transmission factors of external shading device

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hiroshi
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VE Newbie
Posts: 2
Joined: Tue Feb 26, 2013 12:59 am

transmission factors of external shading device

Post by hiroshi »

Hello All,

When setting transmission factors at 15deg increments of external shading device, how does VE evaluate its transmittances of intermediate incident angles (say, 20deg or so) ?
I wonder if VE uses linear interporation or any other method.

Thank you in advance!
Hiroshi
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PCully
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Joined: Tue Sep 09, 2008 9:52 am

Re: transmission factors of external shading device

Post by PCully »

Hi,

Linear interpolation is applied between the values entered at the specified points.

You could test this yourself quite easily as well

Phil
IES Worldwide Technical Support
hiroshi
VE Newbie
VE Newbie
Posts: 2
Joined: Tue Feb 26, 2013 12:59 am

Re: transmission factors of external shading device

Post by hiroshi »

Hi Phil,
Thank you for the reply.
I'll try it.
Regards,
Hiroshi
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