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American Society of Heating and Ventilating Engineers Guide, 1928 Page Radiators 57 effect of enclosing 73-76 direct-indirect temperature control of 250 effect of painting 75 effect of position 78 heat emission of 58 hot water temperature, control of 250 specifications for. 78 Rating of air washers and filters 316 Rating gas heaters Recirculation, arrangements for percentage of air' used in 236 269 269 Refrigeration, ammonia vapor re- quired one ton 326 Register, warm air 203 Registers, recirculating 205 Relative humidity 265 Ratings gas appliances 230 Research, residence warm air . 208 Resistance, factors in exhaust and collecting system 347 Resistance frictional of straight con- veyor pipe 348 Risers, capacities of up-feed 96 Risers, effect of reaming entrance to 109 Riser connection, expansion 111 Risers, water supply 147 Roof insulation Room temperatures 39-43 4 Room temperatures, control of 249 Room temperatures, radiation for 72 Rotary dryer 338 S School, temperatures ventilation . recirculation unit system for 4 266 266 299 Sectional conduits 264 Semi-direct radiators 57 Spray dryer 338 Sprays, cold 319 Stack sizes . 162 Standard code for installation of warm air furnaces 211 Steam 96 capacity of pipe for various veloci- ties of 87,96 capacity at various pitches 110 distribution of 85 piping connections 111 flow of in pipe 90,94 pressure losses with low pressure 92 Page Steam heating pipe sizes for 85 Steam heating systems 79 definition of 79 description of 81 pipe sizes for one-pipe 98,102 `pipe sizes for two-pipe 99,103 pipe sizes for vapor 100,104,105 pipe sizes for vacuum pump 106,107 for humidification 313 required for drying 340 requirements for air washers 313 Stoker. 356 fans 356, mechanical 355 Surface losses, effects of air velocity on 261 Surface of pipe, radiating 259 System 312 air heating 192,197,291 air supply 292 automatic regulation of tempera ture and humidity 312 blow; through 291 capacity of pipe for two-pipe steam 96 central fan 193 design of furnace 198 draw through 292 efficiency of exhaust arid collecting 347 exhaust and collecting 341 fan blast 192, 291 fan for heating and ventilating 291 gravity hot water 131 green house heating 137 not water open and closed 124-125 indirect air required for 293 losses in ducts 296 of ventilation 291 pipe sizes for vacuum 106-107 piping for hot water heating 117 plan for heating and ventilating 291 steam heating 79 steam one-pipe and two-pipes 80,81,82 typical connection for hot water 128 unit 193,298 unit ventilating temperature con trol of 248 .vacuum and vapor 83,100,106 warm air furnace heating . 198 water supply and piping .147 Synthetic air chart 271 how to use . 271 typical example for use 276 T Tank installation of oil storage oil storage Temperature and wind velocity automatic regulation of breathing line drying .222- 222 222 243 .5 243 4 339 x Alphabetical Index to Technical Data- Sections - - ' 2. i l ii. f Page Page effect of high and humidity 268 Ventilation 265 heat and humidity control 312 air circulation in :269 how humidity and air motion air supply for 265 affect human comfort 279 bacteria 275 inside 4 cooling in summer 319 outside 5 definition of 265 water 120 effect of 268 Temperatures 72 effect of dust on 274 attic 19 effectiveness of 266 radiation for room 72 factors in 265 Temperature regulation, automatic measurements of 271 applications of 245 natural 289 Testing 165 operation of system important 270- code for low pressure steam heating 165 percentage of perfection 273 standard form for reporting boiler presence of odors 275 tests 168 present status of 265 Theatre, cooling of temperatures 4 requirements, typical case of 267 Thermostats 243 systems of 291 double control 253 unit system for heating and 298 location of 246 Ventilators Transmission co-efficients, definition of 5 computation of heat 8, .heat 7 temperatures 4 Transmission 74 heat, effect of humidity on 74 Transmission losses, heat calculation for 20 Tunnel dryer 338 Ventilator application of capacities of classification of design of location of regulation of air flow resistance to air flow 359 366 366 362-364 359 360 294 295 361 Two-pipe steam system Types of gas heaters 81, 82,99,103 230 Wall coils w 70 U Wall construction, heat transmission Unit heaters, location of 298 from 21-35 types of 298 Wall insulation 21-35 Wall stack V capacity of 200 201 Vacuum pump, motor driven 187 Vacuum pump system 83,86, 88,106,107 Valves, results of tests on 110 Vapor system 83,84,100,104,105 Velocity 261 air, effects of on surface losses 261 air for mechanical draft 355 Ventilating 291 Warm air heating, automatic tem- perature control of 251 Warm air registers 202 Water flow 147 Water, gallons required for cooling 320 Water supply, formula 152 Water supply, hot 153 fan system for heating and 291 Wind ducts for heating and 296 effect of 44 temperature control automatic for infiltration from 45 unit system 248 movement 44 XI