[TRNSYS-users] Heat Exchanger with Constant Effectiveness

Jeff Thornton thornton at tess-inc.com
Thu Jun 12 06:03:41 PDT 2008


> Jeff is right. You shouldn't be using a regular heat exchanger
> model to model a canadian well. The DST model is also
> excellent to model vertical ground heat exchangers.
> However, I don't think it will help you as most
> often canadian wells are placed horizontally and form
> so called "earth-tubes".  If that is the case then
> you may want to look at the air-to-soil heat exchanger
> (type 460) from TRANSSOLAR.

My apologies.  I've always thought that the term "Canadian well" meant a
vertical closed loop ground heat exchanger.  If it's a horizontal
air-based system then Michel's recommendation of Type 460 is excellent. 
If it's a horizontal liquid-based system, then we have a new horizontal
ground heat exchanger model that is available that will likely meet your
needs.  Let me know your interpretation of "Canadian well".  Thanks!

Jeff


Jeff Thornton
President - TESS, LLC

2916 Marketplace Drive - Suite 104
Madison WI 53719 USA

Phone: 608-274-2577
Fax: 608-278-1475
E-mail: thornton at tess-inc.com
Web: www.tess-inc.com




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