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Détail de l'auteur
Auteur P. Poživil
Documents disponibles écrits par cet auteur
Affiner la rechercheA modular ceramic cavity-receiver for high-temperature high-concentration solar applications / I. Hischier in Transactions of the ASME. Journal of solar energy engineering, Vol. 133 N° 1 (Fevrier 2011)
in Transactions of the ASME. Journal of solar energy engineering > Vol. 133 N° 1 (Fevrier 2011) . - 06 p.
Titre : A modular ceramic cavity-receiver for high-temperature high-concentration solar applications Type de document : texte imprimé Auteurs : I. Hischier, Auteur ; P. Poživil, Auteur ; A. Steinfeld, Auteur Année de publication : 2012 Article en page(s) : 06 p. Note générale : Solar energy Langues : Anglais (eng) Mots-clés : Coatings Convection Finite element analysis Finite volume methods Gas turbines Heat conduction Monte Carlo methods Ray tracing Solar power Index. décimale : 621.47 Résumé : A high-temperature pressurized air-based receiver is considered as a module for power generation via solar-driven gas turbines. A set of silicon carbide cavity-receivers attached to a compound parabolic concentrator (CPC) are tested on a solar tower at stagnation conditions for 35 kW solar radiative power input under mean solar concentration ratios of 2000 suns and nominal temperatures up to 1600 K. A heat transfer model coupling radiation, conduction, and convection is formulated by Monte Carlo ray-tracing, finite volume, and finite element techniques, and validated in terms of experimentally measured temperatures. The model is applied to elucidate the effect of material properties, geometry, and reflective coatings on the cavity's thermal and structural performances. DEWEY : 621.47 ISSN : 0199-6231 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO000134000001 [...] [article] A modular ceramic cavity-receiver for high-temperature high-concentration solar applications [texte imprimé] / I. Hischier, Auteur ; P. Poživil, Auteur ; A. Steinfeld, Auteur . - 2012 . - 06 p.
Solar energy
Langues : Anglais (eng)
in Transactions of the ASME. Journal of solar energy engineering > Vol. 133 N° 1 (Fevrier 2011) . - 06 p.
Mots-clés : Coatings Convection Finite element analysis Finite volume methods Gas turbines Heat conduction Monte Carlo methods Ray tracing Solar power Index. décimale : 621.47 Résumé : A high-temperature pressurized air-based receiver is considered as a module for power generation via solar-driven gas turbines. A set of silicon carbide cavity-receivers attached to a compound parabolic concentrator (CPC) are tested on a solar tower at stagnation conditions for 35 kW solar radiative power input under mean solar concentration ratios of 2000 suns and nominal temperatures up to 1600 K. A heat transfer model coupling radiation, conduction, and convection is formulated by Monte Carlo ray-tracing, finite volume, and finite element techniques, and validated in terms of experimentally measured temperatures. The model is applied to elucidate the effect of material properties, geometry, and reflective coatings on the cavity's thermal and structural performances. DEWEY : 621.47 ISSN : 0199-6231 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO000134000001 [...]
in Transactions of the ASME. Journal of solar energy engineering > Vol. 134 N° 1 (Janvier/Fevrier 2012) . - 6 p.
Titre : A modular ceramic cavity-receiver for high-temperature high-concentration solar applications Type de document : texte imprimé Auteurs : I. Hischier, Auteur ; P. Poživil, Auteur Année de publication : 2012 Article en page(s) : 6 p. Note générale : Solar energy Langues : Anglais (eng) Mots-clés : Coatings, Convection, Finite element analysis, Finite volume methods, Gas turbines, Heat conduction, Monte Carlo methods, Ray tracing, Solar power Résumé : A high-temperature pressurized air-based receiver is considered as a module for power generation via solar-driven gas turbines. A set of silicon carbide cavity-receivers attached to a compound parabolic concentrator (CPC) are tested on a solar tower at stagnation conditions for 35 kW solar radiative power input under mean solar concentration ratios of 2000 suns and nominal temperatures up to 1600 K. A heat transfer model coupling radiation, conduction, and convection is formulated by Monte Carlo ray-tracing, finite volume, and finite element techniques, and validated in terms of experimentally measured temperatures. The model is applied to elucidate the effect of material properties, geometry, and reflective coatings on the cavity's thermal and structural performances. DEWEY : 621.47 ISSN : 0199-6231 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO000134000001 [...] [article] A modular ceramic cavity-receiver for high-temperature high-concentration solar applications [texte imprimé] / I. Hischier, Auteur ; P. Poživil, Auteur . - 2012 . - 6 p.
Solar energy
Langues : Anglais (eng)
in Transactions of the ASME. Journal of solar energy engineering > Vol. 134 N° 1 (Janvier/Fevrier 2012) . - 6 p.
Mots-clés : Coatings, Convection, Finite element analysis, Finite volume methods, Gas turbines, Heat conduction, Monte Carlo methods, Ray tracing, Solar power Résumé : A high-temperature pressurized air-based receiver is considered as a module for power generation via solar-driven gas turbines. A set of silicon carbide cavity-receivers attached to a compound parabolic concentrator (CPC) are tested on a solar tower at stagnation conditions for 35 kW solar radiative power input under mean solar concentration ratios of 2000 suns and nominal temperatures up to 1600 K. A heat transfer model coupling radiation, conduction, and convection is formulated by Monte Carlo ray-tracing, finite volume, and finite element techniques, and validated in terms of experimentally measured temperatures. The model is applied to elucidate the effect of material properties, geometry, and reflective coatings on the cavity's thermal and structural performances. DEWEY : 621.47 ISSN : 0199-6231 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO000134000001 [...]
