[Equest-users] Earth Air Heat Exchanger (EAHX, EAHE) - simulation results import to eQuest?

Blue, Thomas S Mr CTR USA IMCOM thomas.s.blue at us.army.mil
Mon Mar 30 09:01:44 PDT 2009


We are trying to model an earth air heat exchanger (EAHX) applied to a
small office building in eQuest. A simplified ventilation system
schematic is below.


              -----------------------------------------------------
              |                                                   ^
              V                                                   |
Inlet->Fan->AAHX->Diverter->EAHX->Diverter->Heater->Dehum->Office--
              |      |                ^
              V      V                |
            Grill    ------------------
              |
              V
            Outlet


Q: 745 cfm (continuous air flow)          A: 1668 sf (building gross
area)
V: 15012 cf (building gross volume)       E: 3/hr (average air changes)


The EAHX has been modeled for a year span with both a spreadsheet and
GAEA. I have searched the bldg-sim listserv and equest-users archives on
modeling EAHXs in eQuest and read the posts I found. One post from Demba
Ndiaye to Neeraj Kapoor (Mon Jun 23 06:17:09 PDT 2008) stated; "I
recently modeled a ground-to-air heat exchanger using GAEA. You can
download a free trial version at WWW: http://nesa1.uni-siegen.de/. You
can import back the results into eQuest."

My question is: How do I import the EAHX simulation results into eQuest?

We have a working knowledge of eQuest and can comfortably run basic
scenarios, but are not experienced users.

Thanks!

--

Thomas S Blue PE PLS

Fort Bragg Sustainable Facilities Planner

Building 3-1634 Butner Road Fort Bragg NC 28310

910-396-7523 / thomas.s.blue at us.army.mil


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