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<p class="MsoNormal"><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:DE">Dear Arnaud,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:DE">TRNFlow is calculating air flows. Heat flows in between zones resulting from theses air flows will given to the thermal model via couplings (QCOUP),
heat flows from or to the outside will be accounted as infiltration QINF.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:DE">Best<br>
Jakob<o:p></o:p></span></p>
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<p class="MsoNormal"><i><span lang="DE" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">__________________________________________________________________________________________________<o:p></o:p></span></i></p>
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<p class="MsoNormal"><i><span lang="DE" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black">Jakob Merk M.Sc.<o:p></o:p></span></i></p>
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<p class="MsoNormal"><b><span lang="DE" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black">Transsolar Energietechnik GmbH<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span lang="DE" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black">Geschäftsführer :Diplom-Ingenieur Matthias Schuler, Diplom-Ingenieur Thomas Auer, Diplom-Physiker Stefan Holst, Diplom-Betriebswirt Dieter Schnelle<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> TRNSYS-users [mailto:trnsys-users-bounces@lists.onebuilding.org]
<b>Im Auftrag von </b>Arnaud Candaele via TRNSYS-users<br>
<b>Gesendet:</b> 03 August 2017 12:51<br>
<b>An:</b> trnsys-users@cae.wisc.edu<br>
<b>Betreff:</b> [TRNSYS-users] Balance outputs<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hello,<o:p></o:p></p>
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<p class="MsoNormal">I am simulating a building in TRNSYS, and looking at balance outputs for 2 zones.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">For these 2 zones, I have no infiltration specified ("off"), no ventilation, and no coupling.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I output all the balances "B4". I am quite surprised to see that I got (largely, order of magnitude 1E+04) non-zero values for indicators like B4_QINF and B4_QCOUP (so infiltration and coupling) for these zones.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I do have TRNFLOW being used in these zones.<o:p></o:p></p>
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<p class="MsoNormal">My questions are:<o:p></o:p></p>
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<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;mso-list:l0 level1 lfo1">
Is it normal to get non-zero values if no infiltration or coupling is defined there??<o:p></o:p></li></ul>
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<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;mso-list:l0 level2 lfo1">
Can it come from TRNFLOW ??<o:p></o:p></li></ul>
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<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;mso-list:l0 level1 lfo1">
About TRNFLOW related gains in this balance, if they're not linked to B4_QINF or B4_QCOUP, are they all included in B4_DQAIRdt, which is the increase/decrease of stored energy in the rooms?<o:p></o:p></li></ul>
<p>Note that the global balance is ok (~E-11). I use TRNSYS 17.<o:p></o:p></p>
<p>Thanks for any help!<o:p></o:p></p>
<p>Arnaud.<o:p></o:p></p>
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