<html><body bgcolor="#FFFFFF"><div><div>There is an ISO 7730 norm with Algorithm to do this. If TrnSys can calc OT, then it would use the ISO.<br><br><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.28125); -webkit-composition-fill-color: rgba(175, 192, 227, 0.214844); -webkit-composition-frame-color: rgba(77, 128, 180, 0.214844); ">Mit freundlichen Grüßen- Sent from my iPhone <span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.273438); -webkit-composition-fill-color: rgba(175, 192, 227, 0.207031); -webkit-composition-frame-color: rgba(77, 128, 180, 0.207031); ">(excuse the brevity)</span></span></div><div><br></div><div>i. A.</div><div>Jean Marais</div><div>b.i.g. bechtold</div><div>Tel. +49 30 6706662-23</div></div><div><br>On 02.12.2013, at 11:58, Angel Carrera <<a href="mailto:angel.carrera@aiguasol.coop"><a href="mailto:angel.carrera@aiguasol.coop">angel.carrera@aiguasol.coop</a></a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div dir="ltr"><div><div><div><br></div>Karol,<br><br></div>i am not completely sure, but i guess is only air and surface temperature. As the radiant temperature is dependent on the view factor of the surface, and internal gains have no surface associated it can't be taken into account directly in the calculation of operative temperature <br>
<br></div>Angel<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/12/2 Karol Bandurski <span dir="ltr"><<a href="mailto:karol.bandurski@put.poznan.pl" target="_blank"></a><a href="mailto:karol.bandurski@put.poznan.pl"><a href="mailto:karol.bandurski@put.poznan.pl">karol.bandurski@put.poznan.pl</a></a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div link="blue" vlink="purple" lang="EN-US"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Leen,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thanks for this tips, your PhD is helpful.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">But now I would like what is TRNSYS code – which way does TRNSYS calculate operative temperature?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Does program take into account also heat gain in the zone or only surfaces and air temperature?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Karol<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"" lang="PL">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"" lang="PL"> leen peeters [mailto:<a href="mailto:l.f.r.peeters@gmail.com" target="_blank"></a><a href="mailto:l.f.r.peeters@gmail.com"><a href="mailto:l.f.r.peeters@gmail.com">l.f.r.peeters@gmail.com</a></a>] <br>
<b>Sent:</b> Friday, November 29, 2013 9:43 PM<br><b>To:</b> TRNSYS users mailing list at the Solar Energy Lab, UW-Madison<br><b>Subject:</b> Re: [TRNSYS-users] operative temperature<u></u><u></u></span></p><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">Karol,<u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal">that depends on the viewfactors. the operative temperature sensed by a person depends on his/her location in a room.<u></u><u></u></p>
</div><div><p class="MsoNormal">If you check the book of Ole Fanger, you will be able to find that explanation. A part of it, specifically applied to a radiator case is also in my PhD.<u></u><u></u></p></div><div><p class="MsoNormal">
<u></u><u></u></p></div><div><p class="MsoNormal">If the 'radiating object' is close to a person and the location of the person in the zone is thus clearly defined, his/her actual thermal sensation will be influenced by the radiating object in case it is large enough or the temperature is high enough.<u></u><u></u></p>
</div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal">However, the added value of a detailed calculation is limited in case the real life scenario would be one where furniture is blocking the viewfactors between radiating object and person.<u></u><u></u></p>
</div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal">Leen<u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal">
<u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div><p class="MsoNormal">
On Fri, Nov 29, 2013 at 5:25 PM, Karol Bandurski <<a href="mailto:karol.bandurski@put.poznan.pl" target="_blank"></a><a href="mailto:karol.bandurski@put.poznan.pl"><a href="mailto:karol.bandurski@put.poznan.pl">karol.bandurski@put.poznan.pl</a></a>> wrote:<u></u><u></u></p><div><div><p class="MsoNormal">Dear All,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Do you know which objects are taken into account in operative temperature calculation?<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">
Air, walls, floor, ceiling for sure, but for example radiative heat gain that is modeled in zone?<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">I will be grateful for any comments!<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Regards,<u></u><u></u></p><p class="MsoNormal">Karol<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">------------------------------------------------<u></u><u></u></p>
<p class="MsoNormal">Karol Bandurski MSc.<u></u><u></u></p><p class="MsoNormal"><span style="background:white" lang="PL"><a href="http://www.ee.put.poznan.pl/" target="_blank"><span style="color:windowtext;text-decoration:none" lang="EN-US">Institute of Environmental Engineering</span></a></span><u></u><u></u></p>
<p class="MsoNormal"><span style="background:white">Poznan University of Technology</span><u></u><u></u></p><p class="MsoNormal"><span style="background:white" lang="PL"><a href="http://www.put.poznan.pl/~karol.bandurski" target="_blank"><span lang="EN-US">www.put.poznan.pl/~karol.bandurski</span></a></span><u></u><u></u></p>
<p class="MsoNormal"><span style="background:white" lang="PL"><a href="http://www.ee.put.poznan.pl/" target="_blank"></a><a href="http://www.ee.put.poznan.pl"><a href="http://www.ee.put.poznan.pl">www.ee.put.poznan.pl</a></a></span><u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt">
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