HEATING VENTILATING AIR CONDITIONING GUIDE 1940 Fumes, 77, 778 toxicity of, 81 Furnace, furnaces, 364, 778 baffling, 365 boiler design, 242 capacity, 355 casings, 364 chimney sizes, 191 design for stokers, 208 fuel combustion, 163 gas-fired, 218 gravity systems, 349 mechanical systems. 349 volume, 173, 778 G Gafce Bourdon, 766 draft. 766 hook, 766 pressure. 766, 778 vacuum, 766 Garage, gas heaters, 219 ventilation, 647 Gas. gases. burner control, 664 burning furnace, 364 cleaning of, 512 combustion constants, 631 estimating consumption, 233 flue, analysis, 773 heat content,' 633 limits of inflammability, 79 threshold limits of, 617 toxic. 46 toxidty of, 81 Gas-fired appliances, 217 boilers, 218. 241 chimneys for, 198 combustion process, 220 controls. 220 conversion burners. 220 furnaces, 218 garage heaters, 219 . orsat test, 220 parlor furnaces, 219 radiant heaters, 219 radiators. 219 ratings for, 221 space beaters. 219 warm air radiators, 219 Gaseous fuels classification of, 175 combustion of, 176 flame temperature, 176 maximum carbon dioxide values, 163 products of combustion, 175 properties of. 176 theoretical air requirements, 161 Glass air leakage, 120 solar heat transmitted, 148 walls. 113 Globe, thermometer, 75, 724, 773 valves, 344 Grate area, 249, 778 Grate stokers, 199 Gravitational settling chambers, 512 Gravity convectors, 257, 263 A.S.H.V.E. code. 265 correction factors, 265 effect of superheated steam, 259 heat emission, 257 heating up. 261 *o1<w-tinn Gravity furnace systems, 349 Capacity, 355 design procedure, 349 leader pipe sizes, 350 proportioning wall stacks, 352 recirculating ducts, 353 recirculating grilles, 353 register selections,.353 return connections, 355 warm air, 778 (see Warm air heating systems) Grille, grilles, 529 (see Registers) air velocity measurement, 770 dampers, 542 deflection, 536 ejector effect of, 541 locations, 530 for mechanical furnace systems, 367 noise, 531. 572 selection of, 540 sound control, 533 types of, 541 velocity, 548 Guarded hot plate, 773 Gun type oil burners, 211 H Hay-fever, 77, 506 Health. 45. 80 Heat, 778 auxiliary sources, 135 of combustion, 159 content of gases, 633 content of refrigerants, 32 emission of appliances, 153 emission of occupants. 150 generated by motors, 153 infiltration equivalent. 125 latent, 31. 49, 57 of the liquid, 778 loss, 127 from bare copper pipes, 686 from bare steel pipes, 686 by convection. 717 from ducts, 694 by evaporation, 716 insulated pipes, 692 ` by radiation, 717 mechanical equivalent of, 779 outside air, 151 produced by cow, 647 . pump, 712 rate of production. 716 removal by natural ventilation, 644' -residence, loss example, 137 room load ratios, 387 sensible, 31, 49, 57 solar. 143 transfer, 85 of coils, 469 surface coils, 459 through building materials, 773 transmission, 143 coefficients, 85, 127 by convection, 683 by free convection, 685 by radiation, 683 utilization, 223 Heat gain, 141 appliances, 152 electrical heating equipment, 152 gas burning equipment, 152 glass, 148 insulated cold pipes, 698 for insulated ducts, 699 for insulated pipes, 699 ALPHABETICAL INDEX TO TECHNICAL DATA SECTION Heat gain (continued) latent, 143 light. 153 occupants, 150 outside air. 151 people, 150 roof, 143 sensible, 143 .

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 112 CHAPTER 5.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 requirements, in the air conditioning range of operation, is small for. a change of evaporator temperature.

HEATING VENTfLATING AIR CONDITIONING CUIDE 1940 19.

HEATING VENTILATING AIR CONDITIONING CUIDE 1940 B Page Barber Gas Burner Company, The, 3704 Superior Ave., Cleveland, Ohio............... 992 Barnes & Jones, Incorporated, 129 Brookside Ave., Boston, Mass.... ..................... 940 Barrett Co., The, 40 Rector St., New York, N.

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HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 HEAT TRANSFER COEFFICIENTS The symbols representing the various coefficients of heat transmission and their definitions are as follows: U = thermal transmittance or over-al!

HEATING VENTILATING AIR CONDITIONING CUIDE 1941 (U)Table 4.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 Consider the total heat gain as that resulting from solar radiation and neglect the heat transmission through the glass caused by the difference between the temperatures of the inside and outside air.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Table 9.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Example 1.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 capacity and heat conductance of the jacket, it is more difficult to obtain the true temperature at a point with these than with the exposed etched stem type.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 J -- Page .

In the Index to Modern Equipment are com plete detailed listings of heating, ventilating and air conditioning equipment and materials.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Table 11.