Investigation of convective heat transfer with liquids in microtubes / Ke-Jun Wu in Industrial & engineering chemistry research, Vol. 51 N° 27 (Juillet 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9386-9395 Titre : Investigation of convective heat transfer with liquids in microtubes Type de document : texte imprimé Auteurs : Ke-Jun Wu, Auteur ; Chun-Xia Zhao, Auteur ; Guo-Hua Xu, Auteur Année de publication : 2012 Article en page(s) : pp. 9386-9395 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Heat transfer Résumé : Convective heat transfer in microtubes has attracted considerable attention for almost three decades. It is well-known that the solid―liquid interfacial tension plays an important role at the micrometer length scale. In this work, the characteristics of convective heat transfer in microtubes with inner diameters ranging from 0.353 to 1.045 mm were investigated; the effects of interfacial tension on heat transfer were also investigated using nine working fluids (including deionized water, 5 wt % ethanol aqueous solution, 50 wt % ethanol aqueous solution, ethanol, ethyl acetate, cyclohexane, n-hexane, cyclohexanone, and cyclopentanone). The experimental results showed that the performance of convective heat transfer of different working fluids in microtubes varied significantly and was different from that in conventional scale tubes. The results were correlated by an empirical correlation, in which the effect of solid―liquid interfacial tension was taken into account. The agreement between the correlation and the experimental data was found to be satisfactory. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26132275 [article] Investigation of convective heat transfer with liquids in microtubes [texte imprimé] / Ke-Jun Wu, Auteur ; Chun-Xia Zhao, Auteur ; Guo-Hua Xu, Auteur . - 2012 . - pp. 9386-9395. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9386-9395 Mots-clés : Heat transfer Résumé : Convective heat transfer in microtubes has attracted considerable attention for almost three decades. It is well-known that the solid―liquid interfacial tension plays an important role at the micrometer length scale. In this work, the characteristics of convective heat transfer in microtubes with inner diameters ranging from 0.353 to 1.045 mm were investigated; the effects of interfacial tension on heat transfer were also investigated using nine working fluids (including deionized water, 5 wt % ethanol aqueous solution, 50 wt % ethanol aqueous solution, ethanol, ethyl acetate, cyclohexane, n-hexane, cyclohexanone, and cyclopentanone). The experimental results showed that the performance of convective heat transfer of different working fluids in microtubes varied significantly and was different from that in conventional scale tubes. The results were correlated by an empirical correlation, in which the effect of solid―liquid interfacial tension was taken into account. The agreement between the correlation and the experimental data was found to be satisfactory. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26132275

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