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[EnergyPlus_Support] question about Window 5
Using the Window5 data file, will energy plus determine all the glazing dimensions including glass, frame, and divider area based upon the data file dimensions or will E+ automatically scale the entire glazing system up to the dimensions I have specified in my model (3'x5'). I just want to know how much exposed glazing area I will have in my model to verify it vs other references.
Thanks
Ian
----- Original Message -----
From: Frederick Winkelmann
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Sent: Thursday, January 22, 2004 4:55 PM
Subject: Re: [EnergyPlus_Support] question about Window 5
Ian,
Since your frame is uniform you don't have to change anything. You can go ahead and use the Window5 data file in EnergyPlus.
Fred Winkelmann
Ian Doebber wrote:
> In my program, I specify each window dimension as 3'x5'. The window designed using default glazing, framing, and dividers in Window 5 has over 10% smaller dimensions. The warning message said that this will effect my frame heat transfer calculations if the frame in the data file is not uniform (i.e. change in geometry or properties). Since my frame is completely uniform, can I just not change anything and the window heat transfer calculated will have the properties from the data file but be the 3'x5' size that I specified in my E+ program.
>
> If I do need to make a correction, is there a way to change the dimensions of the specified window in the data file or Window5 program to 3'x5' or do I have to start from scratch to make my own frame system in THERM and import it into Window5.
>
> Thanks
> Ian
> ----- Original Message -----
> From: Edward Lyon
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Sent: Thursday, January 22, 2004 1:23 PM
> Subject: Re: [EnergyPlus_Support] problem with WINDOW5 input
>
> My reply to question 2 as a WINDOW 5 user is that a "window" in WINDOW5
> is the sum of the related glass and frame members that you specify. The
> frame members are calculated in THERM and referenced by WINDOWS5. Some
> default frames may exist, but the accuracy of your window system calcs
> relies on an accurate description of the whole assembly. For energy
> modeling, I also typically include part of the wall in the window frame
> because there are some installed window effects that are not accounted
> for if the normal adabatic conditions at the frame edge.
>
> Ned Lyon
>
> Senior Project Manager
> Simpson Gumpertz & Heger Inc.
>
> 41 Seyon Street
> Building #1, Suite 500
> Waltham, MA 02453
>
> Phone: 781-907-9000
> Fax: 781-907-9009
>
> >>> mjwitte@xxxxxxxx 01/22/04 11:47 AM >>>
>
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