Research Article
Suitable Glazing Selection for Glass-Curtain Walls in Tropical Climates of India
Table 4
Effect of orientation of glass-curtain walls on building energy consumption.
| | Station | Annual energy consumption (kWh/m2yr) | | Glazing type | Glazed area (%) | North | South | East | West |
| | Delhi | Clear-clear (reference) | 20 | 98.0 | 106.5 | 99.8 | 98.8 | | Clear-clear | 90 | 153.5 | 218.9 | 167.8 | 163.7 | | Low-e1-clear | 90 | 149.2 | 217.1 | 163.2 | 160.5 | | Low-e2-clear | 90 | 133.0 | 180.2 | 142.4 | 140.2 | | Sol.control-abs | 90 | 113.9 | 125.8 | 112.2 | 112.8 | | Sol.control-ref | 90 | 97.1 | 100.0 | 94.9 | 95.1 |
| | Jodhpur | Clear-clear (reference) | 20 | 105.5 | 118.9 | 108.9 | 108.4 | | Clear-clear | 90 | 164.6 | 242.7 | 185.3 | 186.5 | | Low-e1-clear | 90 | 162.2 | 239.8 | 181.9 | 181.7 | | Low-e2-clear | 90 | 143.8 | 200.8 | 158.4 | 160.4 | | Sol.control-abs | 90 | 120.4 | 140.6 | 121.4 | 123.0 | | Sol.control-ref | 90 | 102.6 | 108.8 | 101.7 | 102.9 |
| | Chennai | Clear-clear (reference) | 20 | 124.7 | 132.5 | 124.9 | 125.0 | | Clear-clear | 90 | 195.0 | 230.8 | 200.5 | 202.0 | | Low-e1-clear | 90 | 191.1 | 226.3 | 195.9 | 197.2 | | Low-e2-clear | 90 | 170.1 | 196.2 | 173.7 | 174.6 | | Sol.contro-abs | 90 | 140.2 | 152.4 | 138.3 | 140.3 | | Sol.contro-ref | 90 | 119.4 | 124.5 | 117.5 | 118.6 |
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