[Radiance-general] optics2glaze_glaze script

[Robin Mitchell]

It is true that you cannot model a coated layer next to an interlayer in
optics. But you will not get good results trying to model a laminate in
WINDOW.
On Oct 2, 2014 8:42 AM, "Todor Syarov" <thodor at abv.bg> wrote:

> Thank you Robin for writing back,
>
> I am reading that a coating touching an interlayer is not possible in
> Optics5.
> I am using Optics6 yet I could not find within the IGDB a PVB coating.
> How do you solve such cases?
>
> The system Im working on is:
>
> 1st layer: pane 4mm
> PVB coating 0.78mm
> 6mm glass pane#cool lite skn 174
> 22mm Argon 90%
> 2nd pane : 4mm
> (IGDB source)
>
> best,
> Niya
>
>
> -------- Оригинално писмо --------
> От: Robin Mitchell rdmitchell at lbl.gov
> Относно: Re: [Radiance-general] optics2glaze_glaze script
> До: Radiance general discussion <radiance-general at radiance-online.org>
> Изпратено на: Четвъртък, 2014, Октомври 2 18:23:34 EEST
>
>  Niya
>
>  I don't know anything about Radiance, but in terms of what you are
> trying to model, it appears to be a laminate. You can't model that in
> WINDOW. You need to model it in Optics and then import it into the WINDOW
> Glass Library as a monolithic layer. There are detailed instructions about
> how to do this on our WINDOW Knowledge Base.
>
>  http://windows.lbl.gov/software/NFRC/NFRCLaminates.html -- click on the
> first link called Laminate Procedures.
>
>  Robin
>  --
>  Robin Mitchell
> Building Technology and Urban Systems Department
> Environmental Energy Technologies Division
> Lawrence Berkeley National Laboratory
>
>  On Thu, Oct 2, 2014 at 8:13 AM, Todor Syarov <thodor at abv.bg> wrote:
>
>>  Hello,
>>
>>  I am a student in Vienna and working on a daylight simulation with
>> pipeflow:
>>  IDGB#optics6#window7.2#ecotect2011#grasshopper#radiance#daysim3.1
>>
>>  Asking with un unease, since you must also have a tight schedule,
>>  still I need to post two question:
>>
>>
>>    - What are  the steps creating double glazing material with coating
>>    for Radiance?  After generating the *.rad files from optics do you manually
>>    correct the material in Radiance editor?
>>    - How do I apply optics2glaze with the glazing script in Perl script
>>    or would you recommend just the Optics6 export in rad?
>>
>>
>>   here is one of the glazing systems:
>>  1st layer: pane 4mm
>>  PVB coating 0.78mm
>>  6mm glass pane#cool lite skn 174
>>  22mm Argon 90%
>>  2nd pane : 4mmTn = 64%
>>  (IGDB source)
>>
>>  Manufacturer value of the system
>>  Tn=68%
>>  R(outside)=13%
>>  R(inside)=11%
>>
>>  For my understanding tried to compare some values from manufacturer
>> with my Window output - and the discrepancy is too big.
>>  The PVB is missing, though.
>>
>>
>>    - How would you proceed when you solve this problem elegantly?
>>
>>
>>
>>  Any comments are highly appreciated.
>>
>>  Kind Regards from Vienna,
>>  Niya
>>
>>
>>
>>
>> _______________________________________________
>> Radiance-general mailing list
>> Radiance-general at radiance-online.org
>> http://www.radiance-online.org/mailman/listinfo/radiance-general
>>
>>
>
>
>
>
> _______________________________________________
> Radiance-general mailing list
> Radiance-general at radiance-online.org
> http://www.radiance-online.org/mailman/listinfo/radiance-general
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.radiance-online.org/pipermail/radiance-general/attachments/20141002/90320d7f/attachment.html>