Model construction and optical properties investigation for multi-sectioned compound parabolic concentrator with particle swarm optimization

Xin Hu, Fei Chen and Zhenhua Zhang

Renewable Energy, 2021, vol. 179, issue C, 379-394

Abstract: Energy loss due to non-uniform distribution of energy flux density on the standard compound parabolic concentrator (S-CPC) absorber, and the high processing cost of S-CPC curved reflector make it difficult to popularize. Based on replacing the curved reflector of the S-CPC with plane reflector, a quick optical simulation optimization method using particle swarm optimization (PSO) in full incident angles was proposed to construct multi-sectioned compound parabolic concentrator (M-CPC) to alleviate these problems. M-CPC models with different number plane reflectors that were designed by the PSO program, and its reliability was verified in a flexible laser experiment. The conducted analysis focuses on a detailed investigation of optical properties in optimized models. Among them, the average day beam radiation collected by M-CPC3 in Kunming equinox month was 3.1681 MJ exceeding that of S-CPC at 3.1631 MJ. In particular, the uniformity U of the energy flux density distribution on the absorber evaluated by combination with the numerical and spatial location distribution indicated that M-CPCs are more uniform than S-CPC. Moreover, it was analyzed that M-CPC consisting of multi-sectioned plane glass reflector may be more economical than S-CPC regarding cost consumption.

Keywords: Solar energy; Compound parabolic concentrator; Model optimization; Particle swarm optimization; Optical property (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:179:y:2021:i:c:p:379-394

DOI: 10.1016/j.renene.2021.07.037

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