Document xyKYD08Q0Kye51JkvgYw81oQ

HEATINC; VENTILATINC . AIR CONDITIONING CUIOE 1944 Control, controls {continued) : 'Dehiimldification, 445, 815 ' unit systems. .648 -- unit ventilators. 649 . valves. 296`. ventilator, 757 wound rotor motor, 681. rone, 647' Controllers, 641 -.. functions, 641 -- ; types, 641 - Convection, 71. 814' equation; 73. - - * ' unit conductances, 77 - - Convector, .convectorSi-251. 253. 814 / 'correction factoiv255, 256*.' : heat emission. 251- heating effect, *254, 256 * heating-up,.258- * .-. ratings,.254 ' Converging.vanes,.583 . . Conversion . burners,'217. * / ' '. equations, 824 Coolers. 459, 483 .: `. ... "air conditioning units, 431" ' control, 459- - definitions and methods, 445 "air washer, 526. ' Dehydrating agents, "447 absorbents. 450 < adsorbents, 447 _ . --. Dehydration, 445, 815 "coil selection. 5i6 - control. 459* ,' definitions andmethods, 445 economics, 463 . economic comparisons, 464. - equipment. 459 .. auxiliaries, 459 * performance, 460 * _. estimating loads. 458 - liquid methods, 456 ..location of equipment, 458 solid.methods, 454 * _/ Density of air, 1, 815 , ` Dew-point.'. ' ., apparatus temperature. 33, 164, 393 - -- -temperature, 815 . . - ;Dichlorodifluoromethane, 468 ` Codling,.445 . nir coaditioning,units. 431' , ' '. atmospheric water, 530 - coil selection; 516. ` definitions and'methods," 445. . ' evaporation,-404; 446 s >' ev / -load;'32/146, 390; .458; 588 T ../methods,380 ..- ...y y -r"performance of coils, 504 . ponds; 533,'534n .. ' . ' * . rresidential. 381'. : / ' . sensible.405 . ' -spray,- 530 " --- ; design wet-bulb, 532 ^ >" . effect-of;wind,.535 -make-up water, 544 -- size of.equipment, 531= winter freezing, 544- > systems, 383, 445 tower.design. 536' ` tower performance, 543. . `* -. units, .440./ , control, 649 . ' ' defrosting. 441 v design; 440 .. .> >' . /performance; 440 . * - ' * ratings.'.441 * ' /types of. 440 J; . Copper V/ .riy \ /-- - elbow.equivalents/307 - y _ ,L. -tubihg.externalsurfacei.347"' - /-> Core area,'580vr './-\ J' - . '/'Direct- ./'expansion coils, 497 .. -fired,unit heater, .422 -'-indifect'heatirig unit, 815 . -;';;radiator,'815-- - . - - '/ return 8ystem.;304, 815 . v . : ^ Direct current motors, 665 - _ : - Disc,fan,J565;"-.:'.J.i - //. -/ ' "'Distribution"of air; 579 {see Air distribution) - DistHctt^ring;76J; .'* -? >.- -i/ -. /'auto^ric cdhtrcj/773 . ^ ;'gI<^sary.of .terms, 771 . ; < ;. ' 1 - - meters, 768 ;.//("o *'*'/ / ' piping. 761 / ; `- " conduits for; 763/ -/ / inside,.766 . , - overhead-distribution/766- " sizes, 762 --- /; / - . ,/ tunnels,-765" ./ ,- typ^ of-764-/;- -; /-.-s' : - rates; 770 - ; -steam requirement, 234, 770 ' " ' utilization,.772 \. - Diverging vanes, 583 . -. , Domestic oilJjiuhers,.210/' / '> *, .Door^doofs'%- ' . - - corf&dents of transmission, 115. - > leakage; 122>: - r., T . :;natural ventilation,^750 .,jj- Down-feed v * /' ... one^pipe riser;-815-.- ... / Corrosion,498,- 341 ' / air, Washers,l343 v'. ' ` . / industrial exhaust 8ystems/732.y: t.. //-steam heating, 267^^ ./.-."Vsystem, SIS'- ^ >//DrittfVdrafts, 172 - J - vf r . -r. * / - -.-pipe.341' - Crack length* V . v -.=' , v used",forcomputationsy119, 122<- y Crystallization '7 .. ' ' ' control'rate of, 714 iCylinder dryer.'734 . / ./ . available,.186 t / / calculations, 185- - . .. '/ /: v.-'cdntrel,':172: r- ` - ^ . V* / - .-- /y-factors,-190 y ; ' '^general equation,-186":-^' y ,, /.head,.815-'* ; " ... .^ -/.naturalyl88!.-* ^> regulaU6nr'172/ . /; -V/; - . - r y; requirements, r172^190:_ ' - :;y y; . >. ilton's law, 8-; - t- . * unperi dampers, 375," 580- 'thebretical,"185_/ / / ,/ ,.Drawing symbols/826 :.J /.' /" r, Drip/drips;'300,':'815.* - * : Drum.dryer, 734/ /'; ' ^ \. .: sib&l,-619' > '' ; frosting.441* - .-.*>* kgree-day/.227;.814 < / < -v \'pry aii',,1, 8i5^./-, / /T -'/cbmposiiion,/!'-Z' y., / -C ^' density;;l'v.- * .. V' / ;./ / . ,> for cities; >228 -r '> formula,fbr."method,`230> ,-4-. -.r.- operating umt-:235J; unit:fuel-consumptions.230; 232 .filters. 558;* /-''/* / .?*/'"// '-^1. " " ; specific enthalpy.'5. /:. ;/ "//y. rspeafic^voIume,"i 1 "--1--r?- -y'/, /;// 'velodty.*headr596 ^>/r;y :gree of' saturation, :19," 778,-814 - 2::M : 1 INDEX TO TECHNICAL. DATA SECTION yy/^Dry-bulb temperature, 815 " ' /'Dry cooling coils, 405 r^Dry return, 815 Dryer,' diyers agitated, 734 compartment, 734 - y.cylinder, 734. --// druim' 734 k-Hyfestoon; 734* /p.lugh temperature, 746 _ .-K-.- -induction,-.734 S/;/;;fotary, 734 '-//spray, 734^ -- . ./^ower, 734 . .. - &////'tunnel, .734 . . ^y^-.vacuum, 734 : . ^Direr-calculations, 741 --Drying, 712. 733 calculations,?14 control;.713 ** chemical reaction. 713 - . biochemical reaction, 713 crystallization, 714 -static electricity, 714 design, 743 estimating methods, *749 I^K . factore influencing, 738 /general rules for, 739 '"air circulation, 741 .. humidity. 739 N /temperature, 739 . ' .'humidity, 739'- ^ mechanism of/737 /^methods, 733/ -- ` :. conduction,.735 - /- *'^/convection," 735 .-. //estimating, 749 / ... ^-'radiant heat,'733 . - /omissions in the cycle, 738 . - ^radiant; 733./ v /r /systenxs; 733 /ventilation,phaset745 %` . .Dual duct,,402 '* . ... |Duct!, ducts, .364, 375, 695; feairTvelocities in,-606, 721 . /apprdachesito outlets, 584- ^attenuation; 624" ^7ccfnstruction,-727 '. , construction details, 610 design,;606:.--. ' ", - ,v., details,'-612: -X > diral.U02 : - ;.. - - . : /elbqw'friction losses, 601 - ;friction !osses,r596. 598f .. * -- heat'lbss;c6effidehts,.617' .- ' y :h&tvI6sses,.614-' // limng,^629'v /' '\r /;-. / measiirement of.velocities, 661 ' - Twise'transmitted, 622 - ' proportioning the losses, 605: ; . jedfculating,;362 .' v.v" -*** 'rectihgiilar equivalents of round, 600 ^r^stahce.r728:-. ' tSouha5absbrbOT,'625 './ - ` ..- - :: symbols'for drawing, 827; 828" -t ;- ;desigiv726r.' ' ._ y> ^Kt/i&w/595,.605. . *- * /* rjvelocities^'eOO/ - ' .. . liial'friction, 608 ../; -- ^geheralrfulesr;608' ;- " : -* / ||malnHrunk,;607.> ' ^velodtyinethodr607 /' * / - * Sfe5ir'55C,8i5, >- ./ *-:/. ; ^cbncentratlbns,r;548 ' fdeterihination, 663T% V *'^72?z;: ^^^v-!^'rataQw;'552 1" i' ^ynamic",tieadr815 "^y. ///. - y.. . -/y Effective temperature, 58, 815 {see Temperature) chart, 57 index, 58 Ejector,nozzles. 587 , Elbow attenuation, 624 copper equivalents, 307 ,, friction losses, 601, 604 iron equivalents, 307 -Electric, electrical boilers, 779 control systems, 640 heaters, 776 ' conduction. 776 gravity convection, 777 radiant, 776 - heating, 775 auxiliary, 783 . calculating capacities, 783 central fan, 778 control, 783 " * - definitions, 775 " domestic water. 781 ' elements, 776 power problems, 783- resistors," 776 "*-* hot water heating, 780, 781 ' . panel heating, 790 precipitators,;558- . ' radiant heating,-'782, 790 , resistors, 776 . '* . ` . unit heaters, 422, 777--. . Electricity, static, .714 Emissivity,-93; - factors,;79 ` Enclosed radiator,.259-. t .. : . Enthalpy, 21, 38; 815 . ;fre^816 -" ' . specific, 5,-7/818 . / Entrance loss." 605 - . Entropy, 815 * j . ` Equipment * " ' y" t ^ " arrangement/409; .. .. selection.' 407- - '. vibration, 635 ./ Equivalent evaporation. 815 / Equivalent temperature; 787 ' . - Estiinating.fuel consumption, 223 ' Eupatheoscope, 663,-.797 >/ . Evaporative- v . / ^cbhden3ers,481-".'-* cooled; unit conditioners, .432 cobllng.404,446. . . , Evaporators, 483 ; ='/. . - . - 4 Excess air,169,215,218 Exhaust opening, 580'v ' -. i/> * . , measurement.of velocities,^6617 * ". - .- -2 , -7 Exhau8t8ystems; 717 77 ; 7 classification'erf,-717 ' ' ' ' . . . collectors/729 ; *' - / . corrosion protection, 732 / . ducts'for, 726 / ` . --/ v air velodties.In, T27; construction, 727 '.Tv.---v" ..design, 7267- / * '.' / ' ` "T . .resistance, 728*. * 7" ' dust filtera'729 " . *. -7. /' effidenicy of; 731 " . - . - ,.* .hoods;.`717.* " / ;{: ' . , ' * - ---r / air flow, 719 airvelddties,'721 - ./ ajrial velodty formula for,.72? ' - chemical laboratories,-725 ' *. '.'.V ..7 ';dignprindp^,.718-.> "/W-" ^ ,./ . .1 y /. -"lritcheii,'739'0.,/ 7\ *" */. .:,*' large.bpeh;'723/';.-'-ur. :'"J ' .' lateral exhaust, 724 "7* * ,,L;i//;/lowJveiodtyi8yst^s`..723y_ . /* /'. : ' /-' spray-booths,.7- '**.*.; -fv 7 -/..velodty contours;-723-. r ." .