Document mm780y3XEBwRxBbDDQerKQQKd

Fuels (continued) classification, 271 grades, 271 g09 heating value, 272 indexes, 273 propertiae, 271,272 requirements, 271 sources, 272 storing, 809 viscosity, 809 solid, 269 analysis, 269 riMwfWtmn 269 Fumes, 147 Furnaces, 819 commercial and lndnatrial, 831 combustion equipment, 831 beat exchangers, 831 components, 829 blowers, 829 ___:__oon controls, 830 filters, 830 fuel considerations, 830 beat exchangers, 829 humidifiers, 830 motors, 829 electric, 831 forced air, 827 gravity, 829 ratings coal, 831 oil, 831 G Gage Bourdon, 248 draft, 248 electronic discharge, 246 McLeod, 246 Pirani, 246 Gas burners, 810 central systems, 810 combustion, 814 commercial and indwntw^ 812 controls, 815 conversion, 811 domestic, 810 floor furnace. 811 pipe rising, 813 space heaters, 812 vented wall furnace, 811 flammable, 150,156 universal cnnutant 87, 88 Gas-fired equipment, 805 central heating systems, 810 boilers, 811 furnaces, 811 combustion process, 814 commercial and Industrial, 812 atmospheric, 812 infrared heaters, 813 power burners, 812 control, 815 conversion burners, 811 domestic, 810 floor furnace, 811 pipe siring, 813 space heaters, 812 circulators, 812 duct furnaces, 812 radiant, 812 ASHRAE Guide And Data Book 1965 Gas-fired equipment (continued) room, 812 unit, 812 wall, 812 Gas, fuel, 273 classifications, 273 liquefied petroleum, 273 manufactured, 273 natural, 273 block, 510, 515 heat gain through, 500-515 Glossary, 951 Glycol, ethylene, 375 boOiiig point, 376 condensation temperature, 376 freezing point, 375 inhibition, 376 physical properties, 375 service considerations, 378 specific gravity, 377 specific heat, 378 thermal conductivity, 378 viscosity, 377 Glycol, propylene, 375 boiling point, 376 condensation temperature, 376 freezing point, 375 inhibition, 37o physical properties, 375 service considerations, 378 specific gravity, 377 specific heat, 378 thermal conductivity, 378 viscosity, 377 Grain, 127 drying rates, 129-131 moisture level, 127, 128, 134 oxygen supply, 127 storage, 127, 128, 133 temperature, 127, 133, 134 Grilles, 653 exhaust, 558 return, 558 accessory devices, 558 applications, 558 supply, 553 accessory devices, 558 applications, 558 special features, 555 H Halocarbon coolants, 379 density, 379 safety, 380 specific best, 380 thermal conductivity, 379 viscosity, 380 Hay drying, 132 quality, 132 Heat loses (pipe), 450-451 of fusion, 978, 980-982 food products, 980-982 liquids, 978 of vaporization, 978 transfer (flow), 417, 450-453 transmission coefficients, 417 Heat and mass transfer, simultaneous cooling and dehumiduying coils, 86 direct-contact equipment, 83 enthalpy potential, 82 Heat capacity (specific heat), refriger ants, 284, 285 Heat-distributing units, 857 applications, 861 baseboard units, 858 convectors, 857 finned-tube units, 859 heat emission, 857 pipe coils, 857 radiators. 857 ratings, 860 Heat gain appliances, 519-621 ceOingB, 616 commercial, 487-625 fenestration (glass), 505, 524, 527 floors, 616 industrial, 487-625 - infiltration, 516 instantaneous, 514 interior partitions, 516 latent, 487, 496, 528 lights, 518 moisture transfer, 519 motors, 518 outdoor air, 516 people, 518 residential, 625 sample calculations, 523 sensible, 526, 528 solar, 498 roofs, 498 walla, 498 windows, 500 total, 524,528 ventilation, 516 Heat loss basement, 480 calculations, 469-486 examples, 484-486 floor slab, 480 infiltration, 481 Heat pumps, 941 components, 947 compressors. 947 controls, 949 heat transfer, 948 refrigeration, 948 fundamentals, 941 heat source and rfnlm, 943-946 sir, 944 earth, 944 solar, 944 water, 944 heat storage, 949 performance characteristics, 946 system balance, 946 temperature levels, 946 types, 942, 943 Heat stress, 101 effect of clothing 104 human tolerance, 106 measurement, 107 Belding-Hatch index, 109-111 effective temperature index, 107 predicted 4-hr sweat rate, 109 Robinson index of physiological effect, wet-bulb globe temperature fndwr. 109-111 Heat transfer boiling. 59 flooded evaporators, 60 Index to Technical Section Heat transfer (continued) calculations, 523-525 coefficients, 505 condcr outride tubes, 63 conduction, 49 steady-state equations, 51 convection, 55-59 forced, 57 natural, 55 extended surface, 65 fin efficiency, 65 fenestration areas, 500, 514 overall, 68 pwn temperature difference, 69 resistance method, 68 radiation, 61 absorbtivity, 52 actual, 52 angle factor, 53, 54 black body, 51 diffuse,'53 emurivity, 52 energy exchange calculation, 53 gray oody, 52 through insulation, 70 Heat transfer coefficients boiling, 60, 61 condensing, 64 conduction, 51 finned tubes, 67 forced convection, 56 natural convection, 55 overall, 68 Heat transmission, 417 ceilingn, 436-442 doors, 448 effect of wind velocity, 448 floors, 436-442 light transmitting partitions, 447 overall, 417 partitions, 434, 435 roofs, 439-443 skylights, 447 walls, 428-435 windows, 447 Heaters, unit, 851 application, 852 classification, 852 control, 855 beating medium, 853 location, 854 maintenance, 856 . piping connections, 855 ratines, 854 sound level, 854 types, 852, 853 Heating boilers, 819 cast-iron, 819 connections and fittings, 825 design considerations, 820 efficiency, 823 erection, operation, and maintenance, 826 rating, 820 test codes, 820 selection, 824 space limitations, 825 steel, 819 coils, 613 applications, 614 construction, 613 Heating (continued) design, 613 flow arrangements, 614 heat transfer, 615 performance, 616 ratings, 615 selection, 615 steam, 613 water, 613 furnaces, 827 commercial and industrial, 831 components, 829 electric, 831 forced air, 827 gravity, 829 ratingB, 831 gas burners, 810 central systems, 810 combustion, 814 commercial and industrial, 812 controls, 815-817 domestic, 810 floor furnace, 811 pipe sizing, 813 space heaters, 812 vented wall furnace, 811 oil burners, 806-810 classification, 806 combustion, 807, 808 commercial, 808 controls, 815 domestic, 806 forced draft type, 806 gun type, 806 induced draft, 806 industrial, 808 rotary, 807 vaporizing, 807 space heaters, 832 construction requirements, 833 controls, 832, 833 efficiencies, 833 floor, 832 gas, 832 oil, 832 performance requirements, 833 room, 832 sealed combustion systems, 833 solid-fuel, 832 wall, 832 unit heaters, 851 application, 852 classification, 852 . control, 855 heating medium, 853 location, 854 maintenance, 856 piping connections, 855 ratings, 854 sound level, 854 types, 852, 853 unit ventilators, 847 air capacity ratings, 847 application, 849 classification, 847 control, 849 exhaust vents. 850 heating capacity ratings, 849 heating capacity requirements, 848 location, 850 window downdraft prevention, 850 year-round, 851 Heating load, 469 calculations, 469--488 auxiliary beat sources, 483 design conditions, 469-478 examples, 484-486 Infdtratujn heaTSas, 481 Heating load (continued) transmission heat loss, 481 weather data, 469-477 wind speeds, 482 Hospitals, 137 air conditioning, 137 airborne infection control, 138 allergic disorders, 142 maintenance of air conditioning, 144 nurseries, 141 odors, 144 operating room, 140 patient rooms, 142 pollutants, 143 therapy, 143 Human body, 101 effective temperature, 107, 108 environmental conditions and comfort, 109 heat acclimatization, 105 heat stress, 107, 110 high temperature h*wli^ 104 low temperature hazards, 104 metabolic rates, 104, 108, 109 odors, 101, 102 physiological effect, 108 predicted 4-hr sweat rate, 109 thermal interchanges, 102 upper limits of heat, 106 Humidification, 593 air washers, 595 industrial, 601, 602 calculations, 602 types, 601 residential, 600 calculations, 600 controls, 601 sizing, 600 types, 600 Humidifiers, 593 industrial, 601, 602 calculations, 602 tjpee, 601 residential, 600 calculations, 600 controls, 601 rising, 600 types, 600 Humidity measurement, 255 ratio. 29 relative, 29, 411, 412 npning elements, 173 Hygrometers, 255 Icemakera, 923 compressed ice mar-hlras, 924 design requirements, 925 flaked fee machines, 924-926 clear lee, 924 specifications, 920 white Ice, 924 Ice cube, 923, 924, 927 dear ice, 923 solid foe, 924 specifications, 927 performance characteristics, 925 system design, 925 electrical, 928 pitfalls, 928 refrigeration, 925 Storage bios, 928