Document rBm7GBa9eN7Bw2wY2Y8z06O3G
Heating Ventilating Air Conditioning Guide 1956
Exhaust systems {continued) relocity contours, 1043 ventilation rates, 1044-1047
make-up air, 1035 maintenance, 1055 materials, 1053, 1050, 1053 performance, 1055 pressure loss, 1051 specifications, 1053 suction requirements, 1055 types of fans, 1054 velocity contours, 1043 velocity requirements; 1044-
1051 ventilation rates. 1044-1049
Expansion factor, gases, 81, 83 of pipe, 639.644 tank installation, 551 tank piping, 548 tank use; 549 tanks, 548 valves, 875
Explosion hazard, 138 Extended plenum systems, 472,
473
F
Pan. fans, 763 application,. 777 arrangement of drives, 772 attio, 779 location, 779 .axial flow, 763 centrifugal, 767 characteristic curves, 768-771 control, 774 designations, 764 drive position, 774 efficiency, 767 exhaust, 778 furnace system, 475 hot gas, 780 installation, 777 kitchen, 779 laws, 765 marine, 778 mine, 778 motive power,.775 noise generated, 946 performance, 763, 767, 768,946 radial flow, 763, 767 rotation, 773 ` selection of( 776 atr conditioning systems, 775 industrial exhaust systems, 1054 special application, 779 speed, 776 system characteristics, 771. types, 763 unitary systems, 778 velocity, operating. 776 volume control, 774
Panning formula, 69,556 Fever therapy, 142
equipment for production of, 143
Film conductance, 93, 167, 168, 177
Filter, filters. 781 air conditioning units, 613 atmosphere, 781 'charged media, 776 dry air, 785, 796, 1094 dust, 785 installation, 790 ionising, 785 ' maintenance, 789 moving curtain; 784 performance, 787 selection, 789, 793
testing, 787 vapor adsorption, 799 viscous impingement type, 783
Pitting allowance pipe, 609,537,1113 sheet metal, 482, 483, 740
Flash leg. 530 Flexible mountings, 959 Float trap, 524 Floor
cooling unit, 609 heat transfer coefficients, 194,
195
panel design, 580 unit heater, 595 Floor slab heat loss, .263
Flow
coefficient, orifices, 77 compressible fluids, 73 ' critical, 76 measurement
head meters, 78, 83 liquids, 78 orifices, 78 Pitot tube, 84,1152 variable area meters, 85 Flow meters, 78,683,1111 Flue gas analysis, 360 Flue gas dew-point, 364 Flue gas loss, 361 Fluids, flow, 67 theory, 67 Fluid metera, 78, till Fog, 4, 162 Force,4 Forced air heating system, 475 circulation pipe sixes, 542 convection, 91-93 Free convection. 92, 93 enthalpy, 4 Fleeting in gripes, 666
Friction loss air ducts, 489,731 circular pipes, 69 effect of area change, 744 elbows. 468, 482, 609, 637. 742, 1112 gas piping, 389 high temperature, 556 non-circular pipes, 72 refrigerant piping, 878. 879 water heating, 537,539- ' water piping, 537-639, 655, 1108-1110
Fuel, fuels, 331 analysis, 331, 341, 348 burning equipment, 387 classification, 383.334,340,349 consumption, 445 calculated heat-loss method,' 447 degree-day method, 449 load factor, 461 maximum demands, 461 seasonal efficiency, 440 unit, 466-459 firing methods, 336,336,337 s; gna.347 Squid, 340 solid, 331 unit consumption, 456,457 utilisation, 410.
Fuel oil. 340
analysis, 341
. carbon residue. 342
classification of, 340, 343
combustion of, 844
flashpoint, 342
grade of, 843
. .v .
maximum carbon dioxide
values, 359
theoretical air requirements,
357
viscosity, 342
weight per gallon,' 344
Fumes, 4, 151 -
Furnace, furnaces. 4,409
capacity, 413 casings, 4l5
Tin
Furnace, furnaces (continued) cast iron, 411 design, 397, 414 efficiency, 414 fan, 410, 411 filters. 410 . forced warm air, 410 gas-fired units, 385
. grate area, 413
Svity warm' air, 410, 412 ting surface, 412
humidification equipment, 415
materials, 411, 416 mftfthwni**1 warm air, 410 .
controls, 490 cooling methods, 492,.1132 dampers, 477 ducts, 477 fans, 410 filters, 410 method of designing, 414 motors, 410 ratings, 412 oil-fired units, 411 rating, 406, 412, 413 steel, 411 stoker-fired units,:368 types, 409 volume. 4, 340, 374, 377 warm air, 409
Gage* gages draft, 1149 pressure, 7f 1149
Garage ventilation, 246
1 Gas, gases, 152, 168,347 appuanoe rating, 389 atmospheric, 152, .164
burner controls, 876 burners, 385 calorific value, 348,349 chimneys for heating, 436 classification of, 349' combustion of, 350. equipment, commercial, 890
equipment, industrial, 890 * estimating consumption, '455 expansion factor, 81, 82
flammable, 157
flue, 358 heaters, 419 pipe size, 389 solubility. 985 ^ . space heaters, 386, 419 '
specific heat, 5 wall heaters, 387 .. ' '' . '
Gaseous fuels. 347
calorific value, 848; 349
classification of, 348,349
combustion of, 350,387.' *
fnn*rirrinm carbon' dioxide
values, 359
j
products of combustion,-854,
356 properties of, 348
specific gravity, 348
theoretical air requirements;
356,858 .
typical analyses, 848 ;
Gas-fired appliances, 384 v
boilers, 384
combustion process, 387'
controls, 406 conversion burners, 385
furnaces, 385 -
-
measurement of efficiency of
combustion, 887
pipe size. 389 ' '*
ratings for, 388
rising heating plants, 389
space heaters, s86
Glass coefficient of transmission, 200 deign tables, 209,306
beat absorbent, 302 -
Index to Technical Data Section
Glass {continued) shading of, 308 solar heat transmitted, 297,304 window transmittance, 800
Glass block walls coefficient of transmission, 200 solar heat gain, 305-307-
Globe thermometer, 1162 Graphical symbols for drawings,
air conditioning, 17, 21 duct work, 19 heating, 17, 18,19
.. ventilating, 19,20. Grate area, 5,404, 412'
Greek alphabet, 14
Grille, grilles, {tee registers), 465, 487. 476, 701, 716, 956
air supply noises, 955 attentuation, 949 exhaust, 465, 726 locations, 465, 720, 726
door, 727 floor, 727 wall, 727 mechanical furnace systems,
471 noises, 726,956 railway car, 1091 recirculating, 1091
selection, 956 velocity, 476, 726, 768 Ground temperatures, 262.
Guarded hot plate, 1161 Gun type oil burners, 376'-
H
Hangers pipe, 648
Hartford return connection, 495,620
Hay fever symptoms, 144 Health. 131,1031
Heat. 5
area transmitting surface.1131
auxiliary sources, 269,314
balanoe, 381
combustion, 332/349,-8S&.656
emission of
epplicances, 316
V
occupants, 120-122, 314..
pipe coils, 672
exchange measurements, 114
flow resistance, 99,167
flow through glass, 200, 297:
flowthroughroofs, 189,196-199,
292,296
flow through walls,. 186,' ,19(H
193, 294
gain, 275
Smerated by motors, 816 : amid, 6
- infiltration`equivalent,'811
' instantaneous lead.' 283, 310
introduced by outride air, 811
lag, 690
latent, 5, 268, 276, 813,' 314,
327
liquid, 5
loss, pipe, 653
mechanical equivalent of, 6,18
TTMtHr4<i of, transfer, 89''
radiant, 92, 95, 96
- ratio, sensible, 821
'
.'. 'removal, natural ventilation,
235 '
sensible. 5, 267,816
-
specific, 5
transfer, 89. 190-200, 564-669;
759, 1121
boiler rates, 397
overall coefficients, 167, 168,
178-200, 841, 1121,1122
Heat {continued) surface coils, 838
symbols, 17,94, 167 . through budding materials.
167
water coils, 1121,1122
Heat gain, 375 appliances, 316 ceilings, 311 components of, 275 ducts, 690. 759 electrical nesting equipment, 316 . . floors, 311
' gas burning equipment, 818 glass, 301-302 glass blocks, 305 infiltration, 311 instantaneous. 310'
. latent, 284, 312, 314 lights, 815 moisture, 319
. occupants, 314 outride air, 813 partitions. 307 people, 12u, 314 roof, 289,296 sensible, 283. 312 shaded windows, 308 solar, 301 -steam heated equipment, 317 various sources, 270, 819 . ventilation, 311
' wall, 289,294
Heat loss air change, 268 bare pipe, 566, 653 basement, 263 duct, 759 floor slab, 264 infiltration, 266' ir>nUt^H pipe, 656
latent, 268 residence problems, 270 sensible, 267 through ceilings and roofs,
286 ' transmission. 167.285 Heat pump, 848, &6, 887, 971^
1127 Heat removal, 237
Heater, heaters
direct-fired unit, 695 '"
electric, 597,963
gas, 419
design, 420
efficiency, 419 .
materials, 419
rating, 418
testing, 418
oil, 417
design, 419
, materials, 418
rating, 418 .
testing, 418'
solar water, 1125
solid fuel, 416
'
design, 417
material, 416
rating, 416
testing, 416
spare, 416
installation, 420
unit. 595, 964
vertical blow unit, 596
Heating
air conditioning units; 609 .f
' boilers, 395
v.
surface, 9,897
coil selection, 837
.district, 671
- ''effect, radiator, 667
electric, 963
hot water, 974
load, 249,319, 402,690 "
performance of omla; 841,1121.
reversed cycle refrigeration,
867
xvii
Heating (continued)
steam systems, 493 surface, 9
square foot of. 8 symbols for drawing,-17 . the radiator, 569
vacuum systems, 10, 493,500 vapor, 10, 498 warm air system, 10,463,475 water, 535,1118 Heavy duty fan furnace, 411
High duty humidifiers, 809.
High temperature hazards, 117, 137
High temperature systems, 553 boilers for, 559 circuits, 556
- control, 558
design, 655 economics, 656 fittings, 658 fitting pressure loss, 657
fundamental principles, 553
Soeral considerations, 553 sulation, 558 pipe, 558
pumps, 556 ' storage effect, 560 Hood, hoods, 1041 Horsepower, boiler, 2
Hospital, hospitals
' air conditioning in, 181,147'
operating rooms, 138 .. air conditions, 139
reducing explosion haxard, 138
. sterilization of air, 132 -
ventilation requirements. 140
Hot water
boiler supply load, 403, 1115 coil surface, 1121 demand per
fixture, 1106, 1107, 1118 person, 1115,1116.
' electric nesting, 974 heat pump, 1127 heating surface, 1121
indirect heater, 1119' . methods of hating, 1118 panel heating, 571
- safety devices, 1124 '' service, 1105
servire piping, 1122 solar heaters, 1125
storage tank, 1115 supply
boilers, 896, 974, 1118 piping, 1122
temperature control, 1123
Hot water heating systems,
5,535
circulation head, 535. S36-,r548
classification, 539. 642
direct return system, 542
elbow equivalents, 537, 557 -
expansion tank, 548
forced circulation..536,639, 544
friction heads, 53o' '
gravity, 585.539
available head, 535
. - circulation, 536
pressure heads, 535
high temperature; 553 - -
boilers,559
circuits, 556
oontrol, 558
design, 555
economics, 555
fundamental principles, 553
insulation, 55o.
pipe fittings, 558
pumps, 556
storage, 660
installation details,' 551
mechanical circulators;: 545,
546