NASA NTRS · 19780055727
Flat-sided rectilinear trough as a solar concentrator - An analytical study
Abstract
Formulas are derived for the concentration factor and irradiance distribution at the base of the flat-sided linear trough. Performance is affected by the number of reflections the solar rays undergo before reaching the base, the cone apex angle, and the coefficient of reflection. Results are presented graphically in such a way that one can choose the optimum configuration, which is the minimum material required, to achieve a given concentration factor. Practical concentration factors range from 1.5 to 4 depending on the geometry and coefficient of reflection.
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Burkhard, D. G., Strobel, G. L., Burkhard, D. R.. 1978-06-15. Flat-sided rectilinear trough as a solar concentrator - An analytical study. https://ntrs.nasa.gov/citations/19780055727
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