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<HTML><HEAD><TITLE>About Ntypes 50 and 51 (Uwin and SHGC)</TITLE>
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<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2>H<SPAN class=511035115-21112007>i all,
</SPAN></FONT></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN
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<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN class=511035115-21112007>I just plotted the "solar zenith angle"
and the "angle of incidence" on south, given by type 109. I thought they
would be at least equals at midday but I noticed a variable difference
throughout a year period.</SPAN></FONT></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN
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<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN class=511035115-21112007>Can someone explain the difference betwenn
these two angles ?</SPAN></FONT></FONT></FONT></SPAN></DIV>
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size=2><SPAN
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<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN class=511035115-21112007>Best
regards.</SPAN></FONT></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN
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<DIV><SPAN class=511035115-21112007><FONT face=Arial><FONT color=#0000ff><FONT
size=2><SPAN
class=511035115-21112007>Romain Huchedé </SPAN></FONT></FONT></FONT></SPAN></DIV><PRE>
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