Efficiency comparison between circular and semicircular fins circumscribing circular pipes / R. Chakraborty in Journal of heat transfer, Vol. 133 N° 4 (Avril 2011)  

Public ISBD [article]  inJournal of heat transfer > Vol. 133 N° 4 (Avril 2011) . - pp. [044501/1-4] Titre : Efficiency comparison between circular and semicircular fins circumscribing circular pipes Type de document : texte imprimé Auteurs : R. Chakraborty, Auteur ; A. Sirkar, Auteur Année de publication : 2011 Article en page(s) : pp. [044501/1-4] Note générale : Physique Langues : Anglais (eng) Mots-clés : Semicrircular fin Circular Fin efficiency Index. décimale : 536 Chaleur. Thermodynamique Résumé : A new design of fin has been conceived, which is in the shape of a semicircular strip. A step-by-step straightforward detailed derivation of the governing equations for two-dimensional temperature distribution in a semicircular fin has been presented, assuming a third degree polynomial. Numerical results are presented to illustrate the effects of pipe size and the number of semicircular fins on the thermal performance of the fin. It has been shown mathematically that the efficiency of a semicircular fin can be greater than that of a circular fin, having same total volume of fin material when employed over the circumference of a circular pipe. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&smode=strresults& [...] [article] Efficiency comparison between circular and semicircular fins circumscribing circular pipes [texte imprimé] / R. Chakraborty, Auteur ; A. Sirkar, Auteur . - 2011 . - pp. [044501/1-4]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 133 N° 4 (Avril 2011) . - pp. [044501/1-4] Mots-clés : Semicrircular fin Circular Fin efficiency Index. décimale : 536 Chaleur. Thermodynamique Résumé : A new design of fin has been conceived, which is in the shape of a semicircular strip. A step-by-step straightforward detailed derivation of the governing equations for two-dimensional temperature distribution in a semicircular fin has been presented, assuming a third degree polynomial. Numerical results are presented to illustrate the effects of pipe size and the number of semicircular fins on the thermal performance of the fin. It has been shown mathematically that the efficiency of a semicircular fin can be greater than that of a circular fin, having same total volume of fin material when employed over the circumference of a circular pipe. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&smode=strresults& [...]

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