SUN RADIATION
SUN RADIATION
SUN RADIATION
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An equation describe the variation through out the year just outside the<br />
earth atmosphere:<br />
H<br />
H<br />
const<br />
=<br />
1<br />
+<br />
0.<br />
033<br />
cos(<br />
360<br />
( n<br />
365<br />
where:<br />
H is the radiant power density outside the Earth's atmosphere (in W/m2);<br />
H const is the value of the solar constant, 1.353 kW/m2; and<br />
n is the day of the year.<br />
−<br />
2)<br />
MAGISTER TEKNIK ELEKTRO<br />
)
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