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Volume 3, Issue 1, June 2019, Page: 9-16
Optical Design and Performance Analysis of Linear Focusing Solar Thermal Collectors
Izuchukwu Francis Okafor, National Centre for Energy Research and Development, University of Nigeria Nsukka, Nsukka, Nigeria
Received: Feb. 23, 2019;       Accepted: Apr. 9, 2019;       Published: Oct. 28, 2019
DOI: 10.11648/j.ijse.20190301.12      View  49      Downloads  23
Abstract
Linear Fresnel solar collector is a focusing concentrator suitable for direct steam generation, industrial process heat, and solar space cooling system and hot water generation for different uses. The optical design and performance simulations, experimental and numerical studies on linear Fresnel solar collector were reviewed. Studies on the optical designs and ray-tracing simulations results indicated non-uniform solar flux distributions on the receiver absorber surface. The optical quality of LFC is low due to its higher incidence angle and the cosine factor. Studies on optimizing the optical errors that affects the optical performance of the LFC are lacking in the literature. Ray tracing results at 0o incidence angle indicated three different optical losses-geometric configuration, material properties and focus errors losses. Studies on the lateral drift and uncertainty of the direction of the reflected rays, which adversely affect the concentration factor of the LFC are lacking in the literature. The optical performance of a LFC system can be improved through an optimized optical design - mirrors separation, shapes, width and their orientation.
Keywords
Linear Focusing Solar Collector, Optical Design, Performance Simulations, Optical Errors
To cite this article
Izuchukwu Francis Okafor, Optical Design and Performance Analysis of Linear Focusing Solar Thermal Collectors, International Journal of Systems Engineering. Vol. 3, No. 1, 2019, pp. 9-16. doi: 10.11648/j.ijse.20190301.12
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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