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Performance of a convectively heated rectangular fin with a step change in cross-sectional area and losing heat by simultaneous convection and radiation (Step fins under radiation environment) / B. Kundu in Journal of heat transfer, Vol. 132 N° 10 (Octobre 2010) 

Public ISBD [article]  in Journal of heat transfer > Vol. 132 N° 10 (Octobre 2010) . - pp. [104502/1-6] Titre : Performance of a convectively heated rectangular fin with a step change in cross-sectional area and losing heat by simultaneous convection and radiation (Step fins under radiation environment) Type de document : texte imprimé Auteurs : B. Kundu, Auteur ; A. Aziz, Auteur Année de publication : 2010 Article en page(s) : pp. [104502/1-6] Note générale : Physique Langues : Anglais (eng) Mots-clés : Base  convection  Convection-radiation  Step  rectangular  fin  Temperature  dependent  thermal  conductivity Index. décimale : 536 Chaleur. Thermodynamique Résumé : A numerical procedure has been used to study the thermal performance of a step convective-radiative fin with temperature dependent thermal conductivity and convective base heating. An analytical solution has been developed for a pure convective fin with constant thermal conductivity, with its base exposed to a hot fluid. The effects of geometrical and thermophysical parameters on the temperature profiles in the fin, the fin efficiency, and the fin effectiveness are illustrated. The step fin is found to deliver a superior thermal performance compared with the uniformly thick fin. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...] [article] Performance of a convectively heated rectangular fin with a step change in cross-sectional area and losing heat by simultaneous convection and radiation (Step fins under radiation environment) [texte imprimé] / B. Kundu, Auteur ; A. Aziz, Auteur . - 2010 . - pp. [104502/1-6]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 132 N° 10 (Octobre 2010) . - pp. [104502/1-6] Mots-clés : Base  convection  Convection-radiation  Step  rectangular  fin  Temperature  dependent  thermal  conductivity Index. décimale : 536 Chaleur. Thermodynamique Résumé : A numerical procedure has been used to study the thermal performance of a step convective-radiative fin with temperature dependent thermal conductivity and convective base heating. An analytical solution has been developed for a pure convective fin with constant thermal conductivity, with its base exposed to a hot fluid. The effects of geometrical and thermophysical parameters on the temperature profiles in the fin, the fin efficiency, and the fin effectiveness are illustrated. The step fin is found to deliver a superior thermal performance compared with the uniformly thick fin. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...]