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<p class="MsoNormal"><span lang="EN-US">Dear Camille,<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">Every energy balance has a boundary.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The boundary of the energy balance 4 is the inside surface of walls, floors, ceilings/roofs and windows.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The Energy balance 4 doesn’t include the constructions themselves!!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:DE">In other words, B4_QTRANS is the energy that leaves/enters a thermal zone by
</span><span lang="EN-US">conduction into/out of the construction of the </span><span lang="EN-US" style="mso-fareast-language:DE">side of
</span><span lang="EN-US">walls, floors, ceilings/roofs and windows facing the zone.<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 regards,<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>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#005A00;mso-fareast-language:DE-CH">-----------------------------------------------------------------------------------------------------------------------------------------------------------</span></b><span lang="EN-US" style="mso-fareast-language:DE-CH">
<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="DE-CH" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#005A00;mso-fareast-language:DE-CH">Dipl.-Ing. Marion Hiller </span></b><b><span lang="DE-CH" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#009900;mso-fareast-language:DE-CH"><br>
</span></b><b><span lang="DE-CH" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#007000;mso-fareast-language:DE-CH">TRANSSOLAR Energietechnik GmbH </span></b><span lang="DE-CH" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:blue;mso-fareast-language:DE-CH"><br>
</span><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#005A00;mso-fareast-language:DE-CH">Stuttgart - Munich - New York - Paris
</span></b><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#007000;mso-fareast-language:DE-CH"> <o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#007000;mso-fareast-language:DE-CH">t:
<a href="tel:%2B49.711.67976.27" target="_blank"><span style="color:#007000">+49.711.67976.0</span></a> f:
<a href="tel:%2B49.711.67976.11" target="_blank"><span style="color:#007000">+49.711.67976.11</span></a></span></b><span style="font-size:13.5pt;font-family:"Helvetica",sans-serif;color:#007000;mso-fareast-language:DE-CH"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#0070C0;mso-fareast-language:DE-CH"><a href="http://www.transsolar.com/" target="_blank"><span style="color:#0070C0">www.transsolar.com/</span></a></span></b><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#005A00;mso-fareast-language:DE-CH"> <br>
<br>
</span></b><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;mso-fareast-language:DE-CH">KlimaEngineering - Technologien für energieeffizientes Bauen und Nutzerkomfort in Gebäuden <span style="color:#005A00"><br>
</span>Transsolar Energietechnik GmbH, Curiestrasse 2, 70563 Stuttgart <o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;mso-fareast-language:DE-CH">Amtsgericht Stuttgart - HRB 23347</span></b><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;mso-fareast-language:DE-CH">
/ Steuernummer: 99073/00911 / USt-IdNr.: DE 152272639</span></b><b><span lang="DE-CH" style="font-size:7.5pt;font-family:"Arial",sans-serif;mso-fareast-language:DE-CH"><br>
Geschäftsführer: Matthias Schuler, Thomas Auer, Stefan Holst, Dieter Schnelle </span></b><span style="font-size:13.5pt;font-family:"Helvetica",sans-serif;mso-fareast-language:DE-CH"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></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>BERNARD Camille via TRNSYS-users<br>
<b>Gesendet:</b> Donnerstag, 21. Februar 2019 09:05<br>
<b>An:</b> trnsys-users@lists.onebuilding.org<br>
<b>Cc:</b> BERNARD Camille <camille.bernard@etamine.coop><br>
<b>Betreff:</b> [TRNSYS-users] B4_QTRANS<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="FR">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I model a typical office building : one intermediate level of a tower.<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">In order to understand the energy balance, I have looked at each variable of balance 4.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have difficulties to understand QTRANS, and the explanation in the documentation is quite vague :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Balance 4 is a “balance for zones” : results are given by zone.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">QTRANS is described as : “</span><span class="fontstyle01"><span lang="EN-US" style="font-size:10.0pt">transmission into the surface from inner surface node (might be stored in the wall, going to a slab cooling or directly
transmitted)</span></span><span lang="EN-US">“ : it refers to surface and not to zone…<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">Do you know what does it represent and how it is calculated ?<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">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="FR" style="font-size:10.5pt;font-family:"Tahoma",sans-serif;mso-fareast-language:FR">Camille Bernard</span></b><span lang="FR" style="font-size:10.5pt;font-family:"Tahoma",sans-serif;mso-fareast-language:FR">
| Chargée d'études<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="border:solid windowtext 1.0pt;padding:0cm;mso-fareast-language:FR"><img border="0" width="260" height="75" style="width:2.7083in;height:.7812in" id="_x0000_i1025" src="cid:image001.jpg@01D4CDC9.230C3470" alt="Das Bild wurde vom Absender entfernt. Etamine"></span><span lang="FR" style="mso-fareast-language:FR"><br>
</span><span lang="FR" style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#666666;mso-fareast-language:FR">----------------------------------------------</span><span lang="FR" style="mso-fareast-language:FR"><br>
<a href="http://www.etamine.coop/"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#257E34;text-decoration:none">www.etamine.coop</span></a><br>
</span><span lang="FR" style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#666666;mso-fareast-language:FR">83-85 boulevard Vincent Auriol – 75013 Paris</span><span lang="FR" style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;mso-fareast-language:FR">mobile : 07.63.45.95.01</span><span lang="FR" style="mso-fareast-language:FR"><br>
</span><span lang="FR" style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;mso-fareast-language:FR">camille.bernard@etamine.coop</span><span lang="FR" style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR"><o:p> </o:p></span></p>
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