Document G58dZXZO3e0o7E8VxnJ56qjoN

Heating Moist air (continued) saturation, 14 specific volume, 18 Moisture, 137, 705, 733 content, 705, 706, .734 in building construction, 137load, 208, 625 loss per person, 69, 208 movement in materials, 138 permeability, 140 regain, 705 transmission, 138, 625 Mol, 4 Molecular force of water, 138 - Motor, motors, 173, 207, 657 alternating current, 659 capacitor type, 662 classification, 660, 661, 667 control, 664, 666 control equipment for, 664 current limitation, 664, 665 design limits, 658 drives, 657 electric, 657 enclosures, 667 flossary, 666 ___ eat generated by, 173, 207 hermetically enclosed, 663 increment limitation, 664, 665 multispeed, 662 polyphase, 659 rating, 666 repulsion induction, 663 selection, 657 single phase, 682, 665 speed characteristics, 658 speed classification, 668 split phase, 663 squirrel cage, 659, .664 starting methods, 664 synchronous, 660, 662, 664 wound rotor, 659, 665 Mountings, flexible, 363 N Natural draft, 531 towers, 605 Natural ventilation, 153 general rules. 156 neat removal, 154 Noise, noises, 345, 671. absorptive material, 355 air-conditioning system, 345, 671 air supply opening, 353 apparatus-for measuring, 346, 654 attenuation, 346 control, 345, 847 controlling vibration, .363 cross transmission between rooms, 363 drwlgn room level,- 358 duct sound absorbers, 354-356 duct system attenuation, 354 fans, 350 general problem, 347 .. grille, 353 intakes, 289 lands of, 350 levels, 284, 350-352 loudness, 346 measurement, 346, 654 plate cells; 356. plenum absorption. 357 recommended levels, 350, 351 through building construction, 350, 363 transmitted through ducts, 350, 363 unit of measurement, 345, 346 Nozzle flow, 41, 42 Ventilating Air Conditioning Guide 1960 Nurseries for premature infanta, 98 air-conditioning equipment, 98 air-conditioning requirements, 98 O Odor, odors, 63, 78. 101 adaptation to smoke, 79 adsorption, 79, 80-83 control, 78, 80 definition of, 78 detection, 78 effect of temperature and humidity on, 79 human body, 63 index, 84 release, 79 removal, 80-84 charcoal adsorption, 80 combustion, 83 counteraction, 81 masking, 81 neutralization, 81 scrubbing, 81 ventilation, 80 washing, 81 retention, 79, 80 Oil burners, 499, 502 atomizing, 500, 503 boiler settings, 502 classification, 500, 503 combustion adjustments, 501 combustion efficiency, 502 combustion process, 501 commercial, 502 controls, 510 domestic, 499 furnace design, 502 gun type, 500 industrial, 502 measurement of efficiency of combus tion, 502 mechanical draft, 500 operating requirements, 501 - rotary type, 500, 503 vaporizing type, 501 Oil fuel, 483 analysis, 484 calorific value, 485 classification of, 483, 484 combustion index, 485 combustion of, 455, 498 estimating consumption, 510, 555 heating of, 503 piping, 505 storage, 503, 505 Oil storage tanks, 505 One-pipe system, 368, 410 gravity air-vent, 368,'369 hot water, 4, 410 steam, 4, 368 supply riser, 4 unit heater connection,-368 vapor, 369 Opening, openings air supply noises, 353 sealing of, 153 stacks, 156 types of, 155 doors, 155 roof -ventilators, 155 . skylights, 155 vertical, 153 windows, 155 Operating rooms, 96 conditions, 97 Operating rooms (continued) reducing explosion hazard, 96 sterilization of air in, 98 Orifice discharge, 41, 373 flow, 41 formulas, 42, 649 beating systems, 372 Orsat apparatus, 653 Outdoor air, 63, 64, 186, 206, 681, 682 Outlet, outlets air noises, 353 ceiling, 285 duct approaches, 287 location, 247, 286, 287 perforated, 285, 288 performance, 283, 287 selection, 286 side outlets, 247 slotted, 28S sound absorbers, 358 types. 247, 285 vaned, 285 wall outlets, 285 Overhead, distribution, 367, 403, 782 Overhead system, 4, 367, 403, 782 Owen jet dust collector, 77 Oxygen chambers, 101 tents, 100 therapy, 100 Ozone, 64, 87 P* Fund heating, 4, 431 application methods, 431 calculation- principles, 433-436 control, 444 -- convection transfer. 434 design of panel, 436-444 electric, 243, 244, 433, 444 . embedded piping, 431, 432 hot water, 431, 437 installation, 444 output from surface, 431, 433 piping, 431. radiation transfer, 433 starting system, 432 steam, 431 warm air, 4, 264, 433, 434 - Panel radiator, 4 Particle rise chart, 76 Perfect gas relationships, 16 Perforated ceilings, 286 Perforated outlets, 285, 286 Perm, 4 Permeability, 4, 139, 141 Permeance, 4, 139-141 pH value, 523, 751, 754, 755 Physical unpurities in air, 64' Physiological principles, 63 acclimatization, 66 application to problems, 68 comfort chart, 72 effective temperature, 68 high temperature hazards, 66 thermal interchanges, 64 upper limits of heat, 67 Pipe coils, 217, 219, 689 heat emission, 219, 467-470 wall, 219 Pipe, piping, 447 application, 463, 464. breeching, 522 capacity, 219, 376-382, 407; 427, 767769 . . coatings, 762 Index to Technical Data Section Pipe, piping (continued) coil connections, 392 coil output, 219 cold water, 765 color identification, 12 commercial dimensions, 447-451 conduits for, 397 connection to heating units, 392 cooling tower, 772 corrosion, 751, 758 covering, 465 design, hotwater system, 403 dimensions, 447-451 economical thickness insulation, 474 expansion, 456-460 fittings, 451-462. fitting equivalent, 375,408,409,428,.770, 771 flexibility, 456-460' forced circulation, 403 freezing, 476 friction loss, 405, 406, 408, 427, 767-769 gas, 508, 509; hangers, 460 heat loses, 467-471 hot water beating systems, 403, 424, 428 hot water supply, 782 inside dimensions, 448-450 insulation, 400, 465 insulation to prevent freezing, 476 low temperature insulation, 475 materials, 447, 762 one-pipe forced circulation, 410 one-pipe gravity, 379 one-pipe vapor. 382 overhead distribution, 367, 403, 782 pressure loss, 38. 40 properties, 447-451, 462 refrigerant, 576, 577 rises, 375, 405. 426 cooling systems, 772 forced circulation, 405-413 gas, 508 nigh pressure steam, 376-381 high temperature water, 426, 427 hot water forced circulation, 405-413 indirect heating units, 383 low pressure, 376-379 ` one-pipe riser, 378, 382 one-pipe vapor, 378' orifice systems,-372, 373 pressure drop, 374, 375 tables for steam, 377-379 threading data, 449, 451 two-pipe forced circulation, 409 two-pipe low pressure, 382 - two-pipe riser, 378 two-pipe vapor systems, 383 vacuum systems, 383 water supply systems, 765, 767-769 steam distribution, 373-383, 397 steam heating systems, 373-383 supports, 460 surface, 447-451 symbols for drawings, 9 tax, 520 threading practice, 449 tunnels, 399 underground insolations, 478 unit heater connections, 230, 231, 368, 394 water supply, 765 welding, 455 wrought-iron, 447 wrought-steel, 447 Pitot tubes, 46, 648 Plate cell, 356 Plenum absorbers, 357 Plenum chambers, 4 Pneumatic control systems, 627 Pollen, atmospheric, 9Q Pollution of air, 75, 77 Polyphase motors, 659 . Ponds, 598 Potentiometer, 4, 646 Power, 4 Precipitators, 342 Precooling, 275 Premature infant nurseries, 98 Pressure absolute, 4 atmospheric, 1 changes in ducts, 293, 301 dynamic, 4 gages, 4, 647 loss, elbows, 259, 300, 375, .408, 428, 770' loss, water supply- piping, 767-769 measurement, 647 barometer, 647 regulators, 383 saturation, 4 static, 4 taps, 45 total, 4 vapor, 4 velocity, 4 Prime surface (see Heating .surface), 5 Process and product air conditioning, 699 calculations, 708 conditioning and drying, 707 control of chemical reactions, 707 general requirements, 699 humidities, 699-705 .. laboratories, 708 '' machining tolerance, 707 ' moisture content and regain, 705 polished surfaces, 707 process, 699 temperatures, 699-705 Propeller fan, 313, 316, 321 Protective coatings, 762 Psychrometer, 4. 651 Psychrometric chart, 28-35, 70 Psychrometiy, 4 Pump, pump* condensate return, 387 high temperature, 426 mechanical circulators, 414, 426 vacuum beating, 387 controls. 388 piston displacement, 388 Pyrometer, 4, 647 optical, 647 radiation, 647 R Radial flow fan, 313 Radiant drying, 739 Radiant heating, (see Panel healing) Radiation, 4, 49 baseboard, 218 equation, 50 finned tube, 219 load, 520 ratings, 220 shape factor, 54 thermal, 4 Radiator, radiators, 4, 217-219 baseboard, 218 codes, 217, 220, 7%), 791 concealed, 4, 221 connections, 393 correction factor, 221 direct, 5 xix Radiator, radiators (continued) effect of paint, 221 enclosed, 221 heat emission of, 217 output of, 217 panel, 4 ratings, 220 recessed, 5, 219 tube, 5, 218 types of, 217 Radioactive contaminants, 90 Railway air conditioning, [681 air cleaning, 682 air distribution, 682 heating, 681 humidity control, 682 refrigeration, 681 . summer systems, 681 temperature control, .682 ventilation, 682 winter systems, 681 Reciprocating compressors, 572 Recording equipment, 630 Rectangular duct equivalents. 297-299 Reducing valves, 383 . Reflective insulation, 108, 110 Refrigerant* refrigerants, *5, 555 dichlorodifluoromethane, 560-5 feeds, 325 monochlorodifluoromethane, 560, 561, 564 pipe size, 576, 577 tnchloromonofluoromethane, 561, 566 water, 569 Refrigeration, 559, 681, 683 absorption system,.570 accessories, 578 - air cycle, 569 basic concepts, 559 complex cycles, 568 compressors, 572-574 ' condensers, (see Condeiuen), 574 control, 572, 574, 576 coolers, 575 ' definitions, 559 discharge pressure, 567 equipment selection, 578 - evaporators, 575 expansion valves, 575 - float valves, 576 heat pump, 581-596 load, 177 mechanical, 559, 568, 683, 687 piping, 576, 577 reverse cycle, 559, 581 ship, 687 simple cycle, 561 steam jet, 569 subcooling, 568 suction, 566 .superheating, 568 Kbois for drawing, 9 ry, 559 ton of, 5. 559 x types of compressors (see Compres sors), 572,573 vapor compression cycle, 561 water jacket, 567 Regain* 705 control of, 705 hygroscopic materials, 706 static, 304 Register, registers, (aee Grilles) 247,277, 2S5, 289, 353 air aoises, 353