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<p>Ilyas,<br>
</p>
<p> Npipes is the number of parallel paths through the radiator.
Please refer to 06-HVACLibraryMathematicalReference.pdf located in
..\TrnsysXX\Tess Models\Documentation for an explanation of how
nPipes affects the model.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 06/04/2018 08:17, Ilyas KHELIFA
KERFAH via TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CWXP265MB0374E484186CD8D8E53F67D0E0670@CWXP265MB0374.GBRP265.PROD.OUTLOOK.COM">
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<div><span style="font-family: "Times New Roman",
Times, serif;">Hello,</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;"><br>
</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;">I'm working on the type 1231 of the TRNSYS
library (radiator model).</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;">However in their parameters, I see Npipes
(Number of pipes in unit).</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;"><br>
</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;">Is it the number of vertical elements in the
radiator or verticlals and horizontals?</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;"><br>
</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;">Thank you.</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;"><br>
</span></div>
<div><span style="font-family: "Times New Roman",
Times, serif;">Regards.</span></div>
<div id="Signature">
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style="color:rgb(0,0,0)">
<div style=""><span style="font-family:"Times New
Roman",Times,serif; font-size:12pt;
line-height:22.72px; background-color:rgb(255,255,255);
color:rgb(0,0,0)">Ilyas.</span></div>
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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>
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