[Virtual-sim] Low DF-values with Radiance

Paul Carey paul at zed-uk.com
Mon Sep 28 08:07:30 PDT 2009


Erik

Try carrying out a model for one room at a time. The results tend to  
be quite different.

Cheers
Paul



Sent from my iPhone

On 28 Sep 2009, at 15:55, Erik Eriksson <erik.eriksson at white.se> wrote:

>
> Hi all,
>
> I'm doing some daylighting studies with RadianceIES with a model  
> I've imported from revit. The model seems to have been imported just  
> fine.
> However I'm getting very low DF-values.
> The rooms I've been studying are rectangular cellular offices with  
> about 12% of the floor area consisting of windows.
> The results show that approx 5-10% the area of a working plane at  
> 0,8 m above the floor has a DF-value of 1.2 %.
> This feels like a very low number. The window transparancy is 0,9  
> and all the walls are white colored. The ceiling is white and the  
> floor is gray.
>
> Does anyone have a suggestion as to what might be wrong or if these  
> values seem ok.
>
> Thanks in advance
>
> Best regards
>
> E r i k   E r i k s s o n
>
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