[Equest-users] Aluminum infill panel behind the glass

[David Reddy]

Since the insulation is not continuous, the overall effect of adding 
this insulation is minimal.  2D or 3D thermal analysis would be needed 
to come up with the best estimates, but the CEC also includes in thier 
Standards Joint Appendix (JA) some reasonable estimates; see Table 4.3.8 
and related equations.

Here is a link to the 2013 CEC Standards site:
http://www.energy.ca.gov/title24/2013standards/rulemaking/documents/final_rulemaking_documents/44_Final_Express_Terms/
I don't think any of this changed from 2008 -> 2013.

David

-- 

David Reddy

*360 Analytics*
Building Energy Analysis Consultants
mail:     9750 3rd Ave NE, Suite 405, Seattle, WA 98115
office:  206.557.4732 x 201
cell:      206.406.9856
web:    www.360-Analytics.com


On 8/16/2013 12:09 PM, Morteza Kasmai wrote:
>
> Hello all,
>
> Attached is a part of wall section of the proposed model of office 
> building anticipated LEED silver certification.
>
> 8-43 is Alum. Curtain wall system (KAWNEER CLEARWALL) fritted pattern 
> on #2 clear glazing surface and painted spandrel on #4 clear glazing 
> (U-0.48, SHGC-0.39) and 8-45 is Aluminum infill panel with 2" rigid 
> insulation.
>
> I am assuming this part as spandrel glass in the proposed model. How 
> can I add the effect of 8-45 that is behind the glass?
>
> I would appreciate your comments.
>
> Morteza
>
> Inline image 1
>
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>
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