[TRNSYS-users] Sky model for diffuse radiation in type 99- model 5-the Perez 1999

[Zhiyong Tian]

Hello,

Does anyone know the details about the Perez 1999 model ? what kind of the brightness coefficients used in model 5 of Type 99?

What I can find so far is that the model developed by Perez in 1988 and 1990.

Good weekend.

Tian
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