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Table 2
Maximum and minimum U-values for the PV modules in the system and average U-values for the whole system at a wind speed of 3 m/s. Values in parenthesis are the average cell temperatures used to compute the U-values.
| Attack angle of wind | Maximum U-value | Average U-value | Minimum U-value |
|---|---|---|---|
| From front (Fig. 6a) | 35.5 W/m2K (37.3 °C) | 31.7 W/m2K (39.4 °C) | 29.1 W/m2K (41.1 °C) |
| From diagonal (Fig. 6b) | 40.5 W/m2K (35.2 °C) | 34.0 W/m2K (38.1 °C) | 27.2 W/m2K (42.6 °C) |
| From side (Fig. 6c) | 41.8 W/m2K (34.7 °C) | 30.4 W/m2K (40.2 °C) | 25.0 W/m2K (44.6 °C) |
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