Effect of pin density on heat-mass transfer and fluid flow at low reynolds numbers in minichannels / N. K. C. Selvarasu in Journal of heat transfer, Vol. 132 N° 6 (Juin 2010)  

Public ISBD [article]  inJournal of heat transfer > Vol. 132 N° 6 (Juin 2010) . - pp. [061702-1/8] Titre : Effect of pin density on heat-mass transfer and fluid flow at low reynolds numbers in minichannels Type de document : texte imprimé Auteurs : N. K. C. Selvarasu, Auteur ; Danesh K. Tafti, Auteur ; Neal E. Blackwell, Auteur Article en page(s) : pp. [061702-1/8] Note générale : Physique Langues : Anglais (eng) Mots-clés : Heat transfer Pin fins Low Reynolds number Thermal performance Entropy generation minimization (EGM) Minichannels Index. décimale : 536 Chaleur. Thermodynamique Résumé : Previous investigations on the performance of straight pins, pins with tip clearance, and profiled fins showed that closely packed cylindrical pin fins are very competitive with the modified pins. Therefore, the objective of this paper is to investigate the effect of pin density on performance. Steady/time-dependent calculations are performed to investigate the effect of pin density on friction and heat transfer. Pins packed at distances of SD=1.1, 1.2, 1.3, 1.4, 1.5, 2.0, 2.5, and 3 pin diameters (D) are investigated for 10200, SD=1.3, 1.4, and 1.5 are the most suitable, with the least entropy generation observed at SD=1.4. At ReD DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...] [article] Effect of pin density on heat-mass transfer and fluid flow at low reynolds numbers in minichannels [texte imprimé] / N. K. C. Selvarasu, Auteur ; Danesh K. Tafti, Auteur ; Neal E. Blackwell, Auteur . - pp. [061702-1/8]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 132 N° 6 (Juin 2010) . - pp. [061702-1/8] Mots-clés : Heat transfer Pin fins Low Reynolds number Thermal performance Entropy generation minimization (EGM) Minichannels Index. décimale : 536 Chaleur. Thermodynamique Résumé : Previous investigations on the performance of straight pins, pins with tip clearance, and profiled fins showed that closely packed cylindrical pin fins are very competitive with the modified pins. Therefore, the objective of this paper is to investigate the effect of pin density on performance. Steady/time-dependent calculations are performed to investigate the effect of pin density on friction and heat transfer. Pins packed at distances of SD=1.1, 1.2, 1.3, 1.4, 1.5, 2.0, 2.5, and 3 pin diameters (D) are investigated for 10200, SD=1.3, 1.4, and 1.5 are the most suitable, with the least entropy generation observed at SD=1.4. At ReD DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...]

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