A theoretical model for axial heat conduction effects during single-phase flow in microchannels / Ting-Yu Lin in Journal of heat transfer, Vol. 134 N° 2 (Fevrier 2012)  

Public ISBD [article]  inJournal of heat transfer > Vol. 134 N° 2 (Fevrier 2012) . - 06 p. Titre : A theoretical model for axial heat conduction effects during single-phase flow in microchannels Type de document : texte imprimé Auteurs : Ting-Yu Lin, Auteur ; Satish G. Kandlikar, Auteur Année de publication : 2012 Article en page(s) : 06 p. Note générale : Heat transfer Langues : Anglais (eng) Mots-clés : Boundary layers Heat conduction Laminar flow Microchannel Index. décimale : 536 Chaleur. Thermodynamique Résumé : A model is developed to analyze the effect of axial conduction on heat transfer during single-phase flow in microchannels. The axial heat conduction in the wall introduces heat flow toward the inlet section resulting in an increase in the local fluid temperature and a corresponding increase in the wall temperature. Neglecting this effect while reducing the experimental data results in a lower value of the experimental Nusselt number. The model derived in this work takes into account this effect and offers a parameter to estimate the effect introduced by the axial heat conduction effect in the wall. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000134000002 [...] [article] A theoretical model for axial heat conduction effects during single-phase flow in microchannels [texte imprimé] / Ting-Yu Lin, Auteur ; Satish G. Kandlikar, Auteur . - 2012 . - 06 p. Heat transfer Langues : Anglais (eng) in Journal of heat transfer > Vol. 134 N° 2 (Fevrier 2012) . - 06 p. Mots-clés : Boundary layers Heat conduction Laminar flow Microchannel Index. décimale : 536 Chaleur. Thermodynamique Résumé : A model is developed to analyze the effect of axial conduction on heat transfer during single-phase flow in microchannels. The axial heat conduction in the wall introduces heat flow toward the inlet section resulting in an increase in the local fluid temperature and a corresponding increase in the wall temperature. Neglecting this effect while reducing the experimental data results in a lower value of the experimental Nusselt number. The model derived in this work takes into account this effect and offers a parameter to estimate the effect introduced by the axial heat conduction effect in the wall. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000134000002 [...]

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