cooling loads

MATERIAL SPECIFICATIONSOUTSIDE WALL ---- Sand & Gravel Aggregate, 8 in. thickPARTITION ---- FLOOR ---- Sand & Gravel Aggregate, 8 in. thickCEILING ---- Board Plain, Sand & Gravel Aggregate

WEIGHT PER SQUARE FEET OF FLOOR AREA

3RD FLOOR

ROOMOUTSIDE WALL ()PARTITION()FLOOR()CEILING()TOTAL()

IPPRO15.274443.062039.579176.8364

LECTURE HALL 113.268625.956639.579157.7252

LECTURE HALL 213.268625.956639.579157.7252

DRAWING ROOM A29.053417.102539.579164.6559

LECTURE HALL 313.921426.713039.579159.1344

DRAWING ROOM B13.012928.869939.579160.3828

DRAWING ROOM C16.12536.128439.579170.7534

DRAWING ROOM D13.92127.48139.579159.902

TOTAL

COOLING LOAD OF GLASSFORMULA:Q = A SLF SC CF PLFWHERE;A = GLASS AREA, (ft2)SLF = STORAGE LOAD FACTOR (from TABLE 7, CARRIER)SC = SHADING COEFFICIENT (from TABLE 16, CARRIER)CF = CORRECTION FACTOR (for STEEL CASEMENT, CF = 1)PLF = PEAK LOAD FACTOR, (Btu/ (hr-ft2)) (from TABLE 6, CARRIER)

FOR ROOM IPPRO AND LECTURE HALL 1ROOMAREA(ft2)NUMBER OF UNITWINDOW TYPEEXPOSURESLFSCCFPLFQ (Btu/Hr)

IPPRO38.75391STEEL CASEMENTEAST0.63111633979.638

LECTURE HALL 138.75392ANALOK BUILDING WINDOWWEST0.52111636569.5611

LECTURE HALL 238.75392ANALOK BUILDING WINDOWWEST0.52111636569.5611

DRAWING ROOM A38.75392ANALOK BUILDING WINDOWEAST0.63111637959.276

38.75392ANALOK BUILDING WINDOWSOUTH0.6411261289.7298

LECTURE HALL 338.75392ANALOK BUILDING WINDOWSOUTH0.6411261289.7298

DRAWING ROOM B38.75392ANALOK BUILDING WINDOWEAST0.63111637959.276

DRAWING ROOM C38.75393ANALOK BUILDING WINDOWEAST0.631116311938.914

DRAWING ROOM D38.75392ANALOK BUILDING WINDOWNORTH0.7901110

TOTAL47555.69

COOLING LOAD OF WALLSFORMULA:Q = A U TWHERE;A = AREA OF WALL, (ft2) U = TRANSMISSION COEFFICIENT (Table 21)T = EQUIVALENT TEMPERATURE DIFFERENCEFor IPPRO and Lecture Hall 1RoomArea(ft2)UTQ(Btu/Hr)

IPPRO125.950.4830.61849.9536

LECTURE HALL 1803.17370.48 30.611797.01531

LECTURE HALL 2803.17370.4830.611797.01531

DRAWING ROOM A630.72180.4830.69264.041789

LECTURE HALL 3 302.22080.4830.64439.01911

DRAWING ROOM B232.52320.4830.63415.30008

DRAWING ROOM C290.65390.4830.64269.124483

DRAWING ROOM D222.83470.4830.63272.996074

TOTAL50104.46576

COOLING LOAD OF OCCUPANTSFORMULA:Q = (SH + LH) (NUMBER OF OCCUPANTS)WHERE;SH = SENSIBLE HEATLH = LATENT HEAT

SENSIBLE AND LATENT HEAT VALUES taken from ASHRAE Handbook 1989ROOMOCCUPANTSDEGREE OF ACTIVITYNUMBER OF OCCUPANTSSH(Btu/Hr)LH(Btu/Hr)Q (Btu/Hr)

IPPROSTUDENTS AND FACULTIESSeated, Very light work52451552000

LECTURE HALL 1STUDENTSSeated, Very light work10024515540000

LECTURE HALL 2STUDENTSSeated, Very Light work10024515540000

DRAWING ROOM ASTUDENTSSeated, Very Light work4024515516000

LECTURE HALL 3STUDENTSSeated, Very Light work8024515532000

DRAWING ROOM BSTUDENTSSeated, Very Light work5024515520000

DRAWING ROOM CSTUDENTSSeated, Very Light work5024515520000

DRAWING ROOM DSTUDENTSSeated, Very Light work4024515516000

TOTAL186000

COOLING LOAD OF APPLIANCESFor Appliances found in TABLE 50 & 51, CARRIER.FORMULA:Q =[(SENSIBLE HEAT 0.5) + (LATENT HEAT 0.5)] (HOURS of OPERATION/24 HOURS) (STORAGE LOAD FACTOR)

For Appliances which are not available in TABLE 50 & 51, CARRIER.FORMULA:Q = (WATTAGE/1000 KW) (3413 (Btu/Hr)/KW) (NUMBER OF UNITS) (HOURS of OPERATION/24 HOURS) (STORAGE LOAD FACTOR) WHERE;1KW = 3413 Btu/HrSLF = STORAGE LOAD FACTOR, (from TABLE 12, CARRIER)

ROOMAPPLIANCESWATTAGENUMBER OF UNITSHOURS OF OPERATIONSLFQ (Btu/Hr)

IPPROComputer9302100.932459.9198

Photocopy Machine250140.86122.2991667

Printer77150.8848.1801183333

LECTURE HALL 1Projector14921100.931973.226


DRAWING ROOM AProjector14921100.931973.226


DRAWING ROOM BProjector14921100.931973.226

DRAWING ROOM CProjector14921100.931973.226

DRAWING ROOM DProjector14921100.931973.226

TOTAL12496.53

COOLING LOAD OF LIGHTS

For INCANDESCENT LIGHT:FORMULA:Q = WATTAGE 3.4 NUMBER of UNITS HOURS of OPERATION/24 HOURS STORAGE LOAD FACTOR

For FLUORESCENT LIGHT:FORMULA:Q = WATTAGE 3.4 1.25 NUMBER of UNITS HOURS of OPERATION/24 HOURS STORAGE LOAD FACTOR WHERE;SLF = STORAGE LOAD FACTOR, (from TABLE 12, CARRIER)ROOMTYPE (WATTAGE)NUMBER OF UNITSHOURS OF OPERATIONSLFQ (Btu/Hr)

IPPROFluorescent(36)2100.96122.4

LECTURE HALL 1Fluorescent(36)4100.96244.8


DRAWING ROOM AFluorescent(36)4100.96244.8


DRAWING ROOM BFluorescent(36)5100.96306

DRAWING ROOM CFluorescent(36)5100.96306

DRAWING ROOM DFluorescent(36)4100.96244.8

TOTAL1958.4

COOLING LOAD OF ROOFFORMULA:Q = A U TWHERE;A = AREA OF ROOF, (ft2) U = TRANSMISSION COEFFICIENT, FROM TABLE 28, CARRIERT = EQUIVALENT TEMPERATURE DIFFERENCEROOMAREA(ft2)UTQ (Btu/Hr)

IPPRO354.5710.2730.62929.465602

LECTURE HALL 1753.54730.2730.66225.807793

LECTURE HALL 2753.54730.2730.66225.807793

DRAWING ROOM A688.28470.2730.65686.608191

LECTURE HALL 3688.28470.2730.65686.608191

DRAWING ROOM B768.34910.2730.66348.100264

DRAWING ROOM C775.07720.2730.66403.687826

DRAWING ROOM D688.28470.2730.65686.608191

TOTAL45192.69

SUMMARY OF COOLING LOADSTHIRD FLOOR

LOCATONGLASS (Btu/Hr)WALLS (Btu/Hr)OCCUPANTS (Btu/Hr)APPLIANCES (Btu/Hr)LIGHTS (Btu/Hr)ROOFS (Btu/Hr)Q (Btu/Hr)

IPPRO23825.371918243.94118367503936.3843435.416667086290.11375

LECTURE HALL 101731.8518410000177.0833302908.934414

LECTURE HALL 203746.62786200177.0833303923.71195

DRAWING ROOM A02895.2649301632177.0833304707.348236

LECTURE HALL 3

97827.10763

cooling loads

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