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RE: Ground temperature

Dear Helmi,
The Kusuda equation is described in one of the theses available for download
on the SEL website:

Rottmayer, S. P., (M.S., 1997), "Simulation of Ground Coupled Vertical
U-Tube Heat Exchangers."

(http://sel.me.wisc.edu/Publications/Theses/theses2.html)

Regards,

Michaël Kummert

_________________________________________________________

Michaël Kummert

Solar Energy Laboratory - University of Wisconsin-Madison
1303 Engr Res Bldg, 1500 Engineering Drive
Madison, WI 53706

Tel: +1 (608) 263-1589
Fax: +1 (608) 262-8464
E-mail: kummert@engr.wisc.edu

SEL Web Site: http://sel.me.wisc.edu 
TRNSYS Web Site: http://sel.me.wisc.edu/trnsys


-----Original Message-----
From: owner-trnsys@relay.doit.wisc.edu
[mailto:owner-trnsys@relay.doit.wisc.edu] On Behalf Of helmi
Sent: Monday, May 19, 2003 11:07
To: trnsys@relay.doit.wisc.edu
Subject: Ground temperature


Hi Trnsys users
I’m working on the simulation of a building with the type 56.
The floor must be characterized to be a boundary wall, and the boundary
condition must be the ground temperature. First I take it constant to 14 in
winter and 20°C in summer. And now I’m thinking to use the Kusuda model to
calculate it and to give a monthly value to Trnsys.
Can you give me the exact formulation of the Kusuda equation and the
definition of each term with units?
Thank you in advance,
Best regards.




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