[BLDG-SIM] Ground Temperatures Output in eQuest

Xiaobing Liu XLiu at climatemaster.com
Fri Sep 14 08:22:44 PDT 2007


Maurice:
 
Before eQUEST version 3.61e is released, to view the hourly leaving temperature of the ground loop heat exchanger (GLHX), you have to create a hourly report and specify the GLHX outlet temperature as the reported variable. After specifying the hourly report and run the simulation, you will see the GLHX leaving temperature reported hour by hour at the end (or before the Economic reports) of the SIM file.
 
In eQUEST version 3.61e, there is a section in the PS-H report that summarizes the temperature of GLHX on a monthly basis. This report gives counts on hours when the GLHE (leaving) temperature is within each of the 12 temperature bins from less than 20F up to higher than 120F. The hour counts are reported for cooling and heating mode, respectively. A yearly summary of the maximum and minimum GLHE temperature in both heating and cooling modes is also given at the end of the section. In addition, flow rate and velocity in the U-tube, borehole thermal resistance, and the head loss over the GLHE (it is still a constant at current version) are reported at the beginning of the section. 
 
It appears that eQUEST 3.61e has not been formally released yet, but a beta version is available in the eQUEST download area ( http://doe2.com/download/equest/).
 
Hope it helps,
 
Xiaobing

-----Original Message-----
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com]On Behalf Of Maurice Safatly
Sent: Friday, September 14, 2007 9:26 AM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] Ground Temperatures Output in eQuest


Hi ALL,

After running the simulation in eQuest, and checking hte SIM output file,
does anyone know which report has the monthly underground temperatures for
each year of operation?

 
Thank you for your assistance
 
Maurice Safatly, P.Eng
Energy Engineer
High Performance Energy Systems Inc.




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