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<p>Sinchote,</p>
<p> From the information provided, it isn't really possible to
definitively say why you are getting high outlet temperatures. It
could be something as simple as there being no flow of liquid
through the collector or that the flow is very small in comparison
to the area of the collector. Both of these situations would
result in high temperatures at the outlet. <br>
</p>
<p><br>
</p>
<p> Please note that TRNSYS is meant in part to help you determine
what happens in a system that is poorly designed or poorly
controlled. It does not do any auto-sizing of system components
that would result in a system that is always "well behaved"</p>
<p><br>
</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 09/24/2018 23:54, Sinchote
Keeratianant via TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:DM5PR15MB1145B6BCE0D95E5A08669512E1160@DM5PR15MB1145.namprd15.prod.outlook.com">
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<p style="margin-top:0;margin-bottom:0">Dear TRNSYS user,</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0"> I'm using evacuated
tube collector (type 71) for simulation. While i'm simulating
i found that the hot water temperature out of evacuated tube
collector has higher than 200 degree Celsius. Actually, the
hot water out off evacuated tube collector should be less than
150 degree Celsius. </p>
<p style="margin-top:0;margin-bottom:0"> How can i solve this
problem? </p>
<p style="margin-top:0;margin-bottom:0"> </p>
<p style="margin-top:0;margin-bottom:0">Thank you.</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
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<p><span style="color:rgb(34,34,34);
font-family:arial,sans-serif; font-size:12.8px">Sinchote
Keeratianant</span></p>
<p><span style="color:rgb(34,34,34);
font-family:arial,sans-serif; font-size:12.8px"><br>
</span></p>
<div style="color:rgb(34,34,34);
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M.Eng Energy&Technology Management Student</div>
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The Joint Graduate School of Energy and Environment
(JGSEE)</div>
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King Mongkut's University of Technology Thonburi </div>
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Prachauthit Rd.,<span style="font-size:12.8px">Tungkru</span></div>
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<span style="font-size:12.8px">Bangkok 10140, </span><span
style="font-size:12.8px">Thailand</span></div>
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
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>
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<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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