Research Article
Optimization of Energy Consumption in Net-Zero Energy Buildings with Increasing Thermal Comfort of Occupants
Table 4
Site data and comfort for different months of a year.
| Data/month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Air temp. (°C) | 23.7 | 24.2 | 25.7 | 26.9 | 29.1 | 30.7 | 31.4 | 31.8 | 30.4 | 27.8 | 25.5 | 23.7 | Radiant temp. (°C) | 24.9 | 25.6 | 27.3 | 29.1 | 31.4 | 32.8 | 33.6 | 33.7 | 32.5 | 29.8 | 27.1 | 24.8 | Operative temp.(°C) | 24.3 | 24.6 | 26.5 | 28.0 | 30.2 | 31.7 | 32.5 | 32.8 | 31.5 | 28.8 | 26.3 | 24.3 | Outside dry-bulb temp. (°C) | 17.9 | 19.1 | 23.2 | 26.6 | 30.6 | 33.0 | 34.2 | 33.3 | 32.0 | 28.8 | 23.4 | 18.5 | Outside dew-point temp. (°C) | 9.4 | 12.0 | 15.5 | 18.2 | 22.3 | 24.2 | 26.7 | 27.2 | 24.6 | 20.8 | 13.5 | 11.8 | Wind speed (m/s) | 2.2 | 2.3 | 3.2 | 2.4 | 3.3 | 2.9 | 3.7 | 4.1 | 3.2 | 1.6 | 2.1 | 2.8 | Wind direction (deg) | 107.3 | 131.2 | 128.5 | 108.0 | 126.8 | 131.2 | 130.3 | 135.3 | 143.5 | 68.4 | 123.6 | 144.7 | Solar altitude (deg) | -13.0 | -8.3 | -1.3 | 6.2 | 11.8 | 14.3 | 13.2 | 8.8 | 2.0 | -5.5 | -11.5 | -14.2 | Solar azimuth (deg) | 189.8 | 190.2 | 191.8 | 193.9 | 194.9 | 194.2 | 193.0 | 193.2 | 194.7 | 195.8 | 194.5 | 191.1 | Atmospheric pressure (kPa) | 101.5 | 101.4 | 101.3 | 101.0 | 100.5 | 99.8 | 99.5 | 99.6 | 99.9 | 100.2 | 100.8 | 101.1 | Direct normal solar (kWh) | 108.5 | 104.8 | 135.9 | 114.9 | 119.3 | 163.6 | 123.2 | 139.9 | 117.3 | 106.8 | 95.2 | 95.0 | Diffuse horizontal solar (kWh) | 103.1 | 131.3 | 121.8 | 183.7 | 196.7 | 156.6 | 158.1 | 147.5 | 156.3 | 139.0 | 111.8 | 98.0 |
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