RE: [EnergyPlus_Support] zone geometry

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

Another approach is to omit this wall from the input, but then you would lose 
the mass and radiant exchange impact of the wall.  

Mike




On 29 Dec 2003, at 9:51, Griffith, Brent wrote:

> mohit, 
> 
> You should break up that wall into separate surfaces that each conform to the
> different zones.  
> 
> If you set the outside face to ExteriorEnvironment, then your wall is not going
> to be "adiabatic".  The closest you can come to adiabatic (with boundary
> conditions) is to set the outside face to  "otherzonesurface" and then use the
> name of the surface itself as the "Outside Face Environment Object."  Note that
> this surface is still modeled with thermal mass and is not really "adiabatic" ;
> it will store and release heat if the interior temperature changes as with
> setup/setback.  You could also set an interior layer of the wall to an
> unrealistic, extremely low conductance if you really want to emulate
> "Adiabatic."  
> 
> Brent
> 
> [Griffith, Brent] 
>  -----Original Message-----
> From: Mohit Mehta [mailto:mohitmehta1@xxxxxxxxx]
> Sent: Friday, December 26, 2003 8:23 PM
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: [EnergyPlus_Support] zone geometry
> 
> 
> 
> 
> season's greetings all.
> 
> i have a 5-story building. the exterior wall is adjacent to 11 zones (2 on each
> floor plus the atrium). i am modeling this wall as adibatic as i am only
> modeling a certain section of the building. my question is - can i enter it as
> one wall or do i have to break it up into 11 smaller walls (one with each zone)?
> if i can enter it as one wall then what should my input for
> "InsideFaceEnvironment" be since eplus allows only one option?
> OutsideFaceEnvironment is ExteriorEnvironment, which shouldn't matter as it is
> adibatic.
> 
> thanks,
> 
> ~mohit
> 
> 
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx


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