Table 5 Sabbagh model for the six cities
From: Evaluation of global solar radiation from meteorological data in the Sahelian zone of Chad
Sites | S | S 0 (h) | RH (%) | T max (°C) | S/S 0 | H (kWh/m2) | Err (%) |
|---|---|---|---|---|---|---|---|
Abeche | 11.62 | 11.39 | 36 | 37.42 | 1.02 | 6.354 | 3.704 |
N’Djamena | 8.74 | 11.47 | 44.85 | 36.38 | 0.76 | 5.742 | −0.348 |
Ati | 12.09 | 11.42 | 39.52 | 36.22 | 1.06 | 6.151 | 0.356 |
Bokoro | 12.08 | 11.46 | 42.13 | 36.73 | 1.05 | 6.189 | 5.032 |
Mongo | 12.09 | 11.47 | 36.37 | 36.45 | 1.05 | 6.195 | 4.825 |
Moussoro | 12.1 | 11.4 | 33.18 | 35.56 | 1.06 | 6.126 | 3.4 |