Heating Ventilating Air Conditioning Guide 1960 Register, registers (continued) mechanical furnace systems, 247 noises, 284, 289, 353 selection, 247, 286 Regulator, 501, 502 Reheat, 269, 275 Relative humidity, 3, 15,- 29, 143 measurement of, 651 Relief valve, 420, <*> Residence control systems, 643 air conditioning, 643, 671 domestic hot water supply, 732 heating, 643 cooling methods, 267, 669 gravity furnace systems, 268, 669 heat kts problems, 173 hot water heating system, 403 mechanical furnace system, 247 steam heating system, 367 Residential air conditioning, 669 air distribution, 672 application, 670 central systems, 670 equipment capacity, 669 equipment location, 671 equipment types, 670 gas-nred, 671 noise, 671 operating costs, 672 Resistance thermometers, 646 Resistivity, thermal, 5 Resistors, 241 electric, 5 Return dry, 5 grille, 247, 289 5, 367, 379 Reversed return system, 6, .409 Ringelmann chart, 78, 653 Roof, roofs heat flow through, 124-128, 131, 188191, 194 time lag of sol** radiation, 201 ventilators, 155 Room air conditioners, 236, 670 air motion, 278, 284 control, 636 coolers, 235, 238 cross transmission noise, 363 latent heat, 207, 208 noise level, 351, 358 operating, 96' sensible neat, 207 Rotary diver, 740 Rotary oil burner, 500, 503 S Sabin, 5 Sanitary ventilation, 93 Saturated air, 1, 14 Saturation, 5 degree of, 5, 14, 17 .pressure, 4 Seale, 753 cause and prevention, 751, 753 dosed systems, 755 heating systems, 756 high temperature, 757 Scale (continued) open systems, 755 temperature, 5 School systems, 675 air supply, 677 control, 680 cooling, 678-680 design, 675 considerations, 676 criteria, 675 mechanical plant, 677 general considerations, 675 gravity exhaust, 678 heating, 678-680 maintenance, 680 mechanical exhaust, 678 operation, 680 types, 677-680 ventilating, 677 Secondary air, 482, 490, 507 Sensible cooling, 275 Sensible heat, 171, 177 gain, 177, 207 loss, 171 Shading of glass areas, 200, 205 fthaHmg screen, 205 Sheet metal gages, 308, 309 Ship heating, ventilation, air condi tioning, 686 air conditioning, 686, 687 design conditions, 688 factors affecting design, 686 Eeral consideration, 688 ting, 686 insulation of ducts, 686 refrigeration, 687 requirements for space, 686 cargo, 687 living, 686 machinery, 686 storeroom, 687 systems, typical, 687. ventilating, 686 Silica gel, 619, 621 Single phase motors, 662 Skylights, 155 Slime, 752, 758 cause and prevention, 758 formers, 752 Slotted outlets, 285 Sludge, 751. 753 cause and prevention, 753 Smog, 78, 93 Smoke, 5, 75, 77 abatement, 77, 482 density measurements, 653 Smokeles arch, 5 Smokeless combustion, 482 Snow melting, 689 antifreeze characteristics, 694 circulating medium, 5 control, 697 effect of viscosity, @5 design, 689, 698 draining, 697 drifting snow, 698 heat from slab, 689, 692 heating requirements, 689 hydraulic requirements, 695 installation, 697 internal corrosion, 697 operating data, 693 pumping head, 695 . safety, 697 ' dab construction, 691, 697 snowfall, 690, 691 xx Snow melting (continued) testing installation, 697 thermal stresses, 697 Soil specific heat, 105 - Solar constant, 5, 179 Solar heat, 179 absorbed by glam, 195 altitude. 179 calculation tables, 187, 158, 190-204 through shaded windows, 200, 205 time lag, 201 transmission of, 179 through glass, I9S through block, 198 through roofs, 188 through walls, 188 Solar heat gain, 179 basic principles, 179 design for figured rolled glass, 197 design for fist glass, 197 design for glass block, 198 deviation from dgn, 200 shading glass, 200, 205 Solar radiation, 179 absorption of, 179 magnitude, 179 ' Solar water heater, 784 Sol-air temperature,-188Solid adsorption, 620 Soot, 75, 482, 495 Sorbents, 619 absorbents, 619, 620 adsorbents, 619 Sorption, 5, 624 Sound (see Noise), 345 absorbers, 354, 355 apparatus for measuring, 346, 654 attenuation, 346 control, 345 cross transmission between rooms, 363 general problems, 345 duct absorbers, 354-356 intensity, 346 levels, 345, 351 measurements, .346, 654 outlet absorbers, 356 pressure, 345 unit, 345, 346 Space heaters, 527-530 design, 528, 529 rating, 528-530 Specific gravity, 3 Split systems, 5 Splitter dampers, 288 Spray apparatus, 597 booths, 724 cooling, 598 cooling ponds, 598 cooling towers, 599-607 dehumidifier, 271, 274, 612 dryer, 741 equipment, 598-600 humidifiers, 609-612 unit air conditioner, 235 Spread, air distribution, 277, 278, 283 Square foot of beating, surface, 5 Squirrel-cage induction motor, 659, 660, 664 Stack, stacks, 149, 156, 531 height, 5, 157 Index to Technical Data Secrton Standard, standards (see also Codes), 787 air, 1 air distribution, 277 atmosphere, 35 Standard air, 1 Static electricity elimination, 707 pressure, 4, 293, 313 SteadyQflow, energy equation, 13, 37 Steam, 5 coils, 324, 328 ___ distribution piping, 373, 397-401 ^imating consumption, 396, 397, 554, 555 flow, 374, 378, 377 flow measurement, 42, 401 heated equipment, 211, 396 beating systems, 5, 367 condensate return, 387, 400 connections to uruta, 392 control valves, 394 corrosion, 757 drips, 392 flash leg, 392 gravity one-pipe air-vent, 368, 369 gravity return, 367 Hartford return, 386 high premure steam, 376-381 low pressure steam, 376-378 mechanical return, 367 one-pipe, 367, 368 orifice, 372 piping for, 873 __ aubatmospheric, 372 two pipe, 369 vacuum, 371 vapor, 370 jet type system, 5fi) metera, 42, 401 panel heating, 431 pipe capacities, 376-381 properties, 14, 28 reducing valves, 383 requirements!
refid# nmM5LZdv2bwXeEmmmmGkN1k2w1 page