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Solar Concentrator Consisting of Multiple Aspheric Reflectors

Author

Listed:
  • Guobin Cao

    (Beijing Railway Century Soil Engineering Co., LTD, Yangfangdian Road, Haidian District, Beijing 100038, China)

  • Hua Qin

    (Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, Shandong 255000, China)

  • Rajan Ramachandran

    (Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, Shandong 255000, China)

  • Bo Liu

    (Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, Shandong 255000, China)

Abstract

This paper presents an off-axis-focused solar concentrator system consisting of 190 aspheric reflectors, where the aperture radius of each reflector is 10 cm, and vertices of all reflectors are orderly arranged in the same plane. The aspheric parameters controlling the curvature of the reflectors are determined using coordinate transformations and the particle swarm optimization (PSO) algorithm. Based on these aspheric parameters, the light distribution of focal plane was calculated by the ray tracing method. The analyses show that the designed concentrator system has a spot radius of less than 1 cm and the concentration ratio over 3300:1 is achieved using only one reflection. The design results have been verified with the optical design software Zemax.

Suggested Citation

  • Guobin Cao & Hua Qin & Rajan Ramachandran & Bo Liu, 2019. "Solar Concentrator Consisting of Multiple Aspheric Reflectors," Energies, MDPI, vol. 12(21), pages 1-14, October.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:21:p:4038-:d:279596
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    References listed on IDEAS

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