[Equest-users] External Adiabatic

[Deepika]

I think the u value can be changed to 0.001 to male the wall with almost zero heat transfer when in detailed mode. I tried doing that n it worked. 



On Apr 27, 2011, at 7:06 AM, Arpan Bakshi <arpanbakshi at gmail.com> wrote:

> Yes, the problem here is I am deep into detailed mode. Looks like we have to crack open the text edit again.
> 
> Thanks
> Arpan
> 
> On Apr 27, 2011, at 9:55 AM, "Chris Swanson" <cswanson at rdfa.com> wrote:
> 
>> See below.  Nick gives a good explanation when I posed the same question a couple weeks ago.
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>>  
>> 
>> Chris Swanson, EI
>> 
>> Mechanical Design Engineer
>> 
>> Roger D. Fields & Associates
>> 
>> (614) 451-2248
>> 
>>  
>> 
>> -------------------------------------------------------------------------------------------------------------------
>> 
>> “A suggestion for you both:
>> 
>>  
>> 
>> Right click any side of a shell during DD wizards at the zone definition screen (after any custom footprint/zoning patterns) to make that wall section “entirely adiabatic.”  This sidesteps making any extra shells/systems and avoids having to back any figures out later.  Screengrab following illustrates where I’m talking about – results in the background. 
>> 
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>> You can accomplish the same net effect in detailed mode in various ways, but I think this is probably the easiest/fastest approach if you know from the start you want to model only part of a building with exterior exposures. 
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>> <image001.png>
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>> Best of luck!
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>> ~Nick
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>> <image002.jpg>
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>>  
>> 
>> NICK CATON, E.I.T.
>> 
>> PROJECT ENGINEER
>> 
>> Smith & Boucher Engineers
>> 
>> 25501 west valley parkway
>> 
>> olathe ks 66061
>> 
>> direct 913 344.0036
>> 
>> fax 913 345.0617
>> 
>> www.smithboucher.com
>> 
>>  
>> 
>> From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Bruce Easterbrook
>> Sent: Wednesday, April 06, 2011 9:58 AM
>> To: Chris Swanson
>> Cc: equest-users at lists.onebuilding.org
>> Subject: Re: [Equest-users] How to model part of a building?
>> 
>>  
>> 
>> You have the right idea.  Depending on the building of course, but I try to lump the part you aren't concerned about onto one AHU, and default everything in that portion.  You are only concerned about the intersecting wall and it's condition.  Add your other AHU's and zoning for the portion you want to work on.  With the one extra AHU is makes it relatively easy to back out its numbers from the building analysis and you are left with what you want.
>> Bruce Easterbrook P.Eng.
>> Abode Engineering
>> 
>> On 06/04/2011 10:15 AM, Chris Swanson wrote:
>> 
>> Hello all,
>> 
>>  
>> 
>> I’m looking for recommendations of how to model just one section of a building in eQUEST.  Three sides are exterior walls, while the fourth is connected to the rest of the building, and therefore next to a conditioned space.  Would the best method be to just use two separate shells (1 – the building “wing” I’m analyzing, 2 – the rest of the building), although I’m only concerned with one of them?  Is there a better way to do this?  I’m hoping someone can point me in the right direction. 
>> 
>>  
>> 
>> Thanks,
>> 
>>  
>> 
>> Chris Swanson, EI
>> 
>> Mechanical Design Engineer
>> 
>> Roger D. Fields & Associates
>> 
>> Columbus, Ohio 43220-2777
>> 
>> E-mail: cswanson at rdfa.com”
>> 
>>  
>> 
>>  
>>  
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>> 
>>  
>> 
>> -----Original Message-----
>> From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Arpan Bakshi
>> Sent: Wednesday, April 27, 2011 9:48 AM
>> To: equest-users
>> Subject: [Equest-users] External Adiabatic
>> 
>>  
>> 
>> I can't find this thread I remember seeing about turning an exterior surface adiabatic where new construction meets existing building, ideas?
>> 
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>>  
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>> Arpan Bakshi, LEED AP BD+C
>> 
>> YRG sustainability
>> 
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