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The monthly average daily time-pattern of beam radiation

: Beyer, H.G.; Henning, Hans-Martin; Luther, J.; Schreitmüller, K.R.


Solar energy 47 (1991), No.5, pp.347-353
ISSN: 0038-092X
ISSN: 0375-9865
Journal Article
Fraunhofer ISE ()
diffuse; solar radiation

A modified clear sky model is used to describe the average daily beam radiation distribution. By means of this model the radiation time pattern and monthly radiation sums of the beam radiation may be calculated from one radiation input parameter only: the monthly beam radiation sum H(b)BAR or the total radiation sum HBAR, respectively. The procedure has been tested for 31 locations from 31-degrees-N to 55-degrees-N.