[Equest-users] Add-On Desiccant for simulating passivedehumidification wheel?

[Kathryn Kerns]

I remember talking to James Hirsch about the desiccant pre-conditioner
software and he warned me that the software was never officially
verified as functional for all design conditions. I steered clear of
those subprograms after that and started experimenting with adding two
DOAs in series to simulate dehumidification control. I don't know if
that solution is really any better, but it seemed to work, and at least
used subprograms I was sure functioned.

 

________________________________

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Bishop,
Bill
Sent: Friday, December 13, 2013 8:38 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Add-On Desiccant for simulating
passivedehumidification wheel?

 

Any thoughts on using a System -> Preconditioner -> Add-On Desiccant for
modeling a passive dehumidification wheel in the configuration shown
below?

It would be a workaround. One problem I see is the Add-On Desiccant
doesn't interact with the return air. You would have to derate the total
energy wheel somehow, such as by reducing the effectiveness or
decreasing the exhaust airflow.

 

 

Thanks,

Bill

 

William Bishop, PE, BEMP, BEAP, LEED AP | Pathfinder Engineers &
Architects LLP

Senior Energy Engineer

 

 

134 South Fitzhugh Street                 Rochester, NY 14608

T: (585) 325-6004 Ext. 114            F: (585) 325-6005

bbishop at pathfinder-ea.com <mailto:wbishop at pathfinder-ea.com>            
www.pathfinder-ea.com <http://www.pathfinder-ea.com/> 

P   Sustainability - the forest AND the trees. P       

 

 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/attachments/20131213/9d5582e3/attachment-0002.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/jpeg
Size: 16989 bytes
Desc: image001.jpg
URL: <http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/attachments/20131213/9d5582e3/attachment-0004.jpeg>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/jpeg
Size: 3124 bytes
Desc: image002.jpg
URL: <http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/attachments/20131213/9d5582e3/attachment-0005.jpeg>