期刊
SOLAR ENERGY
卷 183, 期 -, 页码 805-811出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2019.03.017
关键词
Compound parabolic concentrator; Nonimaging optics; High-flux solar simulator; Concentrating solar power
资金
- Australian Renewable Energy Agency [2014/RND005]
A three-dimensional compound parabolic concentrator (CPC) is designed for high-temperature solar thermochemical applications driven by radiation from a multi-source high-flux solar simulator. The basic geometrical parameters of the CPC including the acceptance angle and the entry aperture radius are determined using optical simulations. A cooling system for overheating protection is designed using engineering heat transfer correlations. A prototype CPC is manufactured using additive manufacturing and single point diamond turning techniques. The optical simulations show that the CPC increases the concentration ratio by a factor of 4.1 at an optical efficiency of 85.4%, reduces spillage loss from 78.9% to 32.1%, and reduces the flux non-uniformity on the target surface.
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