Clear Sky Beam Radiation.xmcd
Q.
at solar noon on a clear day in Atlanta (Latitude 33.7 degrees N)
on May 21.
SOLUTION
for May 21
Try to change L to Seoul 37.5
Air mass ratio (m):
Apparent Extraterrestrial flux (A):
Optical Depth (k):
Clear Sky Beam Radiation at the Earth Surface (IB):
W / m^2
Overall Annual Cost: A + Eq+O&M
[$/kWh]