Re: Fw: [EnergyPlus_Support] exterior window

["Michael J. Witte" <mjwitte@xxxxxxxx>]

I am not sure that I understand the drawing.  Whenever you model a 
window, it must be placed on a wall, even if the window covers the 
entire wall.  If I understand the drawing correctly, then you would 
specify a wall which covers the entire opening with a construction 
including glass on the outside layer and whatever the solid material 
is on the inside.  Then you would put a window on this wall which 
covers the glass-only portion.  The shading devices would be modeled 
with Surface:Shading:Attached.

Mike


On 20 Apr 2002, at 12:33, nuno lourenço wrote:

> 
> 
> I thought I could model the situation you can see in the pdf file
> only as a window.But if I do that how can I model the "shading
> device"??And what should I do about the question mark zone??If I
> model only with windows that wall can be model too?? 
> 
> Lourenço
> 
> 
> 
> ----- Original Message ----- 
> From: Michael J. Witte 
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx 
> Sent: Friday, April 19, 2002 11:29 PM
> Subject: Re: [EnergyPlus_Support] exterior window
> 
> 
> Also, if you are modeling each floor as a separate zone, then you 
> will need break the wall into a separate base surface and subsurface 
> for each floor.
> 
> 
> On 19 Apr 2002, at 6:13, Linda Lawrie wrote:
> 
> > At 04:00 AM 4/19/02, you wrote:
> > >I have windows in the exterior layer.They start at the floor of level zero 
> > >and go to the roof of the last level.
> > >How can I model this situation?I have to define the geometry of the wall 
> > >in SURFACE:HEAT TRANSFER and then go to WindowFrameAndDivider to model the 
> > >window giving the same coordinates of the wall?? IF so, I don`t have to 
> > >give the information of the construction layers (it`s the window) ???
> > 
> > Not quite.
> > 
> > As you say, the Surface:HeatTransfer models the wall.  To be expedient, use 
> > a construction with just an R value.
> > 
> > Then, you put in the Window with the Surface:HeatTransfer:Sub and put in 
> > almost the same coordinates as the wall but leave just a very small amount 
> > that will be the wall.
> > 
> > Then, you can add frames or dividers if you have them.
> > 
> > Linda
> 
> 
> 
> ========================================================
> Michael J. Witte                        mjwitte@xxxxxxxx
> GARD Analytics, Inc.                        www.gard.com
> 1028 Busse Highway                    Phone 847-698-5685
> Park Ridge, Illinois 60068-1802         FAX 847-698-5600
> USA          Energy, Environmental and Economic Research
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