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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif"'>Hello, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif"'>In order to understand TRNSYS calculations for windows, </span><span class=hps><span lang=EN style='font-size:11.0pt;font-family:"Arial","sans-serif"'>is</span></span><span lang=EN style='font-size:11.0pt;font-family:"Arial","sans-serif"'> <span class=hps>that</span> <span class=hps>someone who can give me</span> <span class=hps>the mathematical formula</span> <span class=hps>linking</span> <span class=hps>Uedge,</span> <span class=hps>calculated</span> page 169 of the <span class=hps>TRNBUILD manual, </span> <span class=hps>and the </span> <span class=hps>final</span> <span class=hps>Uglass, really used for the transmission losses. <o:p></o:p></span></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif"'>Thank you in advance for this help.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif"'>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_i1032" src="cid:image001.jpg@01CE6767.AABF4FC0" 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_i1031" src="cid:image002.jpg@01CE6767.AABF4FC0" 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"'>De :</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Pauline GELIN <br><b>Envoyé :</b> mardi 11 juin 2013 09:11<br><b>À :</b> 'trnsys-users'<br><b>Objet :</b> RE: Persistent questioning about window definition<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hello, <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Sorry to send you again the same topic but my doubts persist, after many many tests, about the window values used by TRNSYS for transmission losses. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>First of all, when I test a window with only glazing (area frame = 0), it seems that the 2 outputs of TRNBUILD Uwin and B4_QT (transmission into a wall, with a test with constant values of internal and external temperatures and no radiation) give me the same Uglass with convective heat transfer coefficients equal to convective + radiative coefficients, it means front coefficient = 27 kJ/hm²K = 0.13 m²K/W and back coefficient = 89 kJ/hm²K = 0.04 m²K/W. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Is it also what you found ? How could you explain me that ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Then, also with this test of 100% glazing window, if I use a glass type I created with WINDOW 6 without frame and spacer (because I want to choose after the spacer and the frame in TRNBUILD), which is shown in WINID with a indicative Ug of 1.07 W/m²K, correct value for this type, when I look the 2 outputs Uwin and B4_QT, these ones give me a Uglass of only 0.57 W/m²K !<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Could you explain to me what I did wrong? And more especially, how TRNSYS could calculate this value?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Thanks a again for all help you could give me to be sure of TNSYS values.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>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"'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>Pauline GELIN<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>Ingénieur Conception environnementale<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#1F497D'><img border=0 width=79 height=52 id="_x0000_i1025" src="cid:image001.jpg@01CE6767.AABF4FC0" 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 border=0 width=81 height=13 id="_x0000_i1026" src="cid:image002.jpg@01CE6767.AABF4FC0" 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><b> <o:p></o:p></b></span></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"'>De :</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Pauline GELIN <br><b>Envoyé :</b> lundi 27 mai 2013 14:43<br><b>À :</b> 'trnsys-users'<br><b>Objet :</b> Persistent questioning about window definition<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Hello, <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Sorry to insist but I am really blocked by these questions of data. I am not at all sure of the TRNSYS simulations. <o:p></o:p></span></p><p class=MsoNormal><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>Are</span></span><span class=shorttext><span lang=EN style='font-family:"Arial","sans-serif"'> </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>there no</span></span><span class=shorttext><span lang=EN style='font-family:"Arial","sans-serif"'> </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>one else who</span></span><span class=shorttext><span lang=EN style='font-family:"Arial","sans-serif"'> </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>has</span></span><span class=shorttext><span lang=EN style='font-family:"Arial","sans-serif"'> </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>met</span></span><span class=shorttext><span lang=EN style='font-family:"Arial","sans-serif"'> </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>these misunderstandings?</span></span><span lang=EN-US style='font-family:"Arial","sans-serif"'><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><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 border=0 width=79 height=52 id="_x0000_i1027" src="cid:image001.jpg@01CE6767.AABF4FC0" 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 border=0 width=81 height=13 id="_x0000_i1028" src="cid:image002.jpg@01CE6767.AABF4FC0" 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.co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style='font-family:"Arial","sans-serif"'>TRNBUILD consider </span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>: </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>those entries in the database glazings or those filled in the database window that is created for each project?<o:p></o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>This misunderstanding </span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>about the </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>values ​​considered by </span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>T</span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>RNBUILD is not at all reassuring. </span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p></o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>Especially when I tested a window created with WINDOW6 and one from  the initial TRNBUILD database with 100% glass (so without frame). <o:p></o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>And in the first case I found </span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>a </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>Uwin value equal to 0.3 instead of Ug equal to 1.07. <o:p></o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>And in the second case I found a Uwin value of 1.22 for the same value of </span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>Ug equal to </span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'>1.07</span></span><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>.<o:p></o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>Thanks a lot in advance for all your answers. <o:p></o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=hps><span lang=EN-US style='font-family:"Arial","sans-serif"'>Best regards,</span></span><span class=hps><span lang=EN style='font-family:"Arial","sans-serif"'><o:p></o:p></span></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt'><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 border=0 width=79 height=52 id="Image_x0020_1" src="cid:image001.jpg@01CE6767.AABF4FC0" 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 border=0 width=81 height=13 id="Image_x0020_2" src="cid:image002.jpg@01CE6767.AABF4FC0" 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><b> <o:p></o:p></b></span></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></body></html>