daylighting in cloudy sky

Daylight and electric lighting design analysis to calculate number of luminaires required and light levels for defined schemes/planes.
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fatemeh azizpour
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Joined: Fri Aug 27, 2010 5:34 am

daylighting in cloudy sky

Post by fatemeh azizpour »

hi every body
i have a question in daylight simulation:
when i setting it in cloudy condition,why does the soft ware show the same amount of daylight in west and east window at 8 a.m.?

while in real situation they are not exactly equal,for example in 8 a.m. may be the the difference between east and west in cloudy sky less than sunny ,but they are not the same.

thanks for helping me
Fateme,
ZapBran
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Joined: Fri Apr 10, 2009 3:40 pm
Location: Manchester, UK

Re: daylighting in cloudy sky

Post by ZapBran »

Hi

I think it's just a simple case of the cloudy condition being represented by a fully diffuse hemisphere.

Zap
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