American Society of Heating and Ventilating Engineers Guide, 1924-25 TEMPERATURE AND HUMIDITY CONTROL Air washers require method of control of temperature to prevent freez ing by too low temperature and of overhumidification by too high temperatures of the air entering and leaving the washer.

American Society of Heating and Ventilating Engineers Guide, 1924-25 reason why mains should be a certain percentage greater area than the sum of the connections, and still lower power consumption can be ob tained by using larger branches and mains of equal area.

Roll of Membership HOOPER, Wyllys G. (1921), Mech.

American Society o/'Heating and Ventilating Engineers Guide, 1926-27 EXAMPLE IN THE USE OF THE CHART Determine the percentage of perfection of ventilation in a room where the following conditions are observed.

American Society of Heating and Ventilating Engineers Guide, 1926-27 THE COMFORT ZONE That range of effective temperatures over which 50 per cent of people feel comfortable, namely 62 deg. effective temperature to 69 deg. effective temperature, is called the Comfort Zone.

American Society of Heating and Ventilating Engineers Guide, 1926-27 Consideration must also be given to the natural movement of the fumes.

LIST OF MEMBERS Arranged Geographically UNITED STATES ALABAMA Birmingham-- Boisclair, H.

Sr American Society of Heating and Ventilating Engineers Guide, 1928 d.

American Society of Heating and Ventilating Engineers Guide, 1929 selection of stoker self-feeding stoker devices shaking grates sizes of fuels for dumping grates stationary grates stoker installations types of stokers under-feed stokers use of Page 161 161 160 160 160 161 161 161 . 162 volume of flue gases Mechanical exhaust 162 359 Mechanical ventilating systems, design of Meter 359 Nicholls' heat oil 14 231 Methods of drying 449 Methods of fan application 380 Mixtures analysis of ozone-air 445 Moisture content calculations explanation of 452 452 Moisture amount of in saturated air 454 removal of 456 Mechanical equipment of federal buildings amount of steam used 354 conduit and wiring 351 costs, boiler and engine room 356 cost of heating ^ . 354 cost of maintenance and operation 354 cost of operating supplies 354 cost of repairs 354.355 .. direct steam radiation equivalent . 356 drinking water 350 electric plants, data on isolated 354,355 electric power and light, average and maxi mum demand for 356 elevators . 351 employees 353 fire hose 349 fuel rooms 351 heating boilers 351 heating distribution , 350 heating requirements 356 hot water heaters 350 illumination 351 machinery, charges and depreciation for 356 marine hospital dining rooms 353 marine hospital kitchen equipment 351, 352, 353 marine hospitals 352 maximum demand for steam 355 monthly consumption of steam 355 operating data on federal buildings 353 sewers 350 size of water service .350 storage tanks 350 ventilation, mechanical 351 N Natural draft Natural drying Natural forces in ventilation Natural ventilation Natural ventilation . application of Nicholls' heat meter Noise .elimination of 455 449 471 471 482 14 361 O Office buildings hot water requirements Oil domestic fuel traps viscosity of Oil burner application of automatic control comparative cost figures installation natural draft operation of burners . types and characteristics 341 220 309 282, 283 265,266 226,227,229 224 220 223 220 Oil burning domestic and industrial Openings ventilating Operating data on federal buildings Ozone chemical properties of deodorizing of determining proper concentration of determining required capacity of germicidal properties of industrial uses of in regard to cold storage in ventilation physical properties of production of water purification by Ozone--air mixtures analysis of Page 219 474 353 442 443 445 446 443 448 448 441 441 444 448 445 Physiological effects of ventilation Pipes amount of corrosion in 345 area of standard size 128 brass 347 capacity of 88 capacity of, at various pressures 90.91 corrosion in 345, 347.348 corrosion in copper and brass 347, 348 description of, size tables 89.93,95, 97 determining, sizes for gravity hot water heating 128,129 determining the capacity of. 98 effect of composition of iron on corrosion 345 factors for sizes of, in gravity hot water heating 129 fittings ' 348 flow of steam in 86 heat insulation for, and surfaces ' 247 method of determining sizes for hot water heating systems 122,123.125,127 oxygen removal 345 per cent difference in capacity of 95 run of and expansion in greenhouse heating systems 215 scale on 343 scale, removal of 343 sizes and thicknesses of copper and brass 347 . sizes of return in central heating systems 211,207 standard dimensions of wrought 344,346 uniformity of wrought 343 Pipe expansion determination of -205,207 pipe sizes 209,211 Pipe sizes central heating system 209,211 cold water supply 335,336 description of, tables 89,93,95,96, 97 determination of, for steam heating 87 for air sealed or closed hot water heating systems 130 for hot water systems 341 for risers 335,336 general data on tables 88,89 length of run 87.92 one-pipe gravity low pressure steam 96.100 pressure drop 87 principle in determining 335 - steam heating 87 two-pipe gravity low pressure steam 97.101 two-pipe gravity vapor systems QQ two-pipe vapor heating systems 102,103 unusual conditions in 88 `vacuum pump systems 104,105 Piping arrangement of 119,121 arrangement of in greenhouse heating systems^ 218 boiler 139 brass 347 connections for unit heaters 202 copper and brass 348 x 'echnical Data Section Page description of. systems for steam heating 80 down-feed system of 80 friction in elbows 340 gravity system of 80 high-pressure systems for unit heaters 202 layout 130,131 one-pipe gravity and vapor systems for unit heaters 202 pressure heads 124 service 87 systems ^ . 311 systems for hospital sterilizers 331 systems for laundry,- kitchen and hospital equipment 311 two-pipe gravity connections for unit heaters 202 typical connections 108,112 up-feed system of 80 vacuum system of 80 vacuum system return for unit heaters 202 vapor system of 80 Pitot tubes 364 code for the use of 483 Power requirements kitchen 324 Pressure total 335 water 339 Production of ozone 444 Proper humidity 378 Psychological factor in ventilation 361 Psychrometer 362 Psychrometric chart 372,375 Public buildings unit systems for 389 Pumps air capacities of _ 295 air test for vacuum heating 296 automatic condensation and receivers 289 boiler feed piston speeds and efficiencies 287, 288 capacities of boiler feed 287 capacity of centrifugal 289 capacity of receiving tanks 295,296 condensate of continuously operating 291 condensation 291,293 definitions of fittings definition of terms used 303 304,305 freely vented air separating tank 299 horse power of motors 305 installation data j 305 kinds of 287 lifts location of receiving tank ' 301 295 piston speed of 290` piston speed of vacuum heating 295 size of steam driven vacuum heating 297 specifications of 302 standard equipment of 304 steam cylinder sizes of reciprocating 298 type of drive of vacuum heating 295 types of 287,289,294, 303 typical connections for vacuum heating 299, 300,301 volumetric displacement rate of vacuum heating 295 water capacity of vacuum heating 296 water cylinder sizes of 297, 298 Radiant heat 449 Radiation amount of, in gas heating 242 calculation of amount of 74, 75 heat, and convection 10,11 hot water in greenhouses 216,217 in greenhouse heating systems 215,216 proportionate for various room temperatures 74 Radiators ' automatic control for direct-indirect 263 application^ automatic control to hot water 264 calculation of heat emission of indirect 71,72 cast iron gravity indirect 71 concealed 66 condensation rate in 75, 76 design of 66 Page determination of size of 114,115 direct 66 direct-indirect 66 effect of enclosures with cast iron. on heat emission 77,78 effect of painting cast iron 76 heat emission of cast iron 65, 67, 68,69 kind of heat emitting units 65,66 location and selection of cast iron 72,73 rating of 66 recessed 66 semi-indirect 66 specifications for cast iron 78 temperature drop 118 useful heat output of 67 Rating coal fired boiler 136 for fan furnace heating 193 for gas heating appliances 238,239 gas fired boiler 137 of air cleaners 440 of boilers for oil fuel 137 of industrial unit heaters 198 Receivers volumetric capacity of 389 Recirculation of air in ventilation 361 Refrigerating units application of automatic control 270 Refrigeration cost of 270 Registers free area in warm air 174 Relative humidity affect on human comfort 377 in ventilation 359 warm air furnace research 179 Risers branch 80 effect of reaming 95 water 337 Roof ventilators capacities of unit type 478 continuous type of 480 unit type 474 Room temperatures in ventilation 362 thermostat 223 Rotary ventilators 476 Saturated air 454 Schools air for ventilation of 358 unit systems for school work * 390 Selecting exhaust fan' 567 sensible heat 373 Smoke bomb . 366 Smokes definition of 433 Special problems on drying 456 Spray dryers 450 Stack draft from 162 function under natural draft operation 162 ratio of stack area to leader area . 172,173 size of wall 171 Standard method for measuring air velocity 432 Standard of the A.

American Society of Heating and Ventilating Engineers Guide, 1929 Chapter I--Heat Losses from Buildings T a b l e 16. n f il t r a t io n through D o u b le H ung M e t a l Sash W indow s per F oot of C rackI 52 53

American Society of Heating and Ventilating Engineers Guide, 1929 In designing for a lower warm-air register temperature, say 160 deg. fahr., the factors 111, 166 and 200 become 80, 140 and 166 (Fig. 1 at 160 deg. fahr.), and the resulting equations are:- Leader areas for first floor, square inches = H = approximately 0.012H (4) Fig. 2.

American Society of Heating and Ventilating Engineers Guide, 1929 approximately 1.27 times the cubic feet of air admitted through the intake per hour on a zero day.

American Society of Heating and Ventilating Engineers Guide, 1929 Water Requirements Hot water requirements for kitchens may be taken as 20 gal. per hour for each sink faucet and 40 gal. per hour per 1000 pieces capacity pier hour of dishwasher.

American Society of Heating and Ventilating Engineers Guide, 1929 Table 1.

American Society of Heating and Ventilating Engineers Guide, 1929 above the machine and where a heavy vapor or dust-laden air at ordinary temperature is to be removed, horizontal or floor connections are re quired.