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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Thank you for your answer. Indeed, I read these differences in the manual but I don’t know for which case we need to use one or other of these sky temperatures definition. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>In fact, I have another question about the effects of the value view factor given for walls and windows. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>According to TRNBUILD manual (page 72), the view factor must impact diffuse and long wave radiation as well as convective heat transfer coefficients, so it is especially important for windows. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>When I wanted to check these impacts using the IDSHAD outputs (total diffuse radiation on outside of external surface) with differents values of view factors (equal to 0 or 0.5 or 1) for walls and windows, I saw no difference in the results.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Could you explain to me these results ?Should I use another outputs to check these impacts? Am I wrong or right ?Is my understanding of the view factor false?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Thanks a lot in advance for your answers.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Pauline GELIN<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Ingénieur Conception environnementale<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#1F497D'><img width=79 height=52 id="_x0000_i1028" src="cid:image001.jpg@01CEB514.E3154B40" alt="cid:image004.jpg@01CE062A.F4C2C000"><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><img width=81 height=13 id="_x0000_i1027" src="cid:image002.jpg@01CEB514.E3154B40" alt="cid:image006.jpg@01CE062A.F4C2C000"><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>10 avenue des canuts<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>69120 VAULX EN VELIN<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'>T : 04.37.45.33.33 <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Ligne directe : 04.37.45.33.47<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="www.katene.coop"><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>www.katene.coop</span></b></a></span><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.quadriplus-groupe.com"><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>www.quadriplus-groupe.com</span></b></a></span><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.woopa.coop"><b><span style='color:#1F497D'>www.woopa.coop</span></b></a></span><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> <o:p></o:p></span></b></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>De :</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> David BRADLEY [mailto:d.bradley@tess-inc.com] <br><b>Envoyé :</b> mercredi 18 septembre 2013 19:06<br><b>À :</b> Pauline GELIN<br><b>Cc :</b> trnsys-users (trnsys-users@cae.wisc.edu)<br><b>Objet :</b> Re: problem of sky temperatures<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Pauline,<br> Type69 and Type15 use different algorithms for computing sky temperature. The algorithms are discussed in the 04 Mathematical Reference manual.<br>Kind regards,<br> David<br><br><o:p></o:p></p><div><p class=MsoNormal>On 9/18/2013 08:40, Pauline GELIN wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello, </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>sorry to ask again the same question but I can’t understand why the values of sky temperature from weather component type 15 and from component 69 (with inputs from the same type 15) are different. </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Anyone could help me to understand?</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hanks a lot for your answers.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best Regards,</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Pauline GELIN</span></b><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Ingénieur Conception environnementale</span></b><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS ;color:#1F497D","serif"'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS ;color:#1F497D","serif"'><img border=0 width=79 height=52 id="Image_x0020_1" src="cid:image001.jpg@01CEB514.E3154B40" alt="cid:image004.jpg@01CE062A.F4C2C000"></span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span></b><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><img border=0 width=81 height=13 id="Image_x0020_2" src="cid:image002.jpg@01CEB514.E3154B40" alt="cid:image006.jpg@01CE062A.F4C2C000"></span><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>10 avenue des canuts</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>69120 VAULX EN VELIN</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'>T : 04.37.45.33.33 </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Ligne directe : 04.37.45.33.47</span></b><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span></b><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="www.katene.coop"><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>www.katene.coop</span></b></a></span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.quadriplus-groupe.com"><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>www.quadriplus-groupe.com</span></b></a></span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.woopa.coop"><b><span style='color:#1F497D'>www.woopa.coop</span></b></a><b> </b></span><o:p></o:p></p></div></blockquote></div></body></html>