[Bldg-sim] Modelling UFAD for LEED

Christopher Schaffner chris at greenengineer.com
Wed Oct 12 10:40:07 PDT 2011


That is the preferred way to do it for LEED.

--

Chris Schaffner, PE
LEED Fellow
Founder and Principal

The Green Engineer, LLP
Sustainable Design Consulting
50 Beharrell Street
Concord, MA 01742
T: 978.369.8978
M:978.844.1464
chris at greenengineer.com
www.greenengineer.com

The Green Engineer, LLP is a Certified B Corporation

From:  jai yadav <jaivardhany at yahoo.com>
Reply-To:  jai yadav <jaivardhany at yahoo.com>
Date:  Wed, 12 Oct 2011 18:05:31 +0530 (IST)
To:  "bldg-sim at lists.onebuilding.org" <bldg-sim at lists.onebuilding.org>
Subject:  [Bldg-sim] Modelling UFAD for LEED

Dear Energy Simulators
 
I have to model Under Floor Air Distribution (UFAD) for one of LEED
projects. I went through the document at the link
http://www.energydesignresources.com/media/2654/EDR_DesignGuidelines_%20HVAC
_Simulation.pdf to model UFAD in eQUEST. The major assumption in this method
to model UFAD is to create a plenum zone, to model the effect of a thermally
stratified zone above the occupied zone, and transfer a fraction of People
(25%), Lighting (33%) and Equipment (33%) loads in that zone.
 
Is this method to model UFAD acceptable for simulations carried out to show
LEED compliance? Has anyone else used this method before? Or is there any
other method to model UFAD?
 
Your comments would be highly appreciated. Thanks in advance.
 
Regards
Ethen
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