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Leanne,<br>
Thanks for finding that bug - the documentation in this case is
correct - the code (and thus the DLL) uses an incorrect equation. I
will send you a replacement DLL in a separate email.<br>
Kind regards,<br>
David<br>
<br>
<br>
Robinson, Leanne wrote:
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<title>Type 687 Calculation of QSbeam</title>
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<p><font face="Arial" size="2">Hello,</font>
<br>
<font face="Arial" size="2">I am calculating illuminance through a
window and would like to use the luminous efficacy model included in
type687 NFRC window.</font></p>
<p><font face="Arial" size="2">I was looking at the proforma and
noticed that the calculation of Qsbeam does not match the equation
given in the documentation for type687</font></p>
<p><font face="Arial" size="2">In the proforma: QSBeam=
Area*NUNITS*SHGC*IBEAM*COS(THETA*RDCONV)**<b>0.2</b></font>
<br>
<font face="Arial" size="2">In the documentation for the type the
equation uses</font><b> <font face="Arial" size="2">sqrt</font></b><font
face="Arial" size="2"> (cos theta).</font>
</p>
<p><font face="Arial" size="2">I'm just making sure that this is only
a discrepancy in the proforma and that the dll uses the correct term. </font>
</p>
<p><font face="Arial" size="2">Thank you,</font>
<br>
<font face="Arial" size="2">Leanne Robinson</font>
</p>
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