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<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. (http://lists.onebuilding.org/pipermail/trnsys-users-onebuilding.org/2018-November/030610.html)<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>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><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></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><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></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">QTABSI (which I assumed to be the total radiation transmitted to the airnode)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><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></p>
<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 style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#17428C;mso-fareast-language:FR">Saint-Gobain Research Compiègne</span></b><span 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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