[Equest-users] Adjacent Shells

[Crockett, Jim]

I just checked, and it does not create an exterior wall with the
properties of the interior wall.  (Not sure that eQUEST will let you
create an internal wall with the outdoors on the opposite side.)  It
creates an interior wall with the same space on both sides of the wall
(it's like inserting a wall into the middle of a zone), so unlikely to
have any heat transfer.  

 

Robert had a much better solution, I'd recommend using his.

 

 

 

________________________________

From: Nick Caton [mailto:ncaton at smithboucher.com] 
Sent: Wednesday, November 11, 2009 1:26 PM
To: Crockett, Jim; equest-users at lists.onebuilding.org
Subject: RE: [Equest-users] Adjacent Shells

 

Jim,

 

I think the issue-at-hand here, if I'm understanding correctly, is that
there's concern an internal wall created by avoiding the footprint
perimeter will simply use the defined internal wall construction and
transfer to/from the outside... I'm not certain (and I haven't tested
this) that you want to answer "don't care" without verifying this isn't
the modeled behavior.

 

~Nick

 

 

NICK CATON, E.I.T.

PROJECT ENGINEER

25501 west valley parkway

olathe ks 66061

direct 913 344.0036

fax 913 345.0617

Check out our new web-site @ www.smithboucher.com 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of
Crockett, Jim
Sent: Wednesday, November 11, 2009 1:15 PM
To: John Aulbach; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Adjacent Shells

 

Not sure.  But if the set point on both sides of the wall is the same,
the heat transfer will be negligible.  Short answer is 'don't care.'

 

________________________________

From: John Aulbach [mailto:jra_sac at yahoo.com] 
Sent: Wednesday, November 11, 2009 12:13 PM
To: Crockett, Jim; Rocha, Sheri; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Adjacent Shells

 

Jim:

 

Will you get the internal heat ransfer between these walls? Or will you
care?

 

 

John R. Aulbach, PE, CEM

Senior Energy Engineer

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Partner Energy

1990 E. Grand Avenue, El Segundo, CA 90245
W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745

www.ptrenergy.com <http://www.ptrenergy.com/>  | jaulbach at ptrenergy.com
<mailto:%7C%20jaulbach at ptrenergy.com> 

 

 

________________________________

From: "Crockett, Jim" <Jcrockett at nexant.com>
To: "Rocha, Sheri" <srocha at mkkeng.com>;
equest-users at lists.onebuilding.org
Sent: Wed, November 11, 2009 9:28:33 AM
Subject: Re: [Equest-users] Adjacent Shells

We accidentally stumbled onto a way of doing this.

 

If the walls on the zoning tab do not line up with the walls on the
shell tab, they will show up as internal walls.

 

Example 1

Shell:

(0,0)  (100,0)  (100,100) (0,100)

Zone:

(1,1) (99,1) (99,99) (1,99)

 

This will create a zone surrounded by 4 internal walls.

 

Example 2

Shell:

(0,0)  (100,0)  (100,100) (0,100)

Zone:

(1,0) (99,0) (99,99) (1,99)

 

Will create a zone with 1 external wall ( on the south side) and 3
internal walls.

 

Hope this helps.

 

 

 

Jim

 

 

 

________________________________

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Rocha,
Sheri
Sent: Wednesday, November 11, 2009 9:45 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Adjacent Shells

 

I am modeling a building with multiple wall types therefore I have 3
shells per floor.  I am trying to figure out how to have the adjacent
walls between shells be modeled as interior instead of exterior.  In one
of spot they came out as interior, but I am not sure how I did it.  I am
trying to do as much in the wizard as possible.   Does anyone know how
to do this??

 

Thanks for your help.

 

Sheri Rocha, P.E. , LEEDTM AP
Senior Mechanical Engineer 
srocha at mkkeng.com <mailto:srocha at mkkeng.com>  
www.mkkeng.com <http://www.mkkeng.com/>  

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