[Radiance-general] gendaylit and Perez sky question

[Jan Wienold]

Hi Martin,

yes, that's correct. But the diffuse irradiance (also full spectrum) is 
used on an horizontal plane.

Regards,

Jan




Martin Moeck wrote:

>gendaylit ... -W  direct  diffuse ... :
> 
>direct = direct normal irradiance in W/m2 due to the sun over total spectrum = beam radiation = solar radiation form the direction of the sun, and NOT on a horizontal surface - correct?
> 
>Thanks
> 
>Martin Moeck
>  
>
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-- 
Dipl.-Ing. Jan Wienold
Project Manager
Fraunhofer-Institut für Solare Energiesysteme
Thermal Systems and Buildings, Lighting and Daylighting
Heidenhofstr. 2, 79110 Freiburg, Germany
Phone: +49(0)761 4588 5133 Fax:+49(0)761 4588 9133
jan.wienold at ise.fraunhofer.de
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