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<p class="MsoNormal">Hi Amin,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When you link Type 399 to Type 56:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If the surface 1 is facing “the air node”, then TB1 = Tstar (= NType 23: star node temperature of the zone)<o:p></o:p></p>
<p class="MsoNormal">If the surface is facing outside, then TB1 = ambient air temperature<o:p></o:p></p>
<p class="MsoNormal">If the surface is facing “user-defined boundary condition”, then TB1 = boundary temperature as defined in Type56<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><b><span lang="EN-AU" style="font-size:10.0pt;color:#002060"><o:p> </o:p></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><b><span lang="EN-AU" style="font-size:10.0pt;color:#002060">Regards,<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><b><span lang="EN-AU" style="font-size:10.0pt;color:#002060">Seyedmostafa Mousavi<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-AU" style="font-size:10.0pt;color:#002060">Renewable Energy and Energy Efficiency Group<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-AU" style="font-size:10.0pt;color:#002060">The University of Melbourne, Australia</span><span lang="EN-AU">
</span><span lang="EN-AU" style="font-size:10.0pt;color:#002060"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> TRNSYS-users <trnsys-users-bounces@lists.onebuilding.org>
<b>On Behalf Of </b>Amin HADDAD via TRNSYS-users<br>
<b>Sent:</b> Sunday, 6 June 2021 4:17 AM<br>
<b>To:</b> TRNSYS users mailing list at OneBuilding.org <trnsys-users@lists.onebuilding.org><br>
<b>Cc:</b> Amin HADDAD <itshaddad1@gmail.com><br>
<b>Subject:</b> [TRNSYS-users] PCM surface temperatures insignificant balance results<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hello TRNSYS users,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am using type 399 for coupling phase change materials with multizone type 56. And there are many unclear things about it (for me ):<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Is it correct to use Tstar_node as an output from type 56 and link it as an input of temperature for both surfaces Tsurface 1 and Tsurface 2 of the PCM type 399 ?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'll be grateful for any help you can provide <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thank you<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Amin <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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