7/31/2019 Exercise2 Presentation
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Office building in Singapore
North-west
170m
85m
Max plot ratio = 13
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Process overview
1st test
- 3 parameters
- 24 variations
- parameter effects
Best 4: 2nd test
- 1 new parameter
- 4 variations
Worst 2
- further analysis
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Parameters
Rotation
Shade width
Arrangement shape, blocks
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Tested variations table
VariationArrangement Angle Shade Width
Area per unit
floor /m2Total Area /m2 Plot Ratio
Geometry No. of Blocks No. of Floors Rotated /deg Shade width /m
1
Square
1 25
0 2
3358.00 83950.00 5.82 4
35
2
4 4
5
7 15
02
561.20 58926.00 4.16 4
75
2
8 4
9
17 10
0 2
196.86 33465.69 2.310 4
115
2
12 4
13
Rectangle
1 25
02
3131.33 78283.25 5.414 4
154
2
16 4
17
7 15
0 2
515.87 54165.93 3.718 4
193
2
20 4
21
12 12
02
292.56 42128.64 2.922 4
234
2
24 4
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Variations
1,2
3,4
13,14
15,16
9,10
11,12
21,22
23,24
1,2
3,4
13,14
15,16
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7/14Results
Variation GeometryNo. of
Blocks
No. of
Floors
Rotated
/deg
Shade width
/mCooling Electricity Total
1
Square
1 25
02 71 3 74
2 4 56 4 60
3 5 2 80 4 84
4 4 72 5 76
5
7 15
02 102 4 105
6 4 84 6 90
75
2 132 4 136
8 4 111 6 117
9
17 10
02 127 4 131
10 4 109 11 12011
52 167 4 171
12 4 138 8 145
13
Rectangle
1 25
02 95 2 97
14 4 75 3 78
154
2 133 2 135
16 4 123 3 126
17
7 15
02 113 3 116
18 4 96 7 103
193
2 152 4 156
20 4 132 6 138
21
12 12
02 119 4 123
22 4 102 9 110
234
2 158 4 162
24 4 133 7 140
7/31/2019 Exercise2 Presentation
8/14Analysis of arrangement
12 3
4
1314
1516
5
6
7
8
17
18
19
20
9
10
11
12
21
22
23
24
0
2
4
6
8
10
12
0 20 40 60 80 100 120 140 160 180
Electricityin
kWh/m2/yr
Cooling Energy in kWh/m2/yr
1 Block 7 Blocks 10+ Blocks
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0
2
4
6
8
10
12
0 20 40 60 80 100 120 140 160 180
Electricityin
kWh/m2/yr
Cooling Energy in kWh/m2/yr
shade width = 2 shade width = 4
Analysis of shade width
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10/14Analysis of rotation
0
2
4
6
8
10
12
0 20 40 60 80 100 120 140 160 180
Electricityin
kWh/m2/yr
Cooling Energy in kWh/m2/yr
Rotated Not Rotated
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11/14New parameter shade position
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12/14Variations tested
Variation Geometry No. of Blocks No. of Floors Rotated /degShade width
/mCooling Electricity Total
aSquare
1 25
0
4
60 4 64
b 5 78 5 82
cRectangle
0 79 3 82
d 4 127 3 130
a
b
c d
0
2
4
6
8
10
12
0 20 40 60 80 100 120 140 160 180
ElectricityinkWh/m2/yr
Cooling Energy in kWh/m2/yr
1st Test 2nd Test
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Rotation Variationcentre border
Cooling Electricity Cooling Electricity
0 10 54 9 55 2
5 12 67 45 71 2
54 55
67 71
92
45
2
0
20
40
60
80
100
120
centre_0 border_0 centre_5 border_5
Cool ing Electric ity
7/31/2019 Exercise2 Presentation
14/14Parameters summary
-Multiple blocks block off light to the middle zone
-Rotation does not help bring in more light to a multi-block design
-Shade width has a trade-off between cooling energy consumption and daylighting
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