NASA Technical Reports Server (NTRS) 19820023233: Solar concentration properties of flat fresnel lenses with large F-numbersReportar como inadecuado




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The solar concentration performances of flat, line-focusing sun-tracking Fresnel lenses with selected f-numbers between 0.9 and 2.0 were analyzed. Lens transmittance was found to have a weak dependence on f-number, with a 2% increase occuring as the f-number is increased from 0.9 to 2.0. The geometric concentration ratio for perfectly tracking lens

Autor: NASA Technical Reports Server (NTRS)

Fuente: https://archive.org/



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