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<p class="MsoNormal">Dear Wirich Freppel,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I wonder if this question is still open.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For an external window the incident total radiation has definitely to be less than the transmitted one and I’m sure that this is the case.<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" style="color:#0070C0">According to the results, at day time, so when there is solar radiation, Total tilted surface is below the others.<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">At which output are you looking for</span><span lang="EN-US"> “</span><span lang="EN-US">Total tilted surface” ? Note: The comparison
</span><span lang="EN-US">“</span><span lang="EN-US">Total tilted surface” to “QSOLTR” makes sense if the zone has on external window only!!! (QSOLTR is for all windows of a zone!)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l1 level1 lfo3"><span lang="EN-US">If you have one window only you even can calculate back from QSOLTR the split between direct and diffuse radiation by an equation because the solar diffuse transmittance
is time independent. This solar diffuse transmittance is given by the glazing definition.<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">I have the feeling that an output QSOLTR as a surface output might be helpful in the futur.<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">Kind 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>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<div>
<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>Freppel, Wirich via TRNSYS-users<br>
<b>Gesendet:</b> Freitag, 7. Februar 2020 10:09<br>
<b>An:</b> TRNSYS USERS (trnsys-users@lists.onebuilding.org) <trnsys-users@lists.onebuilding.org><br>
<b>Cc:</b> Freppel, Wirich <Wirich.Freppel@saint-gobain.com><br>
<b>Betreff:</b> [TRNSYS-users] direct and diffuse solar radiation through glazing<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 TRNsys users,<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 apologize in advance as this subject was already discussed one year ago, but I think some more explanation could help me to go further in my study. (<a href="http://lists.onebuilding.org/pipermail/trnsys-users-onebuilding.org/2018-November/030610.html">http://lists.onebuilding.org/pipermail/trnsys-users-onebuilding.org/2018-November/030610.html</a>)<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’m trying to calculate the Effective Radiant Field of an occupant, based on TRNsys outputs. To complete the calculation, I need the total diffuse solar radiation entering the airnode through glazing, as well as the total
direct radiation. Not being sure of what output I should choose, I compared :<o:p></o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">Total tilted surface radiation (which I assumed to be the total direct and diffuse solar radiation arriving on the window)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">QSOLTR (which I assumed to be the total shortwave solar radiation transmitted through the window to the airnode)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">QTABSI (which I assumed to be the total radiation transmitted to the airnode)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-US">QTSGL (which I assumed to be the total solar radiation passing from outside surface of the window to the airnode)<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">According to the results, at day time, so when there is solar radiation, Total tilted surface is below the others. So it means, according to what I see, that solar radiation is bigger after going through the window. After
those results, it’s difficult to say I understood well what I am doing…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Could you help me to understand those outputs and advise me on the output to choose for “total diffuse solar radiation entering the airnode” and “total direct solar radiation entering the airnode”?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Marion mentioned to use “QSOLTR-QTSOUT”. That would be ok for me, but why is QSOLTR bigger than total tilted surface radiation?<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">Again, I’m really sorry for digging out that topic again but I do think my interpretation is very bad at the moment.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you in advance for your help.<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" style="line-height:115%;text-autospace:none"><b><span lang="EN-US" style="font-size:9.0pt;line-height:115%;font-family:"Arial",sans-serif;color:#17428C;mso-fareast-language:FR">Wirich FREPPEL</span></b><span lang="EN-US" style="font-size:8.0pt;line-height:115%;font-family:"Arial",sans-serif;color:#17428C;mso-fareast-language:FR"><br>
</span><span lang="EN-US" style="font-size:9.0pt;line-height:115%;font-family:"Arial",sans-serif;color:#0D4D95;mso-fareast-language:FR">Development engineer, PhD<o:p></o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0D4D95;mso-fareast-language:FR">COSMOS -
</span></i><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0D4D95;mso-fareast-language:FR">Buildings Energy Performance & Daylighting Group</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#17428C;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:9.0pt;mso-line-height-rule:exactly;text-autospace:none">
<span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#17428C;mso-fareast-language:FR">Cell: +33 637 053 174<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><b><span lang="FR" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#17428C;mso-fareast-language:FR">Saint-Gobain Research Compiègne</span></b><span lang="FR" style="font-size:9.0pt;mso-fareast-language:FR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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