Document MJ7jaB6pbd22YnZRB2g1158B7

Heating Ventilating Air Conditioning Guide 1949 Hospital, hospitals air conditioning in, 233 operating rooms, 237, 238 air conditions, 238 reducing explosion hazard, 237 sterilization of air, 233 ventilation requirements, 237 Hot water .boiler supply load, 381, 947 coil surface, 959 demand per fixture, 947, 957 person, 955 electric heating, 611 htftting surface, 959 indirect heater, 958 methods of heating, 956 panel heating, 615 radiant heating, 615 service, 947 servioe piping, 949, 954 solar heaters, 962 storage tank, 955, supply boilers, 374, 609, 957 piping, 955 temperature control, 961 Hot water heating systems, 5,503 circulation head, 513 classification, 507 direct return system, 507 elbow equivalents, 505 expansion tank, 515 forced circulation, 504, 511 friction heads, 504 gravity, 511 available head, 503 circulation, 503 pressure heads, 503 installation details, 519 mechanical circulators, 515 one-pipe forced circulation, 513 gravity circulation, 513 orifice friction heads, 509 pipe sizes, 505 forced circulation, 503 gravity circulation, 503 piping design, 510 pressure head, 504 reversed return system, 510 systems of piping, 507 two-pipe forced, 515 gravity, 514 zoning, 519 Homan body acclimatization, 220 adaptation. 217 cold conditions, 220 hot conditions, 220 beat emission, 215, 217, 222. 310, 616 high temperature hazards, 219 metabolic rates, 218, 225 odors, 215 temperature, 215 zone of evaporative regulation. 216 Humid heat, 5 Humidification, 545, 559, 711 control, 447, 663 direct, 715 mechanical furnace systems, 393 Intermittently heated buildings, 266 Interstitial condensation, 147 Isobaric, 5 Isothermal, 5 Humidifier, humidifiers air washer, 709 atomizing, 715 high duty, 716 spray, 716 unit, 545, 559, 716 Humidify, 5 Humidistat, 5, 664 Humidity, 5 absolute, 5 control, 664, 930 influence of, 226, 240 measurement of, 204 nurseries for premature in fants, 240 permissible relative, 144 ratio, 5, 35 relative, 5, 66, 861 Hydraulic radius, 99, 105 Hygrostat, 5, 664 J-K-L Joints, duct, 826 Kata-thermometer, 204, 527 Latent heat, 5, 264, 861 loss, 264 Laws of thermodynamics, 9 Leaders, 433 Leakage of air, 161 door, 162, 165, 263, 308 window, 162, 164 Light heat gain, 311 Lignite, 326, 328 Lint, 648 Liauid absorbents, 740 heat of, 5 Lithium chloride, 735 Ice systems, 764 Impulse trap, 495 Inch of water, 5 Induction units, 865 high pressure types, 865 low pressure types, 866 Industrial air conditioning, 885 exhaust systems, 895 humidities, 886 process, 885 temperatures, 886 Infiltration causes, 161 due to wind pressure, 161 heat equivalent, 263 heat losses, 263 latent, 264 sensible, 263 temperature, difference, 166 through outside doors, 165 263 through walls, 162 , through windows, 162, 164 Inflammability, 188, 332 Inside temperature, 255,272,938 Instruments, 193 Insulation, 5, 579 duct, 829, 833 economical pipe thickness, 591 gravity furnace duct, 433 low temperature .pipe, 588 . pipe, 579 pipes to prevent freezing, 589 ship, 945 sound, 843 underground pipe, 593 - Load cooling, 60, 271, 862 design, 6, 271 heating, 249, 863 maximum, 6, 380, 381 refrigeration, 271 M Machine vibration, 853 Manometer, 6, 197 Marine heating, ventilation, air conditioning, 937 dehumidification. 944 factors affecting design, 938 general consideration, 937 insulation of hull, 945 ducts, 946 refrigeration, 944 requirements for space, 940 * bakery, 941 bath, 940 cargo. 941 food handling, 941 galley, 941 laundry, 941 living, 940 machinery, 940 shower, 940 , storeroom, 941 toilets, 940 washroom, 940 systems, typical, 942 Mass, 5 Mb, 506 Mbh, 506 Mean radiant temperature, 221, 615, 623, 675 Meter, meters, 601 condensate, 601 xvni > .- }.; i Index to Technical Data Section Meter, meters (continued) differential, 602 flow, 601 Nicnolls' heat, 208 orifice, 89, 602 selection, 603 velocity, 602 venturi, 202 Metering, liquids, 90, 601 Metering steam, 89 Micromanometers, 198 Micron, 6 Mist, 180 Moist air, 23 saturation, 49 volume, 35 Moisture, 888 content, 911 loss per person, 216, 224 permeability, 146 regain, 889, 890 Mol, 6 Monoflourotrichloromethane, 747, 751 Motor, motors, 388, 677 adjustable speed, 683 adjustable voltage, 684 alternating current, 685 capacitor type; 689 classification, 678 compound wound, 681 constant speed, 681 control, 681 control equipment for, 679 direct current, 680 electric, 677 enclosures, 695 Noise, noises (contintiei) Hwwgn room level, 840 duct sound absorbers, 842,843 duct system attenuation, 842 fans, 841 genial problem, 838 kinds of, 839 levels, 783, 840 loudness, 841 measurement, 838 planum absorption, 845 through building construc tion, 853 transmitted through ducts, 839 unit of measurement, 837 Nozzle flow, 83, 85 Nozzle installation, 96 Nurseries for premature infants, 239 4 air conditioning equipment, 240 air conditioning requirements, 239 o Odors, 183, 213, 215, 246 human body, 213 Oil, oils classification of, 329 combustion of, 333,361 estimating consumption, 427 multi-speed, 688 polyphase, 685 rating, 677 repulsion induction, 689 * series wound, 681 shunt wound, 680 single phase, 689 specifications, 682 speed characteristics, 681, 686 split phase, 690 squirrel cage induction, 690 synchronous, 687 wound rotor, 691 Multiblade fans, 637 - Oil burners, 357 boiler settings, 363 classification, 357 combustion adjustments, 362 combustion process, 361 controls, 364, 666 domestic. 357 furnace design, 363 gun type, 357 measurement of efficiency o combustion. 363 mechanical dnut, 357 operating requirements, 361 rotary type, 358 vaporizing type, 359 N Natural draft, 399 towers, 719 Natural ventilation, 169 general rules. 175 heat removal, 171 One-pipe system. 462, 507 gravity air-vent, 482 hot water, 507 steam, 6, 461 supply riser, 6 unit heater connection, 552 vapor, 464 Noise, noises, 837 absorptive material. 844, 847 air conditioning system, 838 air supply opening, 849 apparatus for measuring, 838 controlling vibration, 853 crass transmission between Opening, openings air supply noises,' 849 stacks, 175 types of, 173 doors, 173 roof ventilators, 174 skylights, 173 windows, 173 Operating rooms, 237 conditions, 238 reducing explosion hazard, 237 sterilization of air in; 239 Operative temperature, 615 Orifice discharge, 89 flow* 83, 85 heating systems, 470 Orsat apparatus, 204 Outdoor air, 857, 940 Outlet, outlets air supply noises, 849 ceiling, 796 duct approaches, 800 location, 804 performance, 793, 798 selection, 798 side outlets, 802 sound absorbers, 847 Outlet locations, 797 cooling, 805 heating, 804 Outside temperature, 251, 275 Overhead distribution, 599, 954 Overhead system, 6, 599 Oxygen chambers, 245 tents, 245 therapy, 244 Ozone, 215 P Panel heating, 615 calculation principles, 620 electric, 620 hot water, 618 steam, 619 warm air, 618 Panel radiator, 6 Particle size chart, 181 Per cent of saturation, 49 Perforated ceilings, 797 Perforated outlets, 797 PH value, 967, 970 bon, 837 Physical impurities in air, 215 Physiological principles, 213, 61.6 ' Pipe coils, 522 heat emission, 522 wall, 522 Pipe, piping, 561 capacity, 476-482, 506, 947 coatings, 982 coil connections, 500 commercial dimensions, 561 conduits for, 597 connection to heating units, 500 corrosion, 965 design, hot water system, 510 forced circulation, 512 gravity, 511, 512 one-pipe forced circulation, 513 one-pipe gravity circulation, 513 two-pipe forced circulation, 515 two-pipe gravity circulation, 514 dimensions, 563 XIX