Document Rpx2kyak78D5gDBmwGjMXOmKn

Heating Ventilating Air Conditioning Guide 1959 Coil, coils (continued) Sow arrangement, 315 beat emission, 209, 320 heat transfer surface, 319. 320 heating, 318 performance, 320, 321 cooling, 320 dehumidification, 321 heating, 320 pipe, 209 rating, 318, 319 selection, 318 cooling, 319 dehumidifying, 319. heating, 318 steam, 314 uses, 313 water, 314 Coke classification of, 469 estimating consumption, 537 firing methods, 470 Cold process exhaust, 702 Cold therapy, 89 Color, piping systems, 12 Combustion, 467 adjustments, 488, 490, 495 air inlet, 476, 483 air required, 479 analysis, 479 chamber, 487, 490 complete, 477 dew point, 483 efficiency, 479, 490 Sue gas, 479, 480 gas, 476 . neat balance, 481 heat of. 478 incomplete, 478 index, 473 losses, 481 oil, 473 perfect, 477 process, 486, 489, 495 principles of, 476 rates, 494, 498, 516 smokeless, 470 stoker, 486 Comfort air conditioning, 2 air-conditioning systems, 259,651,663 chart, 70 design conditions, 167, 168 line, 2 summer, 66-70 tone, 66, 70 Compartment dryer, 722 Compressor*, compressor*, 554 centrifugal, 555 reciprocating, 554 refrigeration, performance of, 560, 561 Condensate, 2, 388, 741 Condensate return pumps, 375 Condensation, 2, 127 buildings 132, 134 concealed, 134 control, 134 cooled structures, 137 flue gas, 483 surface, 132 visible, 132 Condensers, 556, 589 `air cooled, 556 design data, 585 evaporative, 589 Condensers (continued) water cooled, 556 Condition line, 32, 199 Conductance, 2, 93, 94 air space, 98, 99 building materials, 99-101 film, 93 insulators, 99-101, 454 soil, 94, 95 surface, 2, 95, 96, 98 Conduction, 2, 47 drying methods, 722 electric heaters, 231 equation, 47 steady-state solutions, 54 Conductivity, 2, 47, 93, 94, 99-101 batt type insulation, 99 building boards, 99 building materials, 99-101 homogeneous materials, 94 insulating materials, 99-101, 454 insulation blankets, 99 loose-fill insulation, 100 masonry materials, 100, 101 plastering materials, 101 rigid insulation, 100 roofing construction, 100, 101 siding materials, 101 soil, 94, 95 woods, 101 Conductor, 2 Conduits for piping, 385, 386 Connections boiler, 374, 406, 412, 507 heating units, 380 Control, controls airborne infection, 83 aircraft temperature, 666, 667 automatic, 609 automobile temperature, 666 biochemical reactions, 689 central fan systems, 259, 619 chemical reactions, 689 contaminant by exhaust, 699, 701 corrosion, 733 crystallization, 689 dew-point, 689 high temperature water system, 416 high velocity systems, 297 laboratory conditions, 690 motor, 639 panel heating, 432 passenger bus temperature, 665 passenger car, railway temperature, 664 humidity, 664 . pneumatic systems, 609 refrigeration, 554, 556, 557 service water temperature, 759 ship air conditioning, 669 slime, 739 sound, 335 static electricity, 689 temperature for machining, 689 ventilation, 146 vibration, 352 Control, automatic, 609 action types, 610 air flow, 617 air washers, 621 applications, 618 auxiliary equipment, 613 central fan systems, 619 components of systems, 610 xii Control automatic (continued) controlled devices, 612 controllers, 610 cooling, 620 dehumidification, 620 design coordination, 614 electric, 609, 611 electronic, 609, 611 equipment selection, 614 floating, 610 flow, 616 fuel-burning equipment, 498 fundamentals, 609 gas burners, 499 heating coil, 619, 620 high velocity systems, 297 hot water heating, 623 humidity, 621 hydraulic, 609 indicating, 612 individual room, 618 measuring elements, 611 oil burners, 499 operating, 609 outdoor air damper, 619 panel heating, 432 pneumatic, 609, 611 preheater coil, 619 primary, 499 proportional, 610 recording, 612 residential, 626 size of area, 614 space conditions, 614 static pressure, 622 steam flow, 616 steam heating, 624 stokers, 499 system types, 609 terminal equipment, 625 typical system, 622 unit heaters, 220 unit ventilators, 215 valves, 612 water flow, 617 zone, 618 zone systems, 624 Controllers, 609, 610 functions, 610 types, 612 Convection, 2, 47, 51 equation, 48 ' film coefficient, 48 free, 48-50 unit conductances, 49, 50 Convector, convector*, 2, 207, 209-211 correction factor, 210, 211 induction, 262, 263 ratings, 210 Conversion burners, 494 equations, 8, 9 Coolers, 223, 228, 557 Cooling, 167 air-conditioning units, 223,652 air washer, 579 atmospheric water, 579 coil selection, 318, 319 comfort, 167 evaporative, 264, 591 industrial, 167, 681 load, 167, 261 calculations, 167, 202 total, 167 methods, 652 performance of coils, 320, 321 ponds, 580 Index to Technical Data Section rnniing (continued) residential, 651 spray, 580 , effect of wind, 580 make-up water, 588 site of equipment, 588 winter freezing, 589 systems, 259, 591, 651, 663 towers, 581 atmospheric, 581 design, 582-585 location, 588 maintenance, 588 mechanical, 581 operation, 588 performance, 582-585 piping, 753 selection, 587 tropical conditions, 85 units, 223 component parte, 223 control, 227, 230 definitions, 223 defrosting, 229 design, 223 performance, 223, 228 ratings, 227, 229 remote, 224, 225 sound isolation, 228 types of, 229 water, 579, 585 water piping, 753 Copper elbow equivalents, 396 Corrosion, 733 air ducts, 743 atmospheric, 735, 743 boilers, 739 cathodic protection, 744 coal storage equipment, 743 cold water, 733 condensates, 735, 741 flue gas, 483 flues, 743 heating systems, 739 hot water, 739 industrial exhaust systems, 712, 713 minimizing condensate, 741 pipe, 740, 743 prevention, 712, 735 refrigerating systems, 741 ... underwater, 740 Cost of air conditioning, 654, 727 amortization, 727 condenser water, 731 first, 727 fixed charges, 727 heating, 731 interest, 728 installed, 728 insurance, 729 labor, 730 maintenance, 729 owning and operating, 727, 730 rent, 729 service, 729 taxes, 728 refrigeration equipment, 730 water, 730 Crack length method, 140 used for computations, 162 Crystallization control rate of, 6S9 Cylinder dryer, 722 D Dalton's rule, 15 Damper, dampers, 239, 259, 267, 277, 278, 307, 471, 613, 619 Darcy formula, 36 Decibel, 2, 335 Declination of sun, 2 Definitions, 1-6 Defrosting, 229 Degree day, 2 for cities, 529, 538 formula for, method, 535 industrial, 538, 539 operating unit, 539 unit fuel consumption, 535, 536 Degree of saturation, 5, 14, 17 Dehnmidification, 2, 594, 601 air-conditioning units, 225 sir washers, 594 coil selection, 313, 319 comparison of methods, 601 control, 620, 621 definitions and methods, 601 elevated pressure, 606 equipment, 594, 601, 603 performance, 602, 605, 606 estimating loads, 607 liquid methods, 601, 602 moisture load, 607 ships, 669 solid methods, 602, 603 vapor transfer, 607 Dehumidifying agents, 601 absorbents, 601 adsorbents, 601 Dehydration, 2 Density of air, 1 Design conditions summer, 168, 170-175 winter, 152-157 Desiccants solid, 602 Dew point apparatus temperature, 167, 199 flue gas, 483, 743 temperature, 5, 15 Dichlorodifluoromethane, 542-544, 560 Diffuavity, thermal, 2. 559, Direct expansion coils, 315 fired unit heater, 213 indirect heating unit, 2 radiator, 5 return system, 2, 397 Distribution of air (see Air distribution), 237, 267, 664, 667 District heating, 383 condensate return, 388 meters, 389 pipe insulation, 388 piping. 385, 387, 388 conduits for, 385 inside, 388 sizes, 385 tunnels, 387 - steam requirement, 383 Domestic oil burners, 487 Door, doors .coefficients of transmission, 124 leakage, 140, 141 natural ventilation, 145 Down-feed one-pipe riser, 2, -4, 356 Down-feed (continued) steam heating, 2, 358 Draft, drafts, 2, 515 available, 515, 516, 519 calculations, 515 chimney, 515 control, 471 factors, 515 forced, 515 general equation, 515 head, 2 industrial chimneys, 516 natural, 142, 515 regulation, 471 regulator, 489 residential chimneys, 519 requirements, 471, 516, 522 appliances, 522 theoretical, 515 Drawing symbols, 9-12 Drip, drips, 2, 358, 379 Drum dryer, 722 Dry air, 1 composition, 13, 478 filters, 325 properties of, 16 velocity, head, 290 Dry-bulb temperature, 5 Dry cooling coils, 313, 320 Dry return, 5, 355 Dryer, dryers, 721 cabinet, 722 calculations, 721 compartment, 722 cylinder, 722 drum, 722 rotary, 722 spray, 723 tunnel, 722 Drying, 2, 689, 715 agricultural, 723 application of hygrometry, 719 calculations, 721 chart, 716, 718 conduction, 722 constant rate period, 716, 717 convection, 722 critical moisture, 715 effect of air velocity, 717 equations, 717 equilibrium moisture, 715 equipment, 721 example, 723 external conditions, 716 factors influencing, 715 falling rate period, 718 internal conditions, 716 mechanism of, 715 methods, 721 conduction, 722 convection, 722 radiant, 721 periods, 716 problem, 723 radiant, 721 systems, 715 terminology, 715 tobacco, 723 y Duel, ducts, 239, 283 air velocities in, 292, 293, 296, 297, 704, 711 approaches to outlets, 277 area change, 291 attenuation, 344 circular equivalents, 287-289