[Equest-users] modeling a different DGU

Chris Jones cj at enersave.ca
Tue Aug 7 07:21:11 PDT 2012


Create a new glass type and select from the equest library, Double 
Clr/Tint, Entry 2003 ( double 6mm clear, air gap).  When you define 
the window, use Insulated spacer, and define the frame conductance 
based on the conductivity of wood.  I assumed a 3" thick frame (from 
outside to first glass pane).  I entered the contuctance for White 
Pine, 3" thick = 0.374.  I made the frame 3" wide.  That's is a 
fairly close approximation.  You could create the exact frame and 
glass layers in Therm, then define the window in Window, importing 
the frame information from Therm.  Or you could play with the 
sensitivity of the frame conductance to determine the relative on the 
overall window performance.



At 01:05 AM 07/08/2012, kirti pabrekar wrote:
>Hi All,
>
>In one of my project, I have to model a Double Glass Unit. However 
>this is differently designed. There are two 6mm glass panels. Each 
>of this is installed with wooden frame. Further these frames are 
>placed at a distance of 30mm from each other. This assembly behaves 
>like a DGU. Can someone please tell me how to model this.
>
>Thank you in anticipation
>
>--
>Regards,
>Ar. Kirti Pramod Pabrekar.
>IGBC AP, LEED India,
>M. Arch,
>Environmental Planning and Design.
>
>...Green is a commitment...not a competition...
>
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 >>
Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
Tel. 416-203-7465
Fax. 416-946-1005
email cj at enersave.ca
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