Solar Energy (photovoltaics)

Technical Symposium

Design and Evaluation of the Fresnel-Lens Based Solar Concentrator System through a Statistical-Algorithmic Approach

Thursday, September 27
12:15 PM - 12:30 PM
Location: 203AB

Abstract Content : A novel non-imaging Fresnel-lens-based solar concentrator-receiver system has been investigated to achieve high-efficiency photon and heat outputs with minimized effect of chromatic aberrations. Two types of non-imaging Fresnel lenses, a spot-flat lens and a dome-shaped lens, are designed through a statistical algorithm incorporated in MATLAB. The algorithm optimizes the lens design via a statistical ray-tracing methodology of the incident light, considering the chromatic aberration of solar spectrum, the lens-receiver spacing and aperture sizes, and the optimum number of prism grooves. An equal-groove-width of the Poly-methyl-methacrylate (PMMA) prisms is adopted in the model. The main target is to maximize ray intensity on the receiver’s aperture, and therefore, achieve the highest possible heat flux and output concentration temperature. The algorithm outputs prism and system geometries of the Fresnel-lens concentrator. The lenses coupled with solar receivers are simulated by COMSOL Multiphysics. It combines both optical and thermal analyses for the lens and receiver to study the optimum lens structure for high solar flux output. The optimized solar concentrator-receiver system can be applied to various devices which require high temperature inputs, such as concentrated photovoltaics (CPV), high-temperature stirling engine, etc.


 

Hassan Qandil

Research Assistant
Mechanical and Energy Engineering/University of North Texas

A CEM (Certified Energy Manager) mechanical engineer with 8+ years of experience in various energy and engineering businesses, located between Jordan, Malaysia, UAE, Turkey and India. Currently a Ph.D. candidate in Mechanical and Energy Engineering at the University of North Texas. Qandil's research scope is solar energy, heat transfer and optics.

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Design and Evaluation of the Fresnel-Lens Based Solar Concentrator System through a Statistical-Algorithmic Approach



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