Analytical solution for thermally fully developed combined electroosmotic and pressure-driven flows in narrow confinements with thick electrical double layers / Ranabir Dey in Journal of heat transfer, Vol. 133 N° 2 (Fevrier 2011)  

Public ISBD [article]  inJournal of heat transfer > Vol. 133 N° 2 (Fevrier 2011) . - pp. [024503/1-5] Titre : Analytical solution for thermally fully developed combined electroosmotic and pressure-driven flows in narrow confinements with thick electrical double layers Type de document : texte imprimé Auteurs : Ranabir Dey, Auteur ; Debapriya Chakraborty, Auteur ; Suman Chakraborty, Auteur Année de publication : 2011 Article en page(s) : pp. [024503/1-5] Note générale : Physique Langues : Anglais (eng) Mots-clés : Thermally fully developed Narrow confinements Thick electric double layer Viscous dissipation Joule heating Nusselt number Index. décimale : 536 Chaleur. Thermodynamique Résumé : In the present paper, closed form solutions for the Nusselt number are obtained for hydrodynamically and thermally fully developed combined electroosmotic and pressure-driven flows in narrow confinements for the constant wall heat flux boundary condition. Overcoming the constraints of the standard models that are valid only within thin electrical double layer (EDL) limits, the effects of thick electric double layers are accounted for as a distinctive feature of this model. Along with Joule heating, viscous dissipation effects, which are particularly important for ultrathin channel dimensions (typically conforming to the cases of thick EDLs), are taken into account. The results are presented in terms of appropriate nondimensional parameters depicting the relative EDL thickness with respect to the channel height, as well as relative strengths of Joule heating and viscous dissipation effects. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...] [article] Analytical solution for thermally fully developed combined electroosmotic and pressure-driven flows in narrow confinements with thick electrical double layers [texte imprimé] / Ranabir Dey, Auteur ; Debapriya Chakraborty, Auteur ; Suman Chakraborty, Auteur . - 2011 . - pp. [024503/1-5]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 133 N° 2 (Fevrier 2011) . - pp. [024503/1-5] Mots-clés : Thermally fully developed Narrow confinements Thick electric double layer Viscous dissipation Joule heating Nusselt number Index. décimale : 536 Chaleur. Thermodynamique Résumé : In the present paper, closed form solutions for the Nusselt number are obtained for hydrodynamically and thermally fully developed combined electroosmotic and pressure-driven flows in narrow confinements for the constant wall heat flux boundary condition. Overcoming the constraints of the standard models that are valid only within thin electrical double layer (EDL) limits, the effects of thick electric double layers are accounted for as a distinctive feature of this model. Along with Joule heating, viscous dissipation effects, which are particularly important for ultrathin channel dimensions (typically conforming to the cases of thick EDLs), are taken into account. The results are presented in terms of appropriate nondimensional parameters depicting the relative EDL thickness with respect to the channel height, as well as relative strengths of Joule heating and viscous dissipation effects. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...]

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