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<p class="MsoNormal">Dear Karol,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I assume there is a misunderstanding of NTYPE 8 (DQAIR) (see 05-MultizoneBuilding.pdf)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">NType 8 is the sensible change in internal energy of air in airnode
<b><span style="color:#0070C0">since the beginning of the simulation</span></b>.<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">Therefore, instead of using NType8(at time = current timestep) you need to use the following term:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> NType8(at time = current timestep) - NType8(at time = previous timestep).<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">If you look at your xls SUM is always “equal” to –</span><span lang="EN-US"> (</span><span lang="EN-US">dtC_dtau ) of the previous line.<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">Best,<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">Marion<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE">Transsolar Software Team<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#4472C4;mso-fareast-language:DE">hotline@transsolar.com</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE">Transsolar
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE">Stuttgart | Munich | Paris | New York<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE">Transsolar Energietechnik GmbH | Curiestrasse 2 | 70563 Stuttgart | Germany<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE">CEO: Matthias Schuler, Thomas Auer, Stefan Holst, Dieter Schnelle
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE">Registered at Amtsgericht Stuttgart HRB 23347 | USt-IdNr.: DE 152272639<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"><o:p> </o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="mso-fareast-language:DE">Von:</span></b><span style="mso-fareast-language:DE"> TRNSYS-users <trnsys-users-bounces@lists.onebuilding.org>
<b>Im Auftrag von </b>karol.bandurski--- via TRNSYS-users<br>
<b>Gesendet:</b> Montag, 30. Mai 2022 10:09<br>
<b>An:</b> trnsys-users@lists.onebuilding.org<br>
<b>Cc:</b> karol.bandurski@put.poznan.pl<br>
<b>Betreff:</b> [TRNSYS-users] energy balance of air in zone<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Dear All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have generated thermal balance of air in zone, I use for it:<o:p></o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">QCSURF, NTYPE3 (convection from surfaces),<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">QGCONV, NTYPE 7 (convection internal heat gains),<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">QINF, NTYPE 4 (infiltration),<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">QVENT+QCOUP, NTYPE5+ NTYPE6 (ventilation form system and other rooms),<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">-QSENS-QRHEAT, - NTYPE2- NTYPE 78 or QHEAT-QCOOL-QRHEAT, NTYPE30- NTYPE31- NTYPE78 (heating and cooling system without radiation part),<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">DQAIR, NTYPE 8 (change of air internal energy).<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But the balance is not equal zero (enclosed).<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 be grateful for any tips.<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">Best,<br>
Karol<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">---------------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">Karol BANDURSKI Ph.D, Assistant Professor
<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN" style="color:black;mso-fareast-language:PL">Faculty of Environmental and Energy Engineering
</span><span lang="EN" style="mso-fareast-language:PL"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">Division of Heating, Air Conditioning and Air Protection
<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">Poznan University of Technology<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PL" style="mso-fareast-language:PL"><a href="https://www.researchgate.net/profile/Karol_Bandurski"><span lang="EN-US" style="color:blue">https://www.researchgate.net/profile/Karol_Bandurski</span></a></span><span lang="EN-US" style="mso-fareast-language:PL"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PL" style="mso-fareast-language:PL">***<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="PL" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">dr inż. Karol BANDURSKI, Adiunkt</span><span lang="PL" style="mso-fareast-language:PL"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PL" style="mso-fareast-language:PL">Wydział Inżynierii Środowiska i Energetyki<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PL" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">Zakład Ogrzewnictwa, Klimatyzacji i Ochrony Powietrza<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL">Politechnika Poznańska</span><span lang="EN-US" style="mso-fareast-language:PL"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PL"><o:p> </o:p></span></p>
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