Optical and thermal characterization of a variable geometry concentrator using ray-tracing tools and experimental data

Pujol-Nadal, Ramón; Martínez-Moll, Víctor; Sallaberry, Fabienne; Moià-Pol, Andreu

doi:10.1016/j.apenergy.2015.06.005

Cited by 13 publications

(4 citation statements)

References 22 publications

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“…Optical analysis is an effective way to estimate the amount of concentrated sunlight reaching the absorber surface. Typically, an optical analysis involves ray tracing using in house codes or commercial packages. , Several studies can be found in the literature which make use of commercial software such as ASAP, Tracepro, Opticad, Zeemax, and Apex for carrying out ray tracing.…”

Section: Construction Of the Devicementioning

confidence: 99%

Hydrogen-Rich Syngas from Jatropha curcas Shell Biomass Char in Fresnel Lens Solar Concentrator Assembly

et al. 2017

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Hydrogen-rich syngas was generated from Jatropha curcas (J. curcas) shell biomass char in a Fresnel lens solar concentrator assembly using solar thermal energy. The assembly had two lenses arranged in such a manner that the focal point of both coincided at a glass reactor, having a specially designed water inlet mechanism. A dual axis automatic solar tracking system working in a closed loop was utilized for continuously maintaining the focal point on the reactor so that the desired high temperature could be obtained for the reaction. The maximum temperature of 1087 °C with a geometrical concentration of 215× was reached at the focal plane. The theoretical efficiency of the system was found to be 67.44%. The simulated results of the predicted temperature were first verified experimentally without any reaction mixture, and they differed with an average error of 7.85%. J. curcas shell char was then steam gasified at the focus. A maximum char bed temperature of 736 °C could be achieved during the reaction, and 42.77% hydrogen gas was obtained in the combustible gas mixture. In this work, a cost-effective and modular assembly for high-temperature solar steam gasification is designed and fabricated to make the process attractive and environmentally benign.

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Section: Construction Of the Devicementioning

confidence: 99%

Hydrogen-Rich Syngas from Jatropha curcas Shell Biomass Char in Fresnel Lens Solar Concentrator Assembly

et al. 2017

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“…produkcję chłodu, generację energii mechanicznej czy zgazowanie paliw stałych. Jest to możliwe głównie dzięki zastosowaniu koncentratorów promieniowania słonecznego [1][2][3][4]. Realizacja badań eksperymentalnych nad układami skupiającymi promieniowanie sło-neczne jest jednak dość trudna.…”

Section: Wprowadzenieunclassified

“…Wyniki analiz systemów helioenergetycznych poprzez symulacjekomputerowe oparte na metodzie RTMC opisane zostały m.in. w [1][2][3][4]8].…”

Section: Metoda śLedzenia Promienia Typu Monte Carlounclassified

Symulacje Odbiornika Ciepła Wysokotemperaturowego Pracującego W Układzie Helioenergetycznym

Przenzak¹,

Tarnowska²,

Filipowicz³

2016

ZNPRzBiS

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“…A theoretical model has been developed from the experiments and compared with the previous models. Some other researchers used ray-tracing methods to investigate the flux distribution and radiation losses from the cavity surface (Li et al, 2011;Pujol-Nadal et al, 2015;Wang et al, 2014) The integration of the solar receiver with a high-temperature thermal energy storage system is a challenging task. In such type of devices, the system compactness is essential.…”

Section: Introductionmentioning

confidence: 99%

Design of high-temperature solar receiver integrated with short-term thermal storage for Dish-Micro Gas Turbine systems

2019

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Optical and thermal characterization of a variable geometry concentrator using ray-tracing tools and experimental data

Cited by 13 publications

References 22 publications

Hydrogen-Rich Syngas from Jatropha curcas Shell Biomass Char in Fresnel Lens Solar Concentrator Assembly

Hydrogen-Rich Syngas from Jatropha curcas Shell Biomass Char in Fresnel Lens Solar Concentrator Assembly

Symulacje Odbiornika Ciepła Wysokotemperaturowego Pracującego W Układzie Helioenergetycznym

Design of high-temperature solar receiver integrated with short-term thermal storage for Dish-Micro Gas Turbine systems

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