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<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US">Karol,</span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US"> </span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US">This equation isn’t correct!</span></p>
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<span lang="en-US"> </span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US">The absorbed solar radiation on the inside of opaque surfaces of a zone are</span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US">Qabsi_opq = </span><span style="color:#1F497D;" lang="en-US">QTSABS – QSEC =
</span><span lang="en-US">QSOLTR – QTSOUT – Qabsi_win_out</span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span style="color:#1F497D;" lang="en-US"> </span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span style="color:#1F497D;" lang="en-US">with </span></p>
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<span lang="en-US">Qabsi_win_out … </span><span lang="en-US">is solar radiation absorbed by windows (panes, frame and internal shading devices) when radiation is incident from inside.</span><span lang="en-US"></span></p>
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<span lang="en-US"> </span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US">In your example, QTSOUT is relative small compared to QSEC. This means that not much radiation is leaving the zone. Then QTSABS is larger than QSOLTR because solar radiation is mainly absorbed when it is incident from outside.</span></p>
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<span lang="en-US"></span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US">I have the feeling that you didn’t get the definition of QSEC correctly:
</span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px 0px 0px 36pt;">
<span lang="en-US">the secondary heat flux of windows (panes, frame and internal shading devices) ( = QSEC, NType 56).<br>
In this case the secondary heat flux is the part of solar radiation that is absorbed solar radiation (incident from outside and inside) by the windows <br>
and going inside to the airnode as radiative and convective gain.</span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span lang="en-US"> </span></p>
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<span lang="en-US"> </span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span style="color:#1F497D;" lang="en-US">I encourage you to look at certain time step at the numbers for a zone (A10) with the select outputs of Balance 1 (starting from NTYPE 910).</span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span style="color:#1F497D;" lang="en-US">Balance 1 provides an good overview where radiation goes.</span></p>
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<span style="color:#1F497D;" lang="en-US"> </span></p>
<p style="font-size: 11pt; font-family: Calibri, sans-serif, serif, "EmojiFont"; margin: 0px;">
<span style="color:#1F497D;" lang="en-US">Marion</span></p>
<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Von:</b> Karol Bandurski <karol.bandurski@put.poznan.pl><br>
<b>Gesendet:</b> Donnerstag, 29. November 2018 17:41:23<br>
<b>An:</b> hotline; 'TRNSYS users mailing list at OneBuilding.org'<br>
<b>Betreff:</b> RE: [TRNSYS-users] QTSABS vs QSOLTR</font>
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<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">Dear Marion,</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">So, if I understand, in my case (lack of internal shading), QSOLTR should be bigger than QTSABS because it includes also QTSOUT and radiation that is absorbed by windows but then transferred by
convection to outside:</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">QSOLTR=QTSABS+QTSOUT+radiation absorbed by windows and then transferred by convection to outside.</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">If I am right:</span></p>
<p class="x_MsoListParagraph" style="text-indent:-18.0pt"><span lang="EN-US" style="color:#1F497D"><span style="">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US" style="color:#1F497D">Way QSOLTR < QTSABS in my case?</span></p>
<p class="x_MsoListParagraph" style="text-indent:-18.0pt"><span lang="EN-US" style="color:#1F497D"><span style="">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US" style="color:#1F497D">Solar gain is QTSABS because it represents solar radiation that is captured inside zone while QSOLTR include also QSTOUT and radiation absorbed by windows and then transferred by convection to outside.</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">I would be grateful for more clarification!</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">Kind regards,<br>
Karol</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
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<p class="x_MsoNormal"><b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> hotline [mailto:hotline@Transsolar.com]
<br>
<b>Sent:</b> Thursday, November 29, 2018 2:30 PM<br>
<b>To:</b> Karol Bandurski; 'TRNSYS users mailing list at OneBuilding.org'<br>
<b>Subject:</b> AW: [TRNSYS-users] QTSABS vs QSOLTR</span></p>
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<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal"><span lang="EN-US">Dear Karol,</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">I have to confess that this is a little confusing.</span></p>
<p class="x_MsoNormal"><span lang="EN-US">For better understanding of the differences of QSOLTR and QTSABS it is important to understand the considered “parts”.</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">QSOLTR is the total shortwave solar radiation transmitted through all external windows
<u>including</u> shading device into the airnode.</span></p>
<p class="x_MsoNormal"><span lang="EN-US">Then in the airnode this radiation is distributed to surfaces (taking into reflection). (For simplicity reasons we assume that there are no adjacent windows).
</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">As a results QSOLTR is either </span></p>
<p class="x_MsoNormal"><span lang="EN-US">a) immediately transferred as convective heat gain to the internal air (= Qsolair, doesn’t exist in Trnsys 17) or is</span></p>
<p class="x_MsoNormal"><span lang="EN-US">b) absorbed by walls or</span></p>
<p class="x_MsoNormal"><span lang="EN-US">b) is absorbed by windows (panes, frame and internal shading devices) as radiation leaves (!) the airnode to the outside or</span></p>
<p class="x_MsoNormal"><span lang="EN-US">c) is transmitted to the outside (= QTSOUT, NType 73)</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">QTSABS (NType 75) consists of </span></p>
<ol start="1" type="a" style="margin-top:0cm">
<li class="x_MsoNormal" style=""><span lang="EN-US">solar radiation is absorbed by walls and</span></li><li class="x_MsoNormal" style=""><span lang="EN-US">the secondary heat flux of windows (panes, frame and internal shading devices) ( = QSEC, NType 56).<br>
In this case the secondary heat flux is the part of solar radiation that is absorbed by windows when solar radiation is entering
<u>and</u> leaving the airnode <br>
and going inside to the airnode.</span></li></ol>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Thus, QSOLTR and QTSABS consider different parts of the solar radiation.</span></p>
<p class="x_MsoNormal"><span lang="EN-US">I assume you are looking something like QSOLTR – QTSOUT.</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">I hope this explanation helps.</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Kind regards,</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Marion</span></p>
<p class="x_MsoNormal"><span lang="DE"> </span></p>
<p class="x_MsoNormal"><span lang="DE"> </span></p>
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<p class="x_MsoNormal"><b><span lang="DE" style="">Von:</span></b><span lang="DE" style=""> Karol Bandurski <karol.bandurski@put.poznan.pl>
<br>
<b>Gesendet:</b> Freitag, 23. November 2018 09:39<br>
<b>An:</b> hotline <hotline@Transsolar.com>; 'TRNSYS users mailing list at OneBuilding.org' <trnsys-users@lists.onebuilding.org><br>
<b>Betreff:</b> RE: [TRNSYS-users] QTSABS vs QSOLTR</span></p>
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<p class="x_MsoNormal"><span lang="DE"> </span></p>
<p class="x_MsoNormal"><span style="color:#1F497D">Dear Christoph,</span></p>
<p class="x_MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">Thank you for your response!</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">The problem is that, it seems to me, that I don’t have internal shading, so QSOLTR should equal QTSABS. Am I right?</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">How should I set window type and external devices to get QSOLTR=QTSABS?</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D">Kind regards,<br>
Karol</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
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<p class="x_MsoNormal"><b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> hotline [</span><span lang="DE"><a href="mailto:hotline@Transsolar.com"><span lang="PL" style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">mailto:hotline@Transsolar.com</span></a></span><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">]
<br>
<b>Sent:</b> Thursday, November 22, 2018 4:57 PM<br>
<b>To:</b> TRNSYS users mailing list at OneBuilding.org<br>
<b>Subject:</b> Re: [TRNSYS-users] QTSABS vs QSOLTR</span></p>
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<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal"><span lang="DE">Dear Karol,</span></p>
<p class="x_MsoNormal"><span lang="DE"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">QSOLTR is the total shortwave solar radiation transmitted through external windows
<u>and</u> internal shading.</span></p>
<p class="x_MsoNormal"><span lang="EN-US">QTSABS also includes the secondary heat flux which includes the convection of internal shader.</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Hope that clarifies your energy balance a bit.</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Best,</span></p>
<p class="x_MsoNormal"><span lang="EN-US">Christoph</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
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<p class="x_MsoNormal"><b><span lang="DE" style="">Von:</span></b><span lang="DE" style=""> TRNSYS-users <</span><span lang="DE"><a href="mailto:trnsys-users-bounces@lists.onebuilding.org"><span style="">trnsys-users-bounces@lists.onebuilding.org</span></a></span><span lang="DE" style="">>
<b>Im Auftrag von </b>Karol Bandurski via TRNSYS-users<br>
<b>Gesendet:</b> Mittwoch, 21. November 2018 16:42<br>
<b>An:</b> </span><span lang="DE"><a href="mailto:trnsys-users@lists.onebuilding.org"><span style="">trnsys-users@lists.onebuilding.org</span></a></span><span lang="DE" style=""><br>
<b>Cc:</b> Karol Bandurski <</span><span lang="DE"><a href="mailto:karol.bandurski@put.poznan.pl"><span style="">karol.bandurski@put.poznan.pl</span></a></span><span lang="DE" style="">><br>
<b>Betreff:</b> [TRNSYS-users] QTSABS vs QSOLTR</span></p>
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<p class="x_MsoNormal"><span lang="DE"> </span></p>
<p class="x_MsoNormal">Dear All,</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal"><span lang="EN-US">I am going to find whole solar gain which come to zone throug windows.</span></p>
<p class="x_MsoNormal"><span lang="EN-US">There are two outputs that I consider: QTSABS and QSOLTR.</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">It seems to me that bigger should be QSOLTR, because it is shortwave radiation transmitted through window (but not kept 100% in air node).</span></p>
<p class="x_MsoNormal"><span lang="EN-US">The QTSABS is what exactly has been kept - has been absorbed by inside surfaces.</span></p>
<p class="x_MsoNormal"><span lang="EN-US">But it is appear that QTSABS > QSOLTR…</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Could you write me what is right interpretation of those outputs?</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US">Kind regards,<br>
Karol</span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="">--------------------------------------------------------------------</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="">Karol BANDURSKI M. Sc.</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="">Faculty of Civil and Environemntal Engeneering</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="">Division of Heating, Air Conditioning and Air Protection</span></p>
<p class="x_MsoNormal"><span lang="EN-US" style="">Poznan University of Technology</span></p>
<p class="x_MsoNormal"><span lang="DE"><a href="https://www.researchgate.net/profile/Karol_Bandurski"><span lang="EN-US">https://www.researchgate.net/profile/Karol_Bandurski</span></a></span><span lang="EN-US"></span></p>
<p class="x_MsoNormal"><span lang="DE"><a href="http://www.put.poznan.pl/~karol.bandurski"><span lang="EN-US" style="">www.put.poznan.pl/~karol.bandurski</span></a></span><span lang="EN-US" style="color:#1F497D"></span></p>
<p class="x_MsoNormal"><span lang="EN-US"> </span></p>
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