[TRNSYS-users] Radiation in lux

["keilholz, werner" <werner.keilholz@cstb.fr>]

Dear TRNSYS users,

 

I just ran into a weather data file with solar radiation data in ‘lux’.

 

Now, that’s even worse than the usual kj/hr.m^2… Illuminance (in lux or cd/m^2) is a different dimension than Flux (in W/m^2), but one might think there should be some relation between the two.

Is there a way to compute (diffuse?) radiation from it?

 

Thanks,

Werner Keilholz
TIDS / IIL / Ingénieur

Centre Scientifique et Technique du Bâtiment
84 avenue Jean Jaurès - Champs-sur-Marne - 77447 Marne-la-Vallée Cedex 2
Tél : 04 93 95 67 46
Fax : 04 93 95 67 33
Port : 06 82 93 32 36

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