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《Acta Optica Sinica》 2016-04
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Performance Analysis and Design of Multi-Plane Mirrors Linear Combination Solar Concentrator

Wang Yunfeng;Ji Jie;Li Ming;Chen Haifei;Solar Energy Research Institute, Yunnan Normal University;Department of Thermal Science and Energy Engineering, University of Science and Technology of China;School of Petroleum Engineering, Changzhou University;  
A new multi- plane mirrors linear combination solar concentrator is proposed for concentrating photovoltaic system. Based on the new concentrator, the geometric concentrator parameters that affect the optical performance are studied using analytic geometry method. The concepts of the minimum design spacing and cosine efficiency are proposed. The interactional condition between focal length and different sizes of sub-mirror, as well as between focal length and different numbers of sub-mirror investigated, and the optimization of the minimum design spacing and cosine efficiency are given. A model developed by Trace Pro software is used to obtain the flux distribution of the focal plane at different simulation parameters. An experimental prototype concentrator with 450×suns is fabricated and preliminary tested, the operation shows that the effect is obvious and the expected results is arrived. The simulation results can present a useful reference for design and optimization of the solar concentrator.
【Fund】: 国家863计划(2013AA050403);; 国家自然科学基金(51466017);; 云南省科技计划(2014FD015);; 中国博士后科学基金(2014M562349)
【CateGory Index】: TK513.1
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