[Bldg-sim] insulation film on windows in EnergyPlus

[Pedro Peixeiro]

Jeong,

Shading coefficient is an older term that has been gradually substituted 
by the SHGC value. The object WindowMaterial:SimpleGlazingSystem allows 
you to enter this value directly. A quick search around the web shows 
that the SC should be around 1.15 * SHGC. But you should get some more 
reliable information on this. Also, it is recommended that you use the 
detailed input for windows and not the simple glazing system. If you 
can, get a hold of the solar transmittance and conductivity of your 
window and you should be able to use the detailed input.

Pedro.

On 11-07-2011 6:11, ??? wrote:
> Hello,
>
> I'm running simulation wih EnergyPlus.
> In order to apply ECMs, I'm trying to apply insulation films to each 
> window.
> The object I used is *WindowMaterial:Shade*, but I don't think my way 
> is correct.
> I have limited information (Available data include solar reflectance, 
> visible reflectance/transmittance, and shading coefficient),
> which is further complicating the situation.
>
> Any help will be much appreciated.
> Thank you.
>
>
> _Jeong
>
> p.s. BTW, I do not understand why there's no shading coefficient 
> field in window-related objects.
>
>
>
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