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Keywords: measurement direct normal radiation
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Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041005.
Paper No: SOL-21-1098
Published Online: January 9, 2023
... = reflectance of the mirror σ = Stefane–Boltzmann constant (5.670374419 × 10 −8 W/m 2 /K 4 ) τ = transmittance of the glass cover ω = hour angle (deg) ∅ = latitude of the place (deg) measurement direct normal radiation direct steam generation parabolic trough...