Document 2NNkm3MnEQ2ZZZw0BO55k2zxg

Heating Ventilating Air Conditioning Guide 1939 Insulation (continued) . to prevent condensation, 189, "50 to prevent freezing, 749 reflective type, 92, 93 rock wool type, 745 of sound, 605 tables, 95, 740 thickness needed, 752 underground, 753 of vibration, 605 Ionization of air, 73 Isobaric, 841 Isothermal, 7, 841 J-K-L Joints, expansion, 365 ( Kata thermometer, 829 Lag in heat transmission, 153 Latent heat, 31, 841 loss, 70 of water vapor, 12 Lateral exhaust system, 655 Leader pipes, 384 heat carrying capacity of, 385 size of, 385, 395' Leakage of air, 199, (see also Infiltration) Lignite, 173 . . .. Liquid, beat of the, 28, 840 Lithium chloride system of adsorption, 45, 486 Load. building factors, 246 cooling, 145 design, 257, 839 heating, 131 . maximum, 839 radiation, 839 Low temperature insulation, 749 M Machinery, as heat source, 138, 157 mountings vibration,-587, 605 sound insulation of, 605 Magnesia insulation, 740 Manometer, 827, 841 Manual control, (see Controls) Masonry materials, heat transmission through, 95 Mass, 841 Mb, 337, 841 Mbh, 337, 841 Mean radiant temperature, 770, 774 Mechanical, draft towers, 533 equivalent of heat, 841 fuel burning equipment, 207 refrigeration, 35 ventilation, 75 warm air furnace systems, 399 air distribution, 402 design of, 405 register and grille locations, 403 Medical treatment, (see Diseases) Mental trouble, 623 Mercurial thermometer, 825 Metabolism, 51, 71 Meters, choice of, 790 condensation, 791 fluid, 790 Nicholls heat flow, 833 steam flow, 791 types of, 790 water, disc, 805 Methyl chloride, 35, 88, 529 Metric units, . 850 Micromanometers, 824 Micron, 79, 841 Mixture, air and water vapor, 12 Modulating control, 703 Moisture, content, of air, 70, 145, 521, 43 capillary or free, 669 of hygroscopic materials, 644, 669 loss by human body, 74 from outside air, 156 produced by cattle; 695 regain, 643 Mol, 841 Monofluorotrichloromethane, 35, .40 Motive power, 719 Motors, electric, 719 adjustable speed, 720 adjustable varying speed, 720 alternating current, 721 application of, 724 capacitor type, 722 characteristics of, 720 classification of, 724, 725, 726 compound wound, 719 . constant speed, 720 control equipment for, 727 automatic, 728 manual, 727 multispced, 730 pilot, 728 single phase, 782 slip ring, 731 . . damper, 701 direct current, 719 control of, 729 speed characteristics, 724, 726 as heat source, 157 induction, automatic start, 726 capacitor start, 722 repulsion, 722 repulsion start, 723 slip-ring wound rotor, 726 squirrel cage, 723 polyphase, 723 selection of, 663 series wound, 719 shunt wound, 719 single phase, 732 special applications, 727 split phase, 723 synchronous, 721 varying speed, 721 MRT, mean radiant temperature, 770, 774 N Natural draft towers, 533 Natural ventilation, 70, 687 Nervous instability, 625 NeuTosyphilis, 621 Nicholls heat flow meter, 833 Noise, (see also Sound) air outlet, 572 in buildings, $02, $05 . control of, 602 through ducts, 609 through room wall surface, 609 . with warm air systems, 402 equipment, 604 kinds of, 604 level, acceptable, 603 of fans, 557 measurement of, 602 through building construction, 605 Nozzle, 517 air spray, 517 oil atomizer, 218 !- water spray, 617 Nurseries, 618 equipment for, 620 requirements for/619 ventilation rate, 620 Alphabetical Index to Technical Data Section o Odors, 67 of human origin, 49 concentration, .68 removed by outside air, 69 Off peak heating, 764 OH, oils, atomization of, 219 burner, burners, air for combustion, 218 air supply for, 218, 224 boilers, 221, 222 burning rate, chart, 235 classification, 179 combustion, 233 for commercial use, 221 control of, 225, 714 design considerations, 223 for domestic use, classification, 218 efficiency of combustion, 225 flame with, 219 furnace requirements, 252, 400 ignition, 219 oil consumption, 233, 235 operation, 218 Orsat test, 225 specifications, 179 .. types of, 219 calorific value of, 181 classifications, 179 .. as corrosion inhibitor, 881 gages, 225 ignition of, 180, 218' preheating, 220 specifications, 180 One-pipe steam heating systems, (see also Steam Heating Systems) Openings, 689 281, 841, air inlet, 691 for natural ventilation, location of, 691 size of, 688 types of, 689 Operating rooms, anesthesia, 615 explosion hazard, 615 humidification, 616 static electricity, 616 ventilation, 616 Orifice, orifices, friction heads, 349 steam heating systems, (see Steam Heating Systems) Orsat test apparatus, 218, 225, 229, 832 Outlets, (see also Registers, Grilles) design and location of, 577 Oxygen, 381 Oxygen therapy, diseases treated, 623 oxygen chambers, 624 oxygen tents, 623 Ozone, 75 P Paint, effect on radiators, 271 spray booths, 658 temperature^ and humidities for processing, 640 Panel radiator, 842 Panel warming, 842 Partial pressures, Dalton's law of, 1 Perspiration, 49, 51, 71, 73 Petterson-Palmquist apparatus, 831 Pipe, piping, 361 bare, heat loss from, 735 bends, 368 capacities, (see Pipe, Sizes) coil radiators, 269 Pipe (continued) conduit, 754, 783 connections, 320, 786, (see also Connections) copper, 362 corrosion of, 380 dimensions of, 362, (see also Pipe Sizes) district steam, 781 expansion of, 365 fittings, 361, (see also Connections, Fittings) for water supply, 804 welding fittings, 372 flanges, 376, 739 flexibility of, 865 freezing, prevention of, 749 friction, 807 of air in, 584, 585 heads in, 342 gaskets, 366 hangers, 370 heat loss from, 739 cost of, 736 . for hot water heating systems, 337 insulation of, 735 joints, 365 leaders, 384 radiating'surface, 738 radiators, 269 'refrigerant, 478 scale in, 380 sizes, 341 for black iron, 348, 344 for boiler runouts, 322, 782 for central fan systems. 831 for convector connections, 328, 329 for copper tube, 343. 845 forced circulation systems, 343 gravity circulation systems, 351 dimensions, 362, 365 for district heating, 782 for domestic hot water, 810 elbow equivalents, 346 equivalent length of run, 312 friction head, 842, 343 of orifices in unions, 349 for Hartford return connection, 322 for hot water heating systems, 341 for indirect heating units, 331 znains, 806 for pipe coil connections, 328. for radiator connections, 326 refrigerant, 3, 307, 478, 480 return, capacity of, 316, 783 steam, 308, 315, 316 underground, 783 tables, 314 tees, 870 for underground steam, 783 for water supply, 803 weights, 367 steam, capacity of, 311 for steam heating systems, 281, also Steam Heating Systems) supports, 370 sweating, 750 tax, 259 307, (see tees, dimensions of, 373 . threads, 369, 371 tunnels, 786 types of, 361 underground, insulation of, 763 steam, 783 for unit heaters, 438 valves, 376 water supply, 799 weights of, 362 welding, 372 Pitot tube, 827 Plastering materials, heat transmission through, 99 Plenum, chamber, 842 systems, automatic control of, 704 XIX