cos(Θ) = sin(φ)*sin(δ)+cos(φ)*cos(δ)*cos(h)?
If this equation confuses you, my simple spreadsheet might help.
2024 07Jul 02_ sunlight intensity at different times spreadsheet:
docs.google.com/spreadsheets/...
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This internet site makes things easier to understand (graphic and tables approach):
www.suncalc.org/#/30.4965,-91...
The Wikipedia 'Solar irradiance' article helped me a lot, but I needed an example to figure things out.
en.wikipedia.org/wiki/Solar_i...
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The Wikipedia 'Direct insolation' article's simple formula for the approximate level of direct insolation was used.
I_D = 1.353 kW/m^2 *.7^(AM^.678) where airmass = AM=1/cos(Θ)
My spreadsheet doesn't include diffuse radiation calculations.
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motivation: I didn't find that a simple Sun spreadsheet was available. Mine could use some improvements, but it still seemed worth posting.
keywords: viewable & downloadable, free, zenith angle, azimuth, subsolar point.
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Негізгі бет Ғылым және технология Basic solar irradiance spreadsheet. Downloadable. Sun intensity throughout the day. Radiation.
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