Selecting Windows - Florida Solar Energy Center
Selecting Windows - Florida Solar Energy Center
Selecting Windows - Florida Solar Energy Center
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Reflected solar<br />
radiation<br />
Glazing-absorbed<br />
solar radiant heat<br />
Outward flowing<br />
fraction of glazing<br />
absorbed radiation<br />
Performance Indices<br />
1<br />
R s<br />
A s<br />
T s<br />
N i A s<br />
T s + N i A s = SHGC<br />
Visible Transmittance VT<br />
U<br />
VT<br />
<strong>Solar</strong> Heat<br />
Gain<br />
Coefficient<br />
Primary<br />
Indices<br />
U-factor U<br />
(R-value = 1/U)
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