Document 2Npd5ed0MYV1vJk7vrgwbYQ5

American Society of Heating and Ventilating Engineers Guide, 1936 Magnesia insulation, 657 Manometer, 764, 777 Masonry materials, heat transmission through, 107 Mass, 778 Mb. 587, 778 Mbh, 587. 778 Mean radiant temperature, 689, 692 Mechanical, draft towers, 210 equivalent of heat, 778 refrigeration, 37 ventilation, 79 warm air furnace systems, 403 Metabolism, 59, 81 Meters, choice of, 680 condensation, 681 fluid, 680 Nicholls heat flow, 769 steam flow, 682 types of, 680 water, disc, 635 Methyl chloride, 42, 206 Metric units, 787 Micron, 299, 778 Mixture, air and water vapor, 10 Moisture, 665 content, of air. 77, 179, 212, 711 as index of air distribution, 76 calculations, 737 equilibrium, 734 of hygroscopic materials. 712, 729 internal, gradient, 734 loss by human body, 82, 84 from outside air. 172 produced by cattle. 99 regain, 711 Mol, 778 Monitor openings, 92 Monofluorotrichloromethane, 43 Motive power, 747 Motors, electric, 747 adjustable speed, 748 adjustable varying speed, 748 alternating current, 747 capacitor type, 750 classification of, 752 compound wound, 747 constant speed, 748 control equipment for, 753 automatic, 754 manual, 753 multispeed, 756 pilot, 754 single phase, 758 slip ring, 757 direct current, 747 control of, 755 as heat source, 150 induction, automatic start, 751 repulsion start, 749 slip ring wound rotor, .751 squirrel cage, 750 polyphase, 750 selection of, 383 series wound, 747 shunt wound, 747 single phase, 749 special applications, 753 split phase, 750 synchronous, 751 varying speed, 751 MRT, mean radiant temperature, 689, 692 N Noise (continued), control of, 329 through ducts, 337 with warm air systems, 406 level, acceptable, 329 of compressors, 191 of fans, 317 of unit heaters, 226 of various apparatus, 328 measurement of, 326 Nozzle, 201 air spray, 173 oil atomizer, 495 water spray, 213 O Odors, 76 of human origin, 57 concentration, 79 removed by outside air, 79 ou, oils, atomization of, 451 burner, burners, accessory conditioning apparatus, 251 air for combustion, 496 air supply for, 495, 497 automatic, 500 boilers. 435, 437, 499 carbon monoxide produced by, 496 for commercial use, 500 control of. 278, 499 design considerations, 498 for domestic hot water supply, 500 for domestic use, classification, 494 efficiency of combustion, 498 flame with, 495 furnace requirements, 404, 411, 496 ignition, 495 installation, 497 oil consumption, 498, 509, 516 operation, 495 Orsat test. 498 specifications, 479 calorific value of, 480 classifications. 479 as corrosion inhibitor, 627 cost of, 481 heated electrically, 706 Ignition of, 480 preheating, 500 specifications, 479 One-pipe steam beating systems, gravity air-vent, 533, 537, 565, 577 down-feed, 537 up-feed, 534 vapor, 538 Openings, air inlet, 92, 343 characteristics, 343 monitor, 92 for natural ventilation, location of, 95 resistance offered to flow,'96 size of, 89 types of, 90 Orifice, orifices, friction heads, 596 steam heating systems, 547, 559, 569', 577 Orsat test apparatus, 498, 768 Outlets (see also Registers, Grilles) design and location of, 173 Oxygen, 626 Ozone, 79 i Natural draft towers, 210 Natural dryers, 723 Natural ventilation, 79, 89 Nicholls heat flow meter, 769 Noise (see also Sound) in buildings, 327 P Paint, effect on radiators,' 523 spray booths, 378 temperatures and humidities for processing, 718 XVI Alphabetical Index to Technical Data Section Pan dryers, 727 Partial pressures, Dalton's law of, 1 Perspiration, 59, 79, 83, 85 Petterson-Palmquist apparatus, 767 Phon, 326 Pipe, piping, 607 bare, heat loss from, 653 bends. 571, 613 capacities (see Pipe, Sizes) coil radiators, 521 conduit, 673 connections, 572, 676 (see also Connections) copper, 608 corrosion of, 626 dimensions of, 608, 653 (see also Pipe, Sizes) down-feed systems, 536, 537, 538, 541 expansion of, 571, 610, 673 fittings, 586 (see also Connections, Fittings) for water supply, 634 welding fittings, 622, 653 flanges, 623, 653 flexibility of, 610 friction, of air in, 353 heads in, 591 gaskets, 620 hangers. 614 heat loss from, 505, 653 for hot water heating systems, 587, 603 insulation of, 653 joints, 571, 673 leader, 419 radiators, 521 scale in, 626 sizes, for boiler runouts, 574, 672 for central fan systems, 579 for convector connections, 579 dimensions, 608, 610 for district heating, 672 for domestic hot water, 640 effects of variation of, 595 elbow equivalents, 591 equivalent length of run, 561 friction head, 592 of orifices in unions, 596 for Hartford return connection, 574 for hot water heating systems, 588 forced circulation systems. 590 * gravity circulation systems, 597 for indirect heating units, 582 for pipe coil connections, 579 for radiator connections, 577 return, capacity of, 564 steam, 558, 562, 563 underground, 671 41 tables, 563. 610 tees, 617 for underground steam, 671 for water supply, 633 weights, 608 steam, capacity of, 559 for steam heating systems, 533, 557 supports, 614 sweating, 665 systems, down-feed, 536, 537, 538, 541 systems, up-feed, 534, 537, 539, 542 tax, 441 tees, dimensions of, 617 threads, 614, 618 tunnels, 675 types of, 607 underground, ^ insulation of, 667 ,, steam, 671 for unit heaters, 226 up-feed systems, 534, 537, 539, 542 valves, 622 water supply, 629 weights of, 608 welding, 621 ' Pitot tube, 764 f Plastering materials, heat'transmission through, 109 'Plenum, chamber, 778 systems, automatic control of, 275 Plumbing fixtures, 629 Pollution of air, 287 Polyphase motors, 750 Ponds, cooling, 208 Pool, swimming, 650 Potassium permanganate, 209 Potentiometer, 763, 778 . Power, 778 conversion equations, 785 electric, 708 supply, railway air conditioning, 264 Precipitators, dust, 294 Pressure, pressures, absolute, 771 air, in heating unit, 390 measurement of, 764 * atmospheric, 761, 772 for atomization, 202 barometric, 455, 761 basic, 3 conversion equations, 786 drop, formula for, 672 dynamic, 774' gage, 761, 776 loss through ducts, 351 measurement of, 761 partial, Dalton's law of, 1 - refrigerating plant, 206 of saturated vapor, 10 static, 400, 780 steam, in district heating, 672 drop. 536, 558, 563 initial, 558 in orifice systems, 547 saturated, 27 in sub-atmospheric systems, 546 total, 781 vapor, 31, 782 velocity, 782 water, 26, 633 i Processing, 711 cooling systems, 182 industrial, temperatures andjhumidities for, 718 of textiles, 713 unit heaters, 228 Propeller fans, test codeIfor/312- Psychrometer, 779 sling, 766 Psychrometric, chart, 64, 65, 66 (back cover) for dryer, 740 explanation, 24 tests, 63 Pump, pumps, circulating, 601 condensation return, 549 heat, 52, 706 vacuum, 550 ratings of, 550 Pyrheliometer, 160 Pyrometer, 763, 779 mercurial, 763 optical, 763 radiation, 763 thermo-electric, 763 Q> Quality, of air. 76, 80 A.S.H.V.E. ventilation standards, 74 impaired by recirculation, 80 xvu