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<p>Hassan,</p>
<p> You are definitely on the right path in using Type56.<br>
</p>
<p>1. PCM</p>
<p>this is perhaps the trickiest one to answer because it depends on
how precisely you want to model this aspect of the system. I am
not aware of a model of parallel tubes that are encapsulated in
PCM sleeves or in a PCM layer. However, there are three PCM models
available that you might look into to determine whether they are a
reasonable approximation. <br>
</p>
<p>The first is a PCM model that is offered for free on user
contributed Type library called TRNLib
(<a class="moz-txt-link-freetext" href="https://sel.me.wisc.edu/trnsys/trnlib/library16.htm#thermalstorage">https://sel.me.wisc.edu/trnsys/trnlib/library16.htm#thermalstorage</a>).
If you are using Trnsys18 then you'll need to recompile the code
into a 64-bit dll. Fortunately you can use the TypeStudio to do
so. I believe that this model assumes the PCM to be a layer on the
surface of one of the building walls (or ceilings or floors). <br>
</p>
<p>The second is a simple PCM model that is available for purchase
(<a class="moz-txt-link-freetext" href="http://www.trnsys.com/tess-libraries/individual-components.php.html">http://www.trnsys.com/tess-libraries/individual-components.php.html</a>).
The model assumes the PCM layer to be embedded in a building
surface.</p>
<p>The third is a PCM model written by Transsolar
(<a class="moz-txt-link-freetext" href="https://www.trnsys.de/docs/komponenten/komponenten_ts_en.htm">https://www.trnsys.de/docs/komponenten/komponenten_ts_en.htm</a>). I
am afraid I know the least about this model<br>
</p>
<p>2. Refrigeration monoblock system</p>
<p>I would look at using a component from the TESS HVAC library for
this (probably the split system air conditioner). It is a
performance map component so if you can get some information from
the manufacturer of a monoblock system, you can probably adapt
that to the Type's performance map data file format.<br>
</p>
<p>3. Food (vegetables and fruits), product load and respiration</p>
<p>Type963 in the TESS Loads and Structures library might be a good
starting point. It models a lumped thermal capacitance that we
have used as a generic frozen or cold product in the past. The
model does not account for moisture however, so if moisture loss
from the product is a factor in your analysis then the model might
need to be expanded. If you are aware of algorithms that are
commonly used to model both product load and respiration, I'd be
interested in knowing about them as we are always looking for ways
to expand the libraries.<br>
</p>
<p>4. PV solar panel, charge controller, battery, inverter.<br>
</p>
<p> The standard TRNSYS library should have the components that you
need for this aspect of the system. Have a look in the Electrical
folder.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 06/17/2020 08:12, Hassan Mroue via
TRNSYS-users wrote:<br>
</div>
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<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I started to model a PV solar-powered
refrigeration system used for food transportation. The cold
room is also integrated with PCM encapsulated tubes installed
to the ceiling.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">For now, I constructed the cold room using
TRNBuild TYPE 56.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Which TRNSYS TYPE corresponds to the
followings:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ol style="margin-top:0cm" type="1" start="1">
<li class="MsoListParagraph"
style="margin-left:0cm;mso-list:l0 level1 lfo1">PCM<o:p></o:p></li>
<li class="MsoListParagraph"
style="margin-left:0cm;mso-list:l0 level1 lfo1">Refrigeration
monoblock system<o:p></o:p></li>
<li class="MsoListParagraph"
style="margin-left:0cm;mso-list:l0 level1 lfo1">Food
(vegetables and fruits), product load and respiration<o:p></o:p></li>
<li class="MsoListParagraph"
style="margin-left:0cm;mso-list:l0 level1 lfo1">PV solar
panel, charge controller, battery, inverter.<o:p></o:p></li>
</ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any help will be much appreciated.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Many thanks,<o:p></o:p></p>
<p class="MsoNormal">Hassan<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<br>
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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
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<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
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