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Martin,<br>
I would highly recommend that if at all possible you use Type534
from the TESS Storage Tank library in place of Type60. Type534 has
an internal heat exchanger model that is far more robust than the
one built in to Type60.<br>
Kind regards,<br>
David<br>
<br>
<br>
<div class="moz-cite-prefix">On 3/27/2015 3:11 PM, Martin Berov
wrote:<br>
</div>
<blockquote
cite="mid:CAJam3+WsmR5+aYih+sda2aJjZtvnxDRDUWkEGpZufFP-qFZ3QQ@mail.gmail.com"
type="cite">
<div dir="ltr">Dear TRNSYS users,
<div><br>
</div>
<div>I'm trying to analyse the influence of the heat exchanger
area on the solar fraction and collector efficiency.</div>
<div><br>
</div>
<div>I'm using storage tank Type 60c with internal HX. Although
I change the area and the length(keeping the outside diameter
constant) I always get same results for the monthly solar
fraction and efficiency - like there is no influence.</div>
<div><br>
</div>
<div>What could be the reason for this? </div>
<div><br>
</div>
<div>Best regards</div>
<div>Martin</div>
</div>
<br>
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<br>
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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
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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