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''Heating Ventilating Air-. Conditioning Guide 1946
'V'Slimmer air conditioning system. 399
Tables (continued)
Summer comfort, 230 Superheated steam, 8 Supply mains, 8 -
--
`heat transmission. 127, 514, 516, 522, 893 coefficients, 127
hot water demand, 889, 890 hot water pipe sizes, 452. 453
Supply openings, 399. 726
humidities, industrial air conditioning, 826
; measurement of velocities, 208
infiltration through outside doors. 171
types of, 726
infiltration through .walls, 168
Supports, pipe. 500
infiltration through windows, 170 inflammability, gases, 194
Surface
inside temperatures, 261
condensation. 139
insulation factors, 520
conductance. 2. 113. 120
iron elbow equivalents, 453
coefficients, 121
maximum allowable concentrations
external pipe. 515
dusts, fumes, mists, 192
' heating. 8
dusts. 192
extended. 8
metabolic rate, 237
* temperature.- 202, 357
minimum outdoor air requirements to remove
Suspended unit heater, 480
. odors,-217
* -
moisture content for materials, 826, 829
"
. Symbols. 11, 12
noise levels, 764 '
ductwork, 18, 19
particulate matter, size, 186
for drawings, 17
permeability to vapor, 291
.heat transfer, 113
physiological response
--
heating, 20
to gases and vapors, 191
piping. 17
to heat, 223
refrigerating. 21
pipe dimensions, 495. 496, 497
ventilating, 20
pressure loss
refrigerant line. 697
Tables/
T
. return intake, 731 properties of *
ammonia, 684
air changes,-172
- carbon dioxide, 685
air conditioning temperatures and humidities, 826 - air requirements, 217
dichlorodifluoromethane. 681 fueloil, 311 ..
. - air, volume of, 26
gaseous fuels. 313
altitude, pressure and temperature, 71 anthracite, size/307
lithium chloride, 669 methyl chloride, 683
_
area flanged fittings, 516 v ' attenuation between grille and room, 767
. formula, lining board, 770 in straight.ducts, 765.
moist air. 26 monofluorotrichloromethane. 686
water. 38. 686 radiation, black body, 107
of elbows. 766
radiation factors, 106
; average maximum water main temperatures. 646
radiator sizes, 469
, boiler ratings, 342. 343
regain of hygroscopic materials. 829
' ,-capacity'constants
relation between metabolic rate and activity. 237
- - - blow-throtlgb unit heaters. 482
requirements for fuel oil, 311
draw-through unit heaters. 483
return pipe capacities, 416.-417, 433
. carbon dioxide maximum, 302
screen mesh, 187
' ceiling temperature. 262
sheet metal gages for ducts, 755. 757
circular equivalents of rectangular ducts, 743
ship practice. 881 -
classification of - - coals, 305
smoke chart numbers, 212 solar radiation. 280. 283, 284. 285. 286
motors. 608
-specific heat of.compressible fluids, 80
climatic conditions, 258, 276, 277..
specific heat of solids, liquids, gases. 23
coal.classification. 305
State codes, standards or laws
'combustible elements and compounds, 298
air conditioning. 899 .
-. . combustion air requirements, 300
heating. 899
..combustion rates, 348
ventilating. 899 . -
. . .-
conductivity materials. 101. 117, 516
. steady-state conduction problems, 109 .
cooling coil arrangements, 161
steam consumption of buildings, 386
copper elbow equivalents, 453
steam pipe capacities, 412, 413, 415,-432 '
, . .corrosion resistance, 848
s temperatures, industrial air. conditioning. S26
. degree-days for cities. 380
theoretical air'requirements, 300 '
- ' design dry- and wet-bulb temperatures. 276. 277 '
thermal conductivity, 101,109 .
. draft requirements of appliances, 369
thermal convection conductance, 105
> dryers for evaporation of water,' 853
thermodynamic properties
.duct attenuation. 765-
moist air. 26
'
dast concentration, 188, 192
water, 38
``.
- - , elbow attenuation, 766
unit fuel consumption, 382
- emissivity factors, 106
' velocity.' return intake, 731
end reflection, 769
.water; properties438
environmental conditions, limits. 225
weight of air, 26 .
'
1 .exhaust pipes for machines. 838 . .factors influencing drying. 855. fitting dimensions, 502-508
Tank/ snwifa expansion, 456
*f
- flame temperature data.- 299
Taxi pipe, 344
"
" /-, flammability of gases and vapors, 194
freeconvection, 102 factors, 103
fuel oil properties, 311 fumes, concentration, 192
V gaseous fuel properties, 313 .heat gain
appliances, 289 *: : glass blocks, 287 -
insulated cold pipes, 522 !i heat, loss ,, . .bare copper pipe,-5l4
Temperature,'temperatures
absolute, 8 -
. attic, 263
*
automatic control, 593
",
basement, 265 .
V
heated,'265 -
'
unheated. 265 ...
control for railway passenger cars. 870
- control service water, 894
design wet-bulb, 651
-' _
' design zone map.' 260 '
.
' ...
dew-point. 54
'
^TrB/fet to Technical Data Section
Temperature, temperatures (continued) ' diy-bulb. 8
SKt&eJS. 226, 261, 551
f-.t-'*, ground. 265 -hazards, 222
^ industrial. 823 - * inside. 261
ft Vn ceilings, high. 262 si oroDer level. 261 < '. mean radiant, 231, 551, 559
' measurement, 199 thermocouple. 201
' thermometers. 199
operative. 551
.outside, 257 V sthuerframceo,d2y0n2a.m3i5c7wet-.b.u.lb. 53
' unheated spaces. 264
water main. 646 ; wet-bulb. 8
^Terminology, 1
-Test methods, 901 :y Therapy
cold, 250 . fever, 248
- oxygen, 252
.Thermal &*-*?' conductance, 113
_ ` conduction equation, 1W conductivity, 113
' convection, 101 , V5J; `.convection equation. 101
expansion of pipe, 498 . interchanges of body.- 319 ..radiation equation, 103
resistance, 7, 113 *resistivity, 7, 113 --steady-state conducUon problems, 109 p.i -. transmittance. 266 V; unit conductances for convection, 10j
J-i '^.Thermocouples, 201
Thermodynamics, _24 -V0*_. air and water mixture, 24
laws of. 9 jV. :wet-bulb temperature. 53, 643.
^'-Thermometers, 199 .
' ` .alcohol.-199
Km-'''*'dry-bulb, 227
*-**>/ globe.-211. 565
. Kata. 207.211
-mercurial, 199
y-L .- resistance. 202
*
gtem correction. 199
, tf- :. wet-bulb. 210, 227
if'^Thermostat, 9. 595 " room. 595 r,;;lThermostatic trap, 441
>Vfilting trap, 442 ;' grfv4Time' lag through walls and roofs. 280 Iv-^Toh ofrefrigeration, 7 ,
.Total heat, 5
'-^tTotal pressure, 7
Tower, towers , Vs'>r6ooling,'design. 655 ?i?>*'cooIing. performance, 661 'Trv-.-mechanical draft, 654 k/`^natural draft, 653 7-J., spray cooling, 653
^1-Towerdryer, 851
Transmissioa '
.'coefficient, 107, 114
-> * Heat losses. 266
`` normal heat, 275, 276 ..
;solar beat, 276 . . .
$ Transmittance, thermal; 9
_
^-^.Transportation air conditiomng, 8o7
"Trap, traps, 440. -^'automatic return,-442 '.. . bucket, 441 '^float;'441 *
impulse.-442 :Bteam, 8",' "thermostatic, 441 . g*'^tilting, 442
Traveling-grate stoker, 321
Treatment of disease, 241
Tube radiator, 7
Tunnel dryer, 853
Tunnels, pipe, 532
Turning vane,- 730
Two-pipe system, 9
Ultra-violet light, 189. 218, 243
Underfeed stoker, 318
Underground pipe insulation, 526
Unheated space temperatures. 264
Unit, units, 9 air cleaners, 581 air conditioners. 627 application, 633 cooling. 628 dehumidifying, 628 filtering, 628 heating, 627 humidifying, 628 ratings, 635 types of. 629 ventilating, 629 air coolers, 636 defrosting. 638 design. 636 performance, 636 ratings. 638 types of, 637.. air filters, 581 . British thermal; 2 direct-indirect heating, 9 fuel consumption. 382 heaters, 477 application. 478 boiler capacity, 487 capacity factors, 482. 483 control. 601 direct-fired, 477 electric, 477. 478, 481. 543 piping connections. 485 ratings. 479 suspended, 480 temperatures, 481 types of, "477 humidifiers, 492 - types of. 492 induction, 802 noise measurement, 762 systems, 627 . economics, 639 ventilators, 487 ` air exhaust vents, 491 applications. 490 capacity, 489 .. control, 602 ratings, 487 window, 492
Unitary equipment, 477 definitions, 477
Vacuum cooling unit, 700 heating pumps, 438 control, 440 piston' displacement. 440
heating systems. 9, 427
down-feed, 427 unit heater connection, 485. 486
Vacuum dryer, 853
Valve, valves, 508
. angle, 448 automatic, 509 .
check. 509 control, 448 expanson;*695,'710
gate. 508 g!obe.`508 reducing pressure, 434
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