Bifurcated forced convective heat transfer of supercritical CO2 flow in plane symmetric sudden expansion duct / Bi-Li Deng in Journal of heat transfer, Vol. 133 N° 2 (Fevrier 2011)  

Public ISBD [article]  inJournal of heat transfer > Vol. 133 N° 2 (Fevrier 2011) . - pp. [021703/1-7] Titre : Bifurcated forced convective heat transfer of supercritical CO2 flow in plane symmetric sudden expansion duct Type de document : texte imprimé Auteurs : Bi-Li Deng, Auteur ; Xin-Rong Zhang, Auteur ; Hiroshi Yamaguchi, Auteur Année de publication : 2011 Article en page(s) : pp. [021703/1-7] Note générale : Physique Langues : Anglais (eng) Mots-clés : Supercritical CO2 Sudden expansion Bifurcated flow Forced convection Index. décimale : 536 Chaleur. Thermodynamique Résumé : This study presents a computational investigation of forced convection of supercritical CO2 flow in plane symmetric sudden expansion duct at an expansion ratio of 2 in flow asymmetric regime. Computations were conducted at various Reynolds numbers in flow asymmetric regime and low wall heat fluxes below 500 W/m2 to examine the Reynolds number and thermal effects on the flow and heat transfer of the bifurcated flow. General flow features and temperature distributions are presented. The transitional Reynolds numbers above, which a third recirculation region will appear at different wall heat flux are presented, and thus thermal effects on the flow stability are discussed. Reynolds number and thermal effects on distributions of wall skin friction, pressure coefficient, and Nusselt number are presented and discussed. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...] [article] Bifurcated forced convective heat transfer of supercritical CO2 flow in plane symmetric sudden expansion duct [texte imprimé] / Bi-Li Deng, Auteur ; Xin-Rong Zhang, Auteur ; Hiroshi Yamaguchi, Auteur . - 2011 . - pp. [021703/1-7]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 133 N° 2 (Fevrier 2011) . - pp. [021703/1-7] Mots-clés : Supercritical CO2 Sudden expansion Bifurcated flow Forced convection Index. décimale : 536 Chaleur. Thermodynamique Résumé : This study presents a computational investigation of forced convection of supercritical CO2 flow in plane symmetric sudden expansion duct at an expansion ratio of 2 in flow asymmetric regime. Computations were conducted at various Reynolds numbers in flow asymmetric regime and low wall heat fluxes below 500 W/m2 to examine the Reynolds number and thermal effects on the flow and heat transfer of the bifurcated flow. General flow features and temperature distributions are presented. The transitional Reynolds numbers above, which a third recirculation region will appear at different wall heat flux are presented, and thus thermal effects on the flow stability are discussed. Reynolds number and thermal effects on distributions of wall skin friction, pressure coefficient, and Nusselt number are presented and discussed. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...]

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