CLTD MTD

Roof

=

U = 0.3A = 500 m2

Roof No = 13

inside temperature tr = 25 degCdaily range = 11 degC maximum outdoor temperature = 32 degC

Corr. CLTD = CLTD + (25.5 - tr) + (tm - 29.4) = CLTD + (25.5-25) + ( 32-11/2-29.4)= CLTD + -2.4

Time 0900 1000 1100 1200 1300 1400 1500 1600 1700CLTD 9 9 11 13 16 18 21 23 26

Corr. CLTD 6.6 6.6 8.6 10.6 13.6 15.6 18.6 20.6 23.6

U 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3

A 500 500 500 500 500 500 500 500 500

990 990 1290 1590 2040 2340 2790 3090 3540

Heat Gain - External Walls

External walls -South wall

=U = 11A = 20m x 4.5m x 80%

= 72 m2

Wall No = 13

Time 0900 1000 1100 1200 1300 1400 1500 1600 1700CLTD 5 5 5 6 7 9 11 12 13

Corr. CLTD 2.6 2.6 2.6 3.6 4.6 6.6 8.6 9.6 10.6

U 11 11 11 11 11 11 11 11 11

A 72 72 72 72 72 72 72 72 72

2059 2059 2059 2851 3643 5227 6811 7603 8395

Q Roof U * A * CLTD Roof Corrected

W /m2.K

Q Roof

Q Wall U * A * CLTD Wall Corrected

W /m2.K

Q3 Wall,S

External walls -East wall

=U = 11A = 25m x 4.5m x 80%

= 90 m2

Wall No = 13

Time 0900 1000 1100 1200 1300 1400 1500 1600 1700CLTD 8 9 12 14 16 16 17 17 17

Corr. CLTD 5.6 6.6 9.6 11.6 13.6 13.6 14.6 14.6 14.6

U 11 11 11 11 11 11 11 11 11A 72 72 72 72 72 72 72 72 72

4435 5227 7603 9187 10771 10771 11563 11563 11563

External walls -North wall

=U = 11A = 20m x 4.5m x 80%

= 72 m2

Wall No = 13

Time 0900 1000 1100 1200 1300 1400 1500 1600 1700CLTD 4 4 4 5 6 6 7 8 8

Corr. CLTD 1.6 1.6 1.6 2.6 3.6 3.6 4.6 5.6 5.6

U 11 11 11 11 11 11 11 11 11A 72 72 72 72 72 72 72 72 72

1267 1267 1267 2059 2851 2851 3643 4435 4435

External walls -West wall

=U = 11A = 25m x 4.5m x 80%

= 90 m2

Wall No = 13

Time 0900 1000 1100 1200 1300 1400 1500 1600 1700CLTD 5 5 5 6 7 9 11 12 13


W /m2.K

Q2 Wall


W /m2.K

Q1 Wall


W /m2.K

Corr. CLTD 2.6 2.6 2.6 3.6 4.6 6.6 8.6 9.6 10.6

U 11 11 11 11 11 11 11 11 11A 72 72 72 72 72 72 72 72 72

2059 2059 2059 2851 3643 5227 6811 7603 8395

Solar - Glass

Solar Glass – North wall

= A * SC * SCL A = 20m x 4.5m x 20%

= 18 m2SC = 0.55

For single story building from Table 35B, having 1 exterior walls, without carpet, Gypsum partition type, without inside shade, the Zone type for glass solar is C.

Q4 Wall

Q Glass Solar (rad)

Time 0900 1000 1100 1200 1300 1400 1500 1600 1700

SC 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55

SCL 85 95 104 107 110 107 101 91 91A 18 18 18 18 18 18 18 18 18

842 941 1,030 1,059 1,089 1,059 1,000 901 901

Solar Glass – South wall

= A * SC * SCL A = 20m x 4.5m x 20%

= 18 m2SC = 0.55


Time 0900 1000 1100 1200 1300 1400 1500 1600 1700SC 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55

SCL 113 170 221 249 249 221 170 126 104A 18 18 18 18 18 18 18 18 18

1,119 1,683 2,188 2,465 2,465 2,188 1,683 1,247 1,030

Solar Glass – East wall

= A * SC * SCL A = 25m x 4.5m x 20%

= 22.5 m2SC = 0.55


Time 0900 1000 1100 1200 1300 1400 1500 1600 1700

SC 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55

SCL 457 391 280 195 176 164 148 135 117A 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5

5,655 4,839 3,465 2,413 2,178 2,030 1,832 1,671 1,448

Q1 Glass Solar,N

Q Glass Solar (rad)

Q Glass Solar,S

Q Glass Solar (rad)

Q1 Glass Solar,N

Solar Glass – West wall

= A * SC * SCL A = 25m x 4.5m x 20%

= 22.5 m2SC = 0.55


Time 0900 1000 1100 1200 1300 1400 1500 1600 1700

SC 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55

SCL 98 107 113 117 186 309 416 482 491A 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5

1,213 1,324 1,398 1,448 2,302 3,824 5,148 5,965 6,076

People

N = 02 person / room x 24 rooms= 48 people

Qs = 75 WQL = 55 W

type, No inside shade, the Zone type for People is C.From Table 37, for Zone type C, at 10hours in space (for 9 hrs) , CLF selected.Time Watts in Table 3

CLF Zone CCooling load (W)

Sensible Latent Sensible Latent0900 48 9 1 75 55 0.92 3,312 26401000 48 9 2 75 55 0.94 3,384 26401100 48 9 3 75 55 0.35 1,260 26401200 48 9 4 75 55 0.28 1,008 26401300 48 9 5 75 55 0.23 828 2640

1400 48 9 6 75 55 0.18 648 2640

1500 48 9 7 75 55 0.15 540 2640

1600 48 9 8 75 55 0.12 432 2640

1700 48 9 9 75 55 0.10 360 2640

Q Glass Solar (rad)

Q1 Glass Solar,N

Q sensible = N (QS) (CLF)

Q latent = N (QL)

For single story building from Table 35B, having 4 exterior walls, without carpet, concrete block partition

No. of people

Hrs in space

Hrs after entry

LightsQ =

No of lights = 01 Light per room x 24 rooms= 24 Nos

Capacity of light = 1,536 Watt= 24 x 1536= 36,864 Watt

type, no inside shade, the Zone type lighting is C.

Time

0900 9 1 36,864 1 1.2 44,237 0.92 40,698 1000 9 2 36,864 1 1.2 44,237 0.93 41,140 1100 9 3 36,864 1 1.2 44,237 0.25 11,059 1200 9 4 36,864 1 1.2 44,237 0.16 7,078 1300 9 5 36,864 1 1.2 44,237 0.13 5,751

1400 9 6 36,864 1 1.2 44,237 0.11 4,866

1500 9 7 36,864 1 1.2 44,237 0.09 3,981

1600 9 8 36,864 1 1.2 44,237 0.08 3,539

1700 9 9 36,864 1 1.2 44,237 0.08 3,539

Appliances

= Qin x Fu x Frx (CLF)

No of computers = 01 per room x 24 rooms= 24 Nos= 24 Nos x 200 Watt

4,800 Watt

From Table 35B, Zone type is C. From Table 39, for 10 hrs in operation (for 9hrs use) CLF is selected.

TimeSensible

0900 4800 9 1 0.89 42721000 4800 9 2 0.91 43681100 4800 9 3 0.5 24001200 4800 9 4 0.4 19201300 4800 9 5 0.33 1584

1400 4800 9 6 0.26 1248

1500 4800 9 7 0.21 1008

W. Ful .Fsa (CLF)

For single story building from Table 35B, having 4 exterior walls, without carpet, concrete block partition

Hrs in operation

Hrs after lights

turned on

Fluorescent

WattageLighting

Use Factor

Lighting special

allowance Factor

Heat Gain/[Watt]

CLF Zone C

Fluorescent

Lighting load

Q Sensible

Assume Fu = 1.0 &Fr = 1.0

Sensible Watts

Hrs in space

Hrs after entry

CLF Zone C

Cooling load (W)

1600 4800 9 8 0.17 816

1700 4800 9 9 0.14 672

Infiltrationq (sensible) = 1.23Q(to-ti)

Assume , air changes = 0.5 ACHQ = 20x25x4.5x.5x1000/3600 l/s

= 312.5 l/s

q (sensible) = 1.23x312.5x(32-25)= 2,691 W

q (latent) = 3010Q (W0-Wi)= 3010x312.5x(0.0225-0.0100)

11,758 Watt

Documents

CLTD MTD