superheat, 718 factory setting, 718 gradient, 718 operating 718 static, 718 thermostatic, 717-722 application, 720 capacity, 718 charge, 719 desuperheating, 722 flooded system, 721 Fittings, pipe, 882 applications, 892, 893 braced joints, 885 dimensions, 883-889 flange facings, 886 flawed compression, 886 gaskets, 886 pressures, 883 screwed, 882 solder data, 883 soldered Joints, 884 specifications, 883 sweat joints, 883 valves, 887 operation, 717 Float valves, 725 high-side, 725 F application, 726 operation, 725 Fallout, 158 selection, 725 low-side, 726 Fan, fans, 583 applications, 591 application, 726 selection, 726 arrangements, 587, 588 control, 587 installation, 590 laws, 584 location, 589 motors, 589 noise, 202 outlet velocity, 590 performance, 583, 585 system characteristics, 587 types, 583 Fluid, fluids flow, 87 compressible, frictionless, 88 incompressible, frictionless, 88 real fluids, 89 two-phase. 91 fundamentals, 87 physical properties, 98 pressure losses, 95 theory, 88 types, 88 Farm crops, 127 Fog, 149 drying specific crops, 132 com, 133 cotton, 134 grain, 133 nay, 132 peanuts, 135 Freezers, home, 901 cabinets, 908 condensing units, 909 evaporators, 909 rating, 910 refrigerating systems, 909 rice, 135 drying theory, 129 moisture measurement, 128 physiological factors in drying and stor ing, 127 refrigeration failure, 910 temperatures, 910 freezing, 910 storage, 910 (ASA standards), 910 grain condition, 128 moisture content, 127 Friction factor, 80, 91 oxygen supply, 127 temperature, 127 Friction losses, 561 divided flow fittings, 568 storage, 127 murimnm moisture content, 128 oxygen supply, 127 temperature, 127 duct elbows, 567 ducts, 562-565 due to area changes, 568, 569 Pick's Law, 76 Fuel-burning equipment, automatic, Figure of Merit, 23 805 controls, 815 s Filters, 617 applications, 625 gas-burners, 810 commercial, 812 ' installation, 624 domestic. 810 maintenance, 624 performance, 622 ` rating, 617 limitations of, 619 industrial, 812 mfrt-Vinnirad stokers, 805 oil-burners, 806 commercial, 808 domestic, 806 test methods, 617 industrial, 808 selection; 624 supply air, 617 Fuels, 269, 805 types, 620 dry, 621 gas, 273 classification, 273 electronic, 622 oil, 271 viscous impingement, 620 atomizing, 806-809