Document MMdwKv51V3448jbozoRQjGpQ7
Heating Ventilating Air Conditioning Guide 1955
Index to Technical Data Section
Hot water heating systems*
5,527 circulation head, 527, 528, 535
classification, 531, 534
direct return system, 534
elbow equivalents, 529, 550
expansion tank, 540
forced circulation,-528,531,536
friction heads, 52S
gravity, 531, 535 <
available bead, 527 - -
circulation- 527
pressure heads, '527
high temperature, 545
boilers, 551
circuits, 548
*
controls, 551
design, 547
economics, 5*7- `--
fundamental (principles, 545
insulation, 549 '
pipe fittings; 649-:
pumps, 548 *ii
storage, 552 ' - -
installation details, 543 '
mechanical circulators, 537,
548
one-pipe forced circulation, 532,. 535,
537 gravity circulation,' .531,
534,537
orifice friction heads, 533 '
pipe sixes, 529-531, 547 forced circulation, 527-632
gravity circulation, 527--532
piping design, 528, 548
pressure head, 527, 548
relief valve, 544 reversed return system, 534
safety devices, 544 -
systems of piping* 534
two-pipe forced, 532, 535, 539
gravity, 530, 535, 538
coning, 544
Human body .: v acclimatization, 118 adaptation, H3`;; cold condition, 115 hot conditions, 115, 308 -.
heat emission,1120, 308 high temperature hasards, 117
metabolic rates, 113
odors, 113 temperature, 114 thermal Interchanges, 113 cone of evaporative regulation,
115 Humid heat,.5
Humidification, 607, 799, 801
control, 482, 905 direct, 801* : " forced furnace systems, 482
Humidifier, humidifiers air washer, 801 atomizing, 803 high duty, 803 self-contained. 804 spray, 803 unit, 803
Humidistat, 5
Humidity, 5 absolute, 5 control, 6S1, 905, 1082 influence of, 122, 141 measurement of, 1145 nurseries for premature in fants, 140 ratio, 5, 25 relative, 5, 25, 689
Hygrometers, 1145-1147 Hygroscopic materials, 1016 Hygrostat, 5, 896
Ice systems, 865
Impulse trap, 516-519 Inch of water, 5 Induction units, 684
high pressure types, 684 low pressure types, 684
Industrial
.cur conditioning,;!005.
calculations,1021
conditioning : and . drying
1017
contaminant'control, 1021
. control, of chemical reac
tions, 1017 -
dilution systems, 1022 :
general requirements,11005,
1021 v,
humidities, 1006-1016, 1020
. laboratories, 1020 ;J-
. local relief, 1023
machining tolerance,' 1020
moisture contentandiegain,
1016..................
polished surfaces, 1020
process, 1005
safety, 1021
spot cooling* 1026: .
static electricity, 1020
temperatures-, 1006-1016
exhaust systems, 1031
'
Infiltration
causes, 221. due to wind pressure* 222
heat losses, 260 . latent. 262
sensible, 261
measurement, 1145 temperature -differences, 227 . through outside doors* 223,
225 through walls, 222 through windows, 223 Inflammability, 162 Inside temperature, 252, 253,
270 Instruments, 1133
Insulation. 6, 645 economical pipe thickness,
659 gravity furnace duct, 455* 456
. low temperature pipe. 655 pipe, 645 pipes to prevent freezing, 657
sound, 940 thermal conductivity* 649 ..
underground pipe, 659 . Intermittently heated build
ings, 264 Isobanc, 6 Isothermal, 6
J
Jets, 693 expansion, 695 radial, 700 velocity, 695
Joints, duct, 746
K
Kata thermometer, 561, 1144
L
Laboratories, 1020
Latent heat, 5, 262, 269 loss, 262
Laws of thermodynamics, 9 Leaders, 455
Leakage of air, 221 door, 223, 225, 226 window, 223, 224, 305
Light heat gain, 308 Lignite, 327
Leakage of air {continued)
Liquid
absorbents, 890
;
heat of, 5
Lithium bromide, 885 .
Lithium chloride, 885
Load cooling, 269, 680 design, 6, 269 factor, 453 .
heating, 243, 682 maximum; 6, 397, 453 ' refrigeration,-269 ' ~ :
M
Machine vibration,. 949
Manometer, 6, 1137 "
Marine (see ship 'heating, venti
lating, air conditioning)
Mass, 6
Mbh, 530
.
Mean ' radiant ' temperature,
119, 573, 575, 908
Meter, meters, 78, 675 area, 78, 85, 675 condensate, 675 . . . differential, 676
flow, 78, 85, 675 : force, 78 head. 78, 83, 676 . installation, 675 Nicholls' heat, 1148 orifice, 80, 676 selection, 676
velocity, 676 ventun, 1142 . Metering, liquids,'78, 675 Micromanometers, 1138
Micron, 6 Mist, 152
Moist air, 25 properties of; 25 " saturation, 26 specific volume; 32
Moisture. 199, 1016, 1051 content, 1016, 1018, 1052 in building construction, 199
load. 309, 892 loss per person, 122, 308 permeability, 206
regain, 1016 transmission, 202
Mol, 6
``
Monofluorotrichloromethane,
849, 853
tfotor, motors, 264, 404, 913 alternating current, 917 capacitor type, 920 classification, 916 control, 924, 927 control equipment for, 924 current limitation, 925 limits, 914
drives, 914 electric, 913 enclosures, 929 glossary, 928 beat generated by, 264 hermetically enclosed, 922 increment limitation, 925
multi-speed, 919, 926 polyphase, 917 rating, 926 repulsion induction, 921 selection, 913
single phase, 920 speed characteristics, 916 speed classification, 929 spred ranges, 914
split phase, 921 squirrel cage, 917, 924 starting methods, 924 synchronous, 916, 925
wound rotor, 918, 925
1
P
N
Natural draft; 415 -
towers, 807 Natural ventilation, 229
Eneral rules, 235 at removal, 231
Noise, noises. 931. 1123
absorptive material, 940 .
air conditioning system, 932,
1123
air supply.opening, 945
apparatus for measuring, 932
attenuation, 939
average in rooms, 936
control, 931
controlling vibration, 949
cross transmission between
rooms, 948
design room level, 935
` duct sound absorbers, 940, 942
duct system' attenuation, 939
fans, 936
general problem, 932.' . .
grille. 946
'"
intakes, 716 . . ' -
kinds of, 934. `
-
levels, 707, 933, 935
loudness, 931
measurement,' 932
openings, 945
...
plate cells, 943'
plenum absorption, 945 .
through building .construc
tion, 949
transmitted through ducts,
934
typical sound level, 935 ''
! unit of measurement, 931
Nozzle flow, 75, 78
Nurseries for premature in fants. 140
' air conditioning equipment, 141
o
Odors. Ill, 113, 147, 156, 786 human body. 111 '
Oil Fuel. 334 analysis, 335 calorific value, 338 classification of, 334, 337 combustion index, 339 combustion of, '338,. 372 estimating consumption, 386, 447 heating of, 377 ...................... piping, 377 storage, 377.
Oil burners, 376 -
atomizing, 376
boiler settings, 375
.
classification, 369, 376
combustion adjustments, 373
combustion efficiency, 374
combustion process, 372
commercial, 376
controls, 899
domestic, 369
furnace design, 375
gun type, 369, 376
industrial, 376
measurement of efficiency of
combustion, 374
mechanical draft, 369
operating requirements, 372
rotary type, 370, 376
vaporizing type, 371
One-pipe system, 486, 532, 537
gravity air-vent, 488 hot water, 537
steam, 6 supply riser, 6
unit heater connection, 486
vapor, 488
Opening, openings
air supply noises, 945
stacks, 235
.
types of, 234
doors, 234
roof ventilators, 234
skylights, 234
vertical, 228
windows, 234
Operating rooms, 138 conditions, 139 reducing explosion hazard, 138 sterilization of air in, 140
Orifice
discharge, 75, 496, '533 flow, 75
formulas^ 77, 1141
heating systems, 494 Orsat apparatus, 1149 Outdoor air, 113, 677, 1080, 1083
Outlet, outlets
-
air supply noises, 945
ceiling, 709
duct approaches, 713
location, 457, 467, 463, 710
performance, 705, 711
selection, 710
side outlets,- 468
sound absorbers, 945
types, 468, 694
wall outlets, 708
Outside temperature, 245, 273
Overhead distribution, 490, .1113 '
Overhead system, 490, -1113
Oxygen
chambers, 146
tents, 146 '
.
therapy, 145
Ozone, 113
P
Panel heating, 565 application methods, 565 ' calculation principles, 569, 574 convection transfer, 570 design of panel, 574, 577 electric, 566, 958-960 embedded piping, 566 hot water, 565 installation. 578! output from surface, 569, 572 piping, 577 radiation transfer, 569 starting system, 567 steam, 565 warm air, 482, 568
Panel radiator, 6 Particle size chart, 153 Perfect gas relationships^ 27' Perforated ceilingB,'710 Perforated outlets, 701, 710 Permeability, 203, 207 Permeance, 203, 206, 207 : pH value, 403, 977, 984 Physical impurities in air, 113
Physiological principles. 111 acclimatization, 118 comfort chart, 126 effective temperature, 122 high temperature hazards, 117 thermal interchanges, 113 upper limits of heat, 119
Pipe coils, 556, 584 heat emission, 556, 646 wall, 556
Pipe, piping, 617 capacity, 498, 501-507, 528532, 1095 coatings, 991 ooil connections, 524 coil output, 556 cold water, 1095 commercial dimensions, 621 conduits for, 666 connection to heating unite, 512, 524
Pipe, piping (continued) corrosion, 971, 983 covering, 647
design, hot water system, 534 dimensions, 618 economical thickness ingnfo-
tion, 659 expansion, 638 fittings, 623, 627 fitting equivalent, 501, 529,
550, 1096, 1102 flexibility, 638 forced circulation, 534 friction loss, 528, 547, 1099 ' hangers, 642 beat losses, 645 hot water heating systems, 534 hot water supply, 1112 inside dimensions, 618 insulation, 645, 669 ' insulation prevent freezing!
657 low- temperature insulation,
655 materials, 617, 991 one-pipe - forced circulation,
537
one-pipe gravity circulation, 537
one-pipe vapor, 607 overhead distribution, 491,
1113 properties, 618 640sizes, 499, 534
cooling systems, 1104 gas, 383 nigh pressure steam, 606-
508 high temperature water, 547 hot water forced circula
tion, 537, 539 hot water gravity circula
tion, 537, 538 indirect heating units, 510 low pressure, 501 one pipe riser, 502, 508 one pipe vapor, 507 orifice systems, 494 pressure drop, 499 sub-atmospheric systems,
509 tables for steam, 502-507 threading data, 622, 623 two-pipe forced circulation,
539 two-pipe gravity circula
tion, 538 two-pipe low pressure, 508 two-pipe riser, 502 two-pipe vapor systems, 508 vacuum systems, .509 -. water supply systems,
1095.1112 steam distribution, 502, 667 steam heating systems, 502-
507 supports, 642 surface, 620 symbols for drawings, 17: tax, 397, 645 threading practice, 623 tunnels, 669 underground insulation, 659 unit heater connections, 486,
526. 593 water supply, 1095 welding, 636 Pitot tubes, 84,1139 Plate cell, 943 Plenum absorbers, 945 Plenum chambers, 6, 465 Pneumatic control systems, 895
Pollution of air, 151
Polyphase motors, 917
Ponds, 805
Potentiometer, 7, 1135
Power, 7
Precipitators, 779, 792
Pre-cooling, 686
Premature infant nurseries, 140
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