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<p><span lang="EN-US">Ali,</span></p>
<p><span lang="EN-US"> I would recommend sending this one to your
supplier's tech support hotline. When you do, please include the
project and an indication of what the error message says. I'll
send you a second email with the contact info of who you should
send the question to since I have a pretty good idea who your
supplier is... :-)<br>
</span></p>
<p><span lang="EN-US">kind regards,</span></p>
<p><span lang="EN-US"> David</span></p>
<p><span lang="EN-US"><br>
</span></p>
<div class="moz-cite-prefix">On 08/30/2021 15:21, Ali Shahrouzian
via TRNSYS-users wrote:<br>
</div>
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<p class="MsoNormal"><span lang="EN-US">Dear TRNSYS users,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am modelling a thermal
energy storage system by using the Type 10 as thermal
storage. As you know, the Type 10 can be charged
</span>by running hot air from the top to the bottom and
discharged by running cold air from the bottom to the top of
the bed<span lang="EN-US">.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In my simulation, I am
going to first charge the Type 10 and following which
discharge it. To this end, My initial temperature for the
bed was 10 and with the aid of a fan, I set an entrance mass
flow rate of 100 kg/hr and temperature of 80 degrees Celsius
for the bed.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In addition to this, I
determine a controller in such way when the average
temperature of the bed reaches 70 C (during charging
process), it turns off the fan and sets the flow rate in the
opposite direction to 100 for discharging process.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">However, it appears an
error message when the discharging process attempts to
begin.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I would appreciate it if
anyone could assist me in this case.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Ali<o:p></o:p></span></p>
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<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
</blockquote>
<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
<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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