[Equest-users] Green Roof - eQuest style

[Paul Diglio]

So Jeremiah:

Do you any business relationship with Design Builder?

 Paul Diglio, CEM, CBCP


87 Fairmont Avenue
New Haven, CT  06513
203-415-0082


www.pdigliollc.com




________________________________
From: CleanTech Analytics <jeremiah at cleantechanalytics.com>
To: John Aulbach <jra_sac at yahoo.com>
Cc: "equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
Sent: Thu, March 1, 2012 10:08:18 AM
Subject: Re: [Equest-users] Green Roof - eQuest style

John,
I advise you to use a more modern software that has the ability to correctly 
simulate the effects of a Green Roof rather then some wacky eQuest work around. 
Professor David Sailor of Portland State University developed the Green Roof 
object for Energy Plus that uses a a finite difference algorithm and works well. 
The problem with eQuest/DOE2 is that it is based on a conduction transfer 
algorithm, and can not really emulate the effects of a Green Roof. If you need 
the easy to use inputs, I suggest Design Builder to generate the Energy Plus 
file. 

Best of luck, and feel free to ask if you need more about EP/DB..


On Thu, Mar 1, 2012 at 6:04 AM, John Aulbach <jra_sac at yahoo.com> wrote:

OK, my fellow Raiders of the Lost BTU..
>
>What would be your advice for developing a green roof in eQuest? I am sure some 
>of you have gone through the USGBC with hopes of getting this approved.
>
>I eagerly await your suggestions with thanks.
>
>John Aulbach
>Partner Energy
>
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>


-- 

Jeremiah D. Crossett
CleanTech Analytics
503-688-8951
www.cleantechanalytics.com


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