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minor-latin">Benoît,<o:p></o:p></span></p>
I have used Transsolar's Type460 a number of times. I have the
feeling that it over predicts cooling a bit but it has plenty of
parameters that you can play with to tune the model. I have only run
into "puits canadien" in a vertical orientation and I have only used
Type460 for horizontal, parallel earth ducts
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</style>. You might also contact a company called Rehau; they
manufacture and market a high thermal conductivity plastic pipe that
is often used in ground heat exchangers (both air and water) and
they have a performance prediction tool that they use internally.
Their performance estimates might be a help in tuning Type460.<br>
Kind regards,<br>
David<br>
<br>
<br>
On 4/6/2012 02:37, <a class="moz-txt-link-abbreviated" href="mailto:benoit.cogne@aximaseitha-gdfsuez.com">benoit.cogne@aximaseitha-gdfsuez.com</a> wrote:
<blockquote
cite="mid:534248A0F4B6004586A266DB5E880D470BEBE7AE8E@xs203441.MELINDA.LOCAL"
type="cite">
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<div><font face="Arial" size="2"><span class="586463107-06042012">Dear
Trnsys users,</span></font></div>
<div><font face="Arial" size="2"><span class="586463107-06042012"></span></font> </div>
<div><font face="Arial" size="2"><span class="586463107-06042012">We
are looking for a solution to model multiple horizontal "air
based earth" ducts (in french "puits canadien")</span></font></div>
<div><font face="Arial" size="2"><span class="586463107-06042012"></span></font> </div>
<div><font face="Arial" size="2"><span class="586463107-06042012">Does
any one have a good idea ?</span></font></div>
<div><font face="Arial" size="2"><span class="586463107-06042012"></span></font> </div>
<div><font face="Arial" size="2"><span class="586463107-06042012">Best
regards</span></font></div>
<div class="Section1">
<div>
<p><b><span style="FONT-FAMILY: Arial; COLOR: gray; FONT-SIZE:
10pt">Benoît COGNE</span></b><span style="FONT-FAMILY:
Arial; COLOR: gray; FONT-SIZE: 10pt"> <br>
Responsable Cellule Efficacité Energétique et
Environnementale</span><span style="FONT-FAMILY: Arial;
COLOR: gray; FONT-SIZE: 10pt"> <br>
___________________________________________________ <br>
<br>
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v:shapes="_x0000_i1025" height="59" width="176"><br>
<b><br>
<strong><span style="FONT-FAMILY: Arial">Direction
Commerciale</span></strong></b> <strong>- Pôle
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
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