Validation of a Monte Carlo Integral Formulation Applied to Solar Facility Simulations and Use of Sensitivities

Cyril Caliot 1 Hadrien Benoit 1 Emmanuel Guillot 1 Jean-Louis Sans 1 Alain Ferriere 1 Gilles Flamant 1 Christophe Coustet 2 Benjamin Piaud 2
1 PROMES - Procédés, Matériaux et Energie Solaire
2 HPC-SA Raytracing Solutions
Abstract : The design of solar concentrating systems and receivers requires the spatial distribution of the solar flux on the receiver. This article presents an integral formulation of the optical model for the multiple reflections involved in solar concentrating facilities, which is solved by a Monte Carlo ray-tracing (MCRT) algorithm that handles complex geometries. An experimental validation of this model is obtained with published results for a dish configuration. The convergence of the proposed algorithm is studied and found faster than collision-based algorithms. In addition, an example of the use of the sensitivity of the power on a target to the mirror rms-slope is given by treating an inverse-problem consisting in finding the equivalent rms-slope of mirrors that best match the flux map measurements.
Keywords : Reflection Simulation Algorithms Solar energy Mirrors Ray tracing
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Journal articles
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https://hal-univ-perp.archives-ouvertes.fr/hal-01174959
Contributor : Olivier Savoyat <>
Submitted on : Friday, July 10, 2015 - 11:49:53 AM
Last modification on : Thursday, January 11, 2018 - 6:22:15 AM

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UNIV-PERP | PROMES

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Cyril Caliot, Hadrien Benoit, Emmanuel Guillot, Jean-Louis Sans, Alain Ferriere, et al.. Validation of a Monte Carlo Integral Formulation Applied to Solar Facility Simulations and Use of Sensitivities. Journal of Solar Energy Engineering, American Society of Mechanical Engineers, 2015, 137 (2), 8 p. ⟨10.1115/1.4029692⟩. ⟨hal-01174959⟩

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