Table 7 Original equations obtained in this research for the estimation of solar radiation by SCE algorithm.
Station | A–P model | R2 | Model 3 | R2 |
---|---|---|---|---|
Bandar Abbas | Rs = ( 0.38 + 0.35 × (n/N)) × Ra | 0.841 | Rs = (0.40 + (0.35 × (n/N)) − 0.0019 × (Tmax − Tmin) + 0.000 × (RHmean)) × Ra | 0.840 |
Esfahan | Rs = (0.15 + 0.58 × (n/N)) × Ra | 0.970 | Rs = (0.15 + (0.58 × (n/N)) − 0.0004 × (Tmax − Tmin) + 0.000 × (RHmean)) × Ra | 0.969 |
Kerman | Rs = (0.27 + 0.51 × (n/N)) × Ra | 0.923 | Rs = (0.29 + (0. 50 × (n/N)) − 0.0019 × (Tmax − Tmin) − 0.0003 × (RHmean)) × Ra | 0.925 |
Mashhad | Rs = (0.22 + 0.62 × (n/N)) × Ra | 0.981 | Rs = (0.23 + (0.61 × (n/N)) − 0.0007 × (Tmax − Tmin) − 0.0001 × (RHmean)) × Ra | 0.981 |
Shiraz | Rs = (0.25 + 0.53 × (n/N)) × Ra | 0.923 | Rs = (0.30 + (0.51 × (n/N)) − 0.0012 × (Tmax − Tmin) − 0.0007 × (RHmean)) × Ra | 0.923 |
Yazd | Rs = (0.18 + 0.53 × (n/N)) × Ra | 0.921 | Rs = (0.24 + (0.65 × (n/N)) − 0.0035 × (Tmax − Tmin) − 0.0007 × (RHmean)) × Ra | 0.925 |