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Please help me to apply this formula to find solarimeter


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#1 yash

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Posted 19 December 2012 - 10:48 AM

Please help me to apply this formula to find solar radiation

A. Cloud cover observations
Model Kasten and Czeplak (1980):
K = [ K ] (a1 sin h + a2) (1 + b1 Nb2)
Where, a1 and a2 are local turbidity coefficients and N = 1 for overcast skies, b1 and b2 are constants.


second eqn:
. Sunshine duration measurements
2. Stanhill (1983):
For Northern Hemisphere:
K = 9.31 – 0.1033 ø + 0.00030 H (unit GJm-2yr-1)
For Southern Hemisphere:
K = 10.34 – 0.1253 ø + 0.00035 H (unit GJm-2yr-1)
The Stanhill formulae applies to any world location between latitudes 20o and 55o.
Elevation differences affects the transmission path of global radiation.
Ø is latitude and H is terrain elevation in m.


Thank in advance

#2 bob1

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Posted 19 December 2012 - 11:41 AM

I have moved this to the homework forums as it is clearly not a Biochemistry methods question.

You need to supply your latitude, elevation, cloud cover estimates etc (i.e. the variables you mention) for this to be applied.

#3 yash

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Posted 20 December 2012 - 05:16 AM

Thanks, can you please tell me how to appply it with this equation

#4 Inbox

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Posted 20 December 2012 - 07:10 AM

Refer to
http://onlinelibrary...2/joc.3548/full




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