[Bldg-sim] LBNLWindows Program

[R B]

Alex and Robin,
Thanks for the info, I might try the optics route.
Any particular reason why the glass database does not have the SHGC?
Alex, I did use the Tsol initially, but the same Tsol for two glass types
gives different SHGC - so the only way to get the SHGC that I want was to
use the calc function for various glass with similar Tsol, which is quite
tedious.

Thanks again,
-Rohini

On Wed, May 16, 2012 at 2:30 PM, Robin Mitchell <rdmitchell at lbl.gov> wrote:

> Rohini –****
>
> ** **
>
> Alex is correct – there are some glass layers in WINDOW that have films on
> them, but if you want to model a film that is not already in the Glass
> Library, you need to use Optics to add the film to a glass layer substrate,
> then import that new applied film glass layer into the WINDOW Glass
> Library. There are detailed instructions about how to do this on our WINDOW
> Knowledge Base page under the NFRC section:****
>
> ** **
>
> http://windows.lbl.gov/software/window/6/W63_faq.html****
>
> ** **
>
> And here is a direct link to the PDF file that explains the procedure:****
>
> ** **
>
> http://windows.lbl.gov/software/NFRC/AppliedFilmProcedure-20081006.pdf****
>
> ** **
>
> Robin Mitchell****
>
> Windows & Daylighting Group****
>
> Lawrence Berkeley National Laboratory****
>
> ** **
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *Alexander Krickx
> *Sent:* Wednesday, May 16, 2012 11:06 AM
> *To:* R B; bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] LBNLWindows Program****
>
> ** **
>
> Hi Rohini,****
>
> ** **
>
> Window does have a large installed library of glass+film combinations.
> However, if you want to create a combination that is not currently in the
> library, I believe you will need to use LBNL Optics. The Optics program
> allows you to combine glass and films and also make laminates. Optics files
> can then be exported to Window.****
>
> ** **
>
> I need to reinstall Window so I can’t check, but off the top of my head
> sorting by T-sol (solar transmittance) might be the closest match to SHGC
> for variables you can sort by.****
>
> ** **
>
> Good luck!****
>
> Alex****
>
> ** **
>
> *Alex Krickx, LEED AP*
> Project Engineer**
>
> *________________________________*****
>
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>
> *                         ** **GROUP*****
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>
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> 510 663 2070 x 247****
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> www.integralgroup.com****
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> ** **
>
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> *From:* bldg-sim-bounces at lists.onebuilding.org [
> mailto:bldg-sim-bounces at lists.onebuilding.org<bldg-sim-bounces at lists.onebuilding.org>]
> *On Behalf Of *R B
> *Sent:* Wednesday, May 16, 2012 9:20 AM
> *To:* bldg-sim at lists.onebuilding.org
> *Subject:* [Bldg-sim] LBNLWindows Program****
>
> ** **
>
> If a film is applied on an existing glass, can the windows program be used
> for it? If I want to find an equivalent glass, is there a way to search the
> glass database by the SHGC? ****
>
> Thanks,****
>
> -Rohini****
>
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