[xls]eta program for heat load - smart energy · web viewtitle eta program for heat load...

Job : Comparison Location : MumbaiSpace : Zone 2 BY ANUBHAVSAXENA

Unit in Ft. : W Length Area F/C Height Volume 16 HoursSize : 0 0 269.19 10.76 2896 4.00pm Date :

Clean Room Class : NIL Out Side DB deg.F WB deg.F Drange %RH DP GR/LBFiltration : 10 Micron Summer 96 83 32 60 0 92Pressure Gradient : NIL Monsoon 85 82 88 162Lighting Load : 0.9 Watts / Sq.ft. Room 71.58 61 55 0 64

5 Nos. T : 24.42 32 Gr/Lb : 28Equipment Load : 0.0 KW VENTILATION:

15 5 People 15 CFM/Per. 7512 269.19 Sq.ft. 10.76 HT. x 1 48

Coil By Pass Factor. : 0.1 Row Deep Coil. : 4 Select : 75 Fresh Air Changes/Hr.: 1 Effective Room Sensible Heat Factor ( ERSHF ) :Weight OF Wall: 60Heatload for(summmer/monsoon) summerRoom Air Changes/Hr.: 1 48 CFM 9284 Effective Room Sensible Heat

= 0.90 Glasses Area In Sun Gain / Temp. 'U'Factor Heat 10355 Effective Room Total HeatSq.ft. In Deg. F Btu / Hr. Apparatus Dew Point. :( A.D.P.) Indicated = 54

Glass W 0.00 163 0.30 0 Selected = 61Glass E 0.00 12 0.30 0 Dehumidified Rise =Glass N 26.90 23 0.70 433 (1-B.F.) x (RM.TEMP- A.D.P.)Glass S 26.90 12 0.70 226 0.90 x 10.58 = 9.522Glass NW 0.00 138 0.30 0 Glass SW 0.00 85 0.30 0 Dehumidified CFM = 9284 (E.R.S.H.)Glass NE 0.00 12 0.30 0 1.08 x 9.52 (Deh. Rise)Glass SE 0.00 12 0.30 0

Walls Eq.Temp. Dehum. CFM = 903Diff. : Supply Air CFM = 903

Wall W 176.44 37 0.28 1834Wall E 0.00 30 0.28 0 Coil By Pass CFM = 0 Wall N 182.00 22 0.28 1121 CFM / Sq.ft. = 3.4 Wall S 182.00 35 0.28 1784 Sq.ft. / TR = 234 Wall NW 0.00 24 0.16 0 ROOM LATENT GAIN :Wall SW 0.00 44 0.16 0 Infiltration 28 gr/lb 0.68 200 Wall NE 0.00 24 0.16 0 People 5 NO. X 175 Gain/Person 700Wall SE 0.00 30 0.16 0 Steam Lb/Hr. X 1080 0 Roof SUN 269.19 40 0.09 0 Vap.Trans. 0 0.01 28 gr/lb 0 Roof SHA 0.00 20 0.40 0 Permeation LoadAll Glass 53.80 29 0.47 744 ROOM LATENT HEAT SUBTOTAL: 900Partition 0.00 19 0.30 0 Supply Duct Leackage Loss & Safty Factor : 5% 45PartitionGl. 0.00 19.42 0.30 0 Out.Air 75 28 0.1 B.F. 0.68 126Ceiling 0.00 19.42 0.02 0 EFFECTIVE ROOM LATENT HEAT : 1071Floor 0.00 19.42 0.38 0 EFFECTIVE ROOM TOTAL HEAT : 10355People 5 No. X 270 1350Eqp Load 0.00 No. X 3410 Gain/KW 0 Sensible 75 24.42 T 0.90 1.08 1780 Lights 247.65 Watts X 1 X 3.40 842 Latent 75 28 gr/lb 0.90 0.68 1285 Appliance 0.00 Watts X 3.40 0 GRAND TOTAL HEAT SUBTOTAL : 13420Product Load Safety Factor : 0.03 403

ROOM SENSIBLE HEAT SUBTOTAL : 8334 Roof Sun 32 0 0Supply Duct Heat Gain : 2% 0 0 0

Safety Factor : 5% Roof SHA 8 0 0Fan Heat Gain : 5% 417 Ceiling 19.42 0 0

Out.Air 75 24.42 0.10 B.F. 1.08 198 GRAND TOTAL HEAT : 13823Infiltration 335

EFFECTIVE ROOM SENSIBLE HEAT : 9284 LOAD TR : 1.2 ROOM SENSIBLE HEAT FACTOR : 0.90

GRAND ROOM SENSIBLE HEAT FACTOR : 0.67

Occupancy :

CFM / Person :Correction Factor :

Gain/Person. Out Side Air Heat : T x (1 - B.F.) x Factor = BTU / Hr.

SUMMERSTATE LAT ALT DAILY RANGE DB WB RH%

AHMEDABAD 23.02 55 26 110 78 24MUMBAI 18.54 11 12 95 83 60THANE 18.54 10 15 100 82 47PUNE 18.32 559 31 104 76 28

VADODRA 22.18 34 26 110 78 24JABALPUR 21.16 393 29 108 75 22

MONSOONGR/LB DB WB RH% GR/LB

93.5 90 85 82 177153 85 82 88 162138 86 83 86 16890.5 83 79 82 14593.5 88 79 68 13678 93 84 70 163.8

DAILY RANGE

T 8 10 12 14 16 18 20-30 -39 -40 -41 -42 -43 -44 -45

-20 -29 -30 -31 -32 -33 -34 -35

-10 -19 -20 -21 -22 -23 -24 -25

0 -9 -10 -11 -12 -13 -14 -15

5 -4 -5 -6 -7 -8 -9 -10

10 1 0 -1 -2 -3 -4 -5

15 6 5 4 3 2 1 0

20 11 10 9 8 7 6 5

25 16 15 14 13 12 11 10

30 21 20 19 18 17 16 15

35 26 25 24 23 22 21 20

40 31 30 29 28 27 26 25

TYPICAL BYPASS FACTORS

DEPTH OF COILS WITH OUT SPRAYS(ROWS) VELOCITY( LPM)

300 400 500 600 7002 0.225 0.274 0.314 0.346 0.3733 0.107 0.143 0.176 0.204 0.228

4 0.052 0.076 0.099 0.12 0.145 0.025 0.04 0.056 0.071 0.086

6 0.012 0.022 0.032 0.042 0.0528 0.05 0.03

DAILY RANGE

22 24 26 28 30 32 34 36 38-46 -47 -48 -49 -50 -51 -52 -53 -54

-36 -37 -38 -39 -40 -41 -42 -43 -44

-26 -27 -28 -29 -30 -31 -32 -33 -34

-16 -17 -18 -19 -20 -21 -22 -23 -24

-11 -12 -13 -14 -15 -16 -17 -18 -19

-6 -7 -8 -9 -10 -11 -12 -13 -14

-1 -2 -3 -4 -5 -6 -7 -8 -9

4 3 2 1 0 -1 -2 -3 -4

9 8 7 6 5 4 3 2 1

14 13 12 11 10 9 8 7 6

19 18 17 16 15 14 13 12 11

24 23 22 21 20 19 18 17 16

40-55

-45

-35

-25

-20

-15

-10

-5

0

5

10

15

N.E=NORTH EAST E=EASTFOR WALL SURFACESFOR 4 PM SUN TIMEEXPOSURE WEIGHT OF WALL(lb/sq ft)

20 60 100N.E 14 12 10

E 14 12 18

S.E 16 18 18

S 20 23 18

S.W 40 32 14

W 40 25 12

N.W 24 12 6

N 14 10 4

CONDITION WEIGHT OF WALL(lb/sq ft)10 20 40

EXPOSED 43 41 38TO SUN

COVERED WITH 18 16WATER

SPRAYED 16 14

SHADED 14 12

FOR ROOF SUN ANS ROOF SHADED

SOLAR HEAT GAIN THRU ORDINARY GLASSFOR 20 DEGREE

SUN TIME IS TAKEN AS 4 PM

TIME OF YEAR EXPOSURE 4:00 PM

23 JULY & MAY 21N 23

N.E 12E 12

S.E 12S 12

S.W 85

W 163N.W 138

HORIZONTAL 118

S.E=SOUTH EAST S.W= SOUTH WEST

WEIGHT OF WALL(lb/sq ft)140

14

18

16

13

8

10

6

2

WEIGHT OF WALL(lb/sq ft)60 80

35 32

14

12

8

BACK TO HEAT LOAD

FOR ROOF SUN ANS ROOF SHADED

FOR EXPOSED WALL

CONSTRUCTION: RESISTANCE0.25

• BRICK FACING, 9 INCH 1.8 • 0.5” CEMENT MORTAR 0.1

0.2 • INSIDE AIR SURFACE (STILL AIR)(VER/HORZ) 0.68TOTAL RESISTANCE 3.03U FACTOR 0.33003300330033

MATERIAL

STILL AIR POSITIONHORIZONTALSLOPING 45VERTICAL

SLOPING 45HORIZONTAL

• BRICK FACING 4 INCH0.8

CONSTRUCTION: RESISTANCE0.61

BACK TO HEAT LOAD

• OUTDOOR AIR SURFACE FILM (7.5 mph WIND)

• SAND CEMENT PLASTER 1 in (0.5” ON BOTH SIDES)

U Factor For Floor / Ceiling

• INDOOR AIR SURFACE FILM (STILL AIR)

1/2" PLASTER

1/2" PLASTER

4" CONCRETE SLAB

FLOOR TILE

AIR FILM

FLOW UPHEAT

AIR FILM INSIDE

1/ 2" CEMENT

1/ 2" CEMENTPLASTER

OUT SIDEAI R FILM

PLASTER

CEMENTMORTAR

I NSI DEAIR FI LM

0.10.80.1

FLOOR TILE 1/8" 0.050.61

TOTAL RESISTANCE 2.27U Factor For Floor / Ceiling 0.440528634361233

CONSTRUCTION: RESISTANCE 0.250.10.8

0.920.1

TOTAL RESISTANCE 2.170.46

U Factor For insulated Roof

CONSTRUCTION: RESISTANCE0.250.1

5.260.80.1

• PLASTER 0.5” • CONCRETE 4’’ • PLASTER 0.5”

• INSIDE AIR SURFACE (STILL AIR (HOR/UP)

U Factor For UN-insulated Roof

• OUTDOOR AIR SURFACE(71/2MPH WIND)• PLASTER 0.5” • CONCRETE 4 in • INSIDE AIR SURFACE (STILL AIR)• PLASTER 0.5”

U Factor For UN-insulated Roof

• OUTDOOR AIR SURFACE FILM (7.5 mph WIND)• PLASTER 0.5” • INSULATION 2 in • CONCRETE 4 in • PLASTER 0.5”

4" CONCRETE SLAB

1/2" PLASTER

1/2" PLASTER

FLOWDOWN

OUT SIDE AIR FILM

IN SIDE AIR FILM

HEAT

1/2" PLASTER

4" CONCRETE SLAB

1/2" PLASTER

INSIDE AIR FILM

2" INSULATION

OUTSIDE AIR FILM

1/2" PLASTERDOWNFLOWHEAT

0.92TOTAL RESISTANCE 7.43

0.134589502018843

U Factor For Ordinary Glass FOR INSIDE VENETIAN BLIND 45 DEG HORZ OR BLIND

LIGHT COLOUR MEDIUM COLOUR0.56 0.65

• INSIDE AIR SURFACE (STILL AIR)

U Factor For insulated Roof

HEAT FLOW RESISTANCEUP 0.61UP 0.62

HORIZONTAL 0.68DOWN 0.76DOWN 0.92

6 INCH 8 INCH 9 INCH1.2 1.6 1.8

1/2" PLASTER

1/2" PLASTER

4" CONCRETE SLAB

FLOOR TILE

AIR FILM

FLOW UPHEAT

AIR FILM INSIDE

PER INCH 0.2

ROOF INSULATIONTHICKNESS(INCH) WT(LB/SQFT) RESISTANCE(1/C)

0.50 0.7 1.391 1.3 2.78

1.5 1.9 4.172 2.6 5.26

2.5 3.2 6.67

4" CONCRETE SLAB

1/2" PLASTER

1/2" PLASTER

FLOWDOWN

OUT SIDE AIR FILM

IN SIDE AIR FILM

HEAT

1/2" PLASTER

4" CONCRETE SLAB

1/2" PLASTER

INSIDE AIR FILM

2" INSULATION

OUTSIDE AIR FILM

1/2" PLASTERDOWNFLOWHEAT

3 3.9 8.33

DARK COLOUR0.75

FOR CALCULATING CFM

APPLICATION CFM PER PERSON

DEPARTMENT AVERAGE 20DEPARTMENT DELUXE 30BANKING SPACE 10BARBER SHOPS 15BEAUTY PARLOURS 10

BROKERS BOARD ROOM 50COCKTAIL BARS 30CORRIDORSDEPARTMENT STORES 7.5DIRECTORS ROOMS 50

DRUG STORES 10FACTORIES 10FIRE AND TEN CENT STORES 7.5FUNERAL PARLOURS 10GARAGE

HOSPITAL OPERATING ROOMSHOSPITAL PRIVATE ROOMS 30HOSPITAL WARDS 20

HOTEL ROOMS 30KITCHEN RESTAURANTKITCHEN RESIDENCELABORATORIES 20

MEETING ROOMSOFFICE GENERAL 15OFFICE PVT (NO SMOKING) 25OFFICE GENERAL (SMOKING) 30

RESTAURANT 15SHOP RETAIL 10THEATER (NO SMOIKING) 7.5THEATER ( SMOIKING) 15

FOR KNOWING THE SENSIBLE/LATENT HEAT GAIN

DEGREE OF ACTIVITY TYPICAL APPLICATION

SEATED AT REST THEATER

SEATED,VERY LIGHT WORK HIGH SCHOOL

OFFICE WORKER OFFICES,HOTELS,APTS,COLLEGE

STANDING,WALKING SLOWLY DEPT,RETAIL,OR VARIETY STORE

WALKING,SEATED DRUG STORE

STANDING,WALKING SLOWLY BANK

SEDENTARY WORK RESTAURANT

LIGHT BENCH WORK FACTORY,LIGHT WORK

MODERATE DANCING DANCE HALL

WALKING,3MPH FACTORY,FAIRLY HEAVY WORK

HEAVY WORK BOWLING ALLEY FACTORY

FOR OCCUPANCY

CLASSIFICATION

60

BANKS 35

DEPARTMENT STORES/MALLS 25

OFFICFE BUILDINGS 49

OFFICES SMALL SUITES 55

RESTAURANTS 22

THEATERS AND AUDITORIUMS 5

82F 80F 78F 75F SENS LAT SENS LAT SENS LAT

175 195 155 210 140 230 120

SENS-180 LATENT-220 195 205 215 185 240 160

SQ Ft PER PERSON

APARTMENTS AND HOTEL GUEST ROOMS

SENS-180 LATENT-270 200 250 215 235 245 205

SENS-180 LATENT-270 200 250 215 235 245 205

SENS-180 LATENT-320 200 300 220 280 255 245

SENS-180 LATENT-320 200 300 220 280 255 245

SENS-190 LATENT-360 220 330 240 310 280 270

SENS-190 LATENT-560 220 530 245 505 295 455

SENS-220 LATENT-630 245 605 275 575 325 525

SENS-270 LATENT-730 300 700 330 670 380 620

SENS-450 LATENT-1000 465 985 485 965 525 925

70FSENS LAT

260 90

275 125

285 165

285 165

290 210

290 210

320 230

365 385

400 450

460 540

605 845