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JINGJING WANG1, HUAJUN YANG1, PING JIANG1, WEINAN CAIYANG1, WENSEN HE1
- School of Physical Electronic, University of Electronic Science and Technology of China,Chengdu 610054, China
A new hexagonal-facet solar concentrator is designed for a satisfactory result in the experimental conditions. The parameters and the positions of the facets are determined by using space geometry and Snell-Descartes law of reflection. The experiment shows the collection efficiency ratio of the solar dish concentrator based on hexagonal facets is enhanced with the increase of the layer number. In consideration of the performance and cos t, the optimum model is a 9-layer solar concentrator, which can achieve 82.05% efficiency ratio. This concentrator decreases the cost and simplifies the manufacturing processes, and makes the focal spot more uniform . Compared with paraboloid concentrator, the composition errors have little influence on this new kind of solar concentrator..
Solar concentrator, Monte Carlo ray tracing, Space analytic geometry.
Submitted at: March 30, 2017
Accepted at: Feb. 12, 2018
JINGJING WANG, HUAJUN YANG, PING JIANG, WEINAN CAIYANG, WENSEN HE, Optical design of a solar dish concentrator based on hexagonal facets, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 1-2, pp. 7-12 (2018)
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