Progress in the development of two stage concentrated (53X) parabolic trough solar thermal collector

Yogesh Bhusal; Bennett Widyolar; Lun Jiang; Jordyn Brinkley; Roland Winston; David Cygan; Hamid Abbasi

doi:10.1117/12.2570781

16 September 2020 Progress in the development of two stage concentrated (53X) parabolic trough solar thermal collector

Yogesh Bhusal, Bennett Widyolar, Lun Jiang, Jordyn Brinkley, Roland Winston, David Cygan, Hamid Abbasi

Proceedings Volume 11495, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII; 114950M (2020) https://doi.org/10.1117/12.2570781
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

In this research work, the performance of a novel secondary concentrator in the vacuum receiver of the parabolic trough collector was investigated. The secondary concentrator was designed, the optical and thermal performance analysis is conducted analytically and validated numerically by using Finite Element Analysis based computational software. From the initial optical and thermal modeling, it was found that the use of secondary reflector gives a concentration of 53X versus a concentration in 20’s X of conventional trough collectors to provide an optical efficiency of 75% and a thermal efficiency of 55% at 650^oC. The receiver with the novel secondary reflector was designed, assembled and tested indoors using resistance heaters. Heat loss measurement at 650^oC at the absorber demonstrated emissivity of less than 0.2.

Citation Download Citation

Yogesh Bhusal, Bennett Widyolar, Lun Jiang, Jordyn Brinkley, Roland Winston, David Cygan, and Hamid Abbasi "Progress in the development of two stage concentrated (53X) parabolic trough solar thermal collector", Proc. SPIE 11495, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII, 114950M (16 September 2020); https://doi.org/10.1117/12.2570781

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