Q CHART
3
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description
Cooling Load Data
Transcript of Q CHART
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Caf shop Study room Toilet restaurant karaoke Changing
room
Gym
Room
Open area
I(Mean solar
heat gain W)
Summer
(July)
S220 S220 E240 S240 S220
E240
S220
E240
Winter
(January )
S373 S373 E101 S373 S373
E101
S (solar gain
factor of
glazing)
0.25 0.25 0.25 0.25 0.25
Ag (sunlit
area of
glazing m)
S30 S60 E45 S24 S60
E36
S30
E75
t'ao (Mean outdoor air
temperature
c)
Summer(July) 28.7 28.7 28.7 28.7 28.7 28.7 28.7 28.7
Winter
(January )
16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1
Floor and
ceiling area
150 300 120 378 120 160 240 932
Sa
(Alternating
solar gain
factor for the
0.24 0.24 0.24 0.24 0.24
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glazing)
Ip (peak solar
intensity W/
m)
Summer
(July)
S751 S751
E928
S751
S751
E928
S751
E928
Winter
(January
S1666 S1666
E733
S1666
S1666
E733
ao(swing in
the outdoor
air
temperature
c)
Summer
(July)
2.6 2.6 2.6 2.6 2.6
Winter
(January
2.5 2.5 2.5 2.5
Infiltration(air
interchange
per hour)
3 0.6 2 5 3 4 4 3
Mean Relative Humidity of Ambient Air: Summer 81%, Winter: 61%
U - Value of construction materials
External wall standard 4 concrete slab, U=0.5 W/ mK
Combined ceiling and Floor with fiber pad on one side: U=0.4 W/ mK
Window anti-sun double glazing, U=1.5 W/ mK
Partition - plaster board with insulation, U=1.5 W/ mK
