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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">the following question was posted to the Linkedin group with limited answers. Maybe there are people on the email list who can offer more help.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">I am currently trying to understand the transmission of solar radiation through windows in type 56 in more detail. Are there any more detailed
sources or descriptions than in the mathematical reference manual (apart from digging through Fortran)? The TRNSYS Manual is not very specific in the T56 manual reference.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">As I understand the direct radiation is multiplied with the (interpolated) transmittance for angles 0 to 90 and the diffuse radiation is multiplied
with the hemisperical transmittance. Is this correct?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Related to this topic: Does someone have more detail how Window (7) is calculating the angle and hemis values?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Thanks in advance for any hints,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black">Best, Jens<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-family:"Times New Roman","serif";color:black;mso-fareast-language:EN-GB">Jens Apel
<br>
</span></b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#595959;mso-fareast-language:EN-GB">Senior Engineer | Advanced Building Engineering
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