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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hey, TRNSYS users.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am trying to compare the wall CTFs I get from TRNSYS type 56 to the wall CTFs I obtain from other methods. However, in the building description file, it seems to me that one element of d is missing. D has n elements even though the zero term is listed as 1, so it appears that the (t-n) lag coefficient is missing.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can anyone explain if this term is really missing or if TRNSYS uses some formulation I’m not familiar with?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many thanks.<o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif"'>Mohamed Al-Hamahmy.<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Research Engineer.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><img width=339 height=57 id="Picture_x0020_1" src="cid:image001.jpg@01CE9765.5198E9F0" alt=InstDual><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>PO Box 54224, Abu Dhabi, <br>United Arab Emirates<br>Office +971 2 810 9151<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Email <u><a href="mailto:malhamahmy@masdar.ac.ae"><span style='color:windowtext'>malhamahmy@masdar.ac.ae</span></a></u><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a href="http://www.masdar.ac.ae/"><span style='color:windowtext'>http://www.masdar.ac.ae</span></a><br></span><span style='font-size:10.0pt;font-family:Webdings'>P </span><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif"'>Please consider the environment before printing this email<br></span></i><span style='font-size:7.0pt;font-family:"Arial","sans-serif"'>This transmission is confidential and intended solely for the person or organization to whom it is addressed. It may contain privileged and confidential information. If you are not the intended recipient, you should not copy, distribute or take any action in reliance on it. If you have received this transmission in error, please notify us immediately by e-mail at <b><a href="mailto:info@masdar.ac.ae"><span style='color:windowtext'>info@masdar.ac.ae</span></a></b></span><u><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></u></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>