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Scaling analysis of the unsteady natural convection boundary layer adjacent to an inclined plate for Pr > 1 following instantaneous heating / Suvash C. Saha in Journal of heat transfer, Vol. 133 N° 11 (Novembre 2011) 

Public ISBD [article]  in Journal of heat transfer > Vol. 133 N° 11 (Novembre 2011) . - pp. [112501/1-9] Titre : Scaling analysis of the unsteady natural convection boundary layer adjacent to an inclined plate for Pr > 1 following instantaneous heating Type de document : texte imprimé Auteurs : Suvash C. Saha, Auteur ; Feng Xu, Auteur ; Md Mamun Molla, Auteur Année de publication : 2012 Article en page(s) : pp. [112501/1-9] Note générale : Physique Langues : Anglais (eng) Mots-clés : Boundary  layers  Flow  simulation  Integral  equations  Natural  convection  Navier-Stokes  equations  Numerical  analysis Index. décimale : 536 Chaleur. Thermodynamique Résumé : The unsteady natural convection boundary layer adjacent to an instantaneously heated inclined plate is investigated using an improved scaling analysis and direct numerical simulations. The development of the unsteady natural convection boundary layer following instantaneous heating may be classified into three distinct stages including a start-up stage, a transitional stage, and a steady state stage, which can be clearly identified in the analytical and numerical results. Major scaling relations of the velocity and thicknesses and the flow development time of the natural convection boundary layer are obtained using triple-layer integral solutions and verified by direct numerical simulations over a wide range of flow parameters. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000133000011 [...] [article] Scaling analysis of the unsteady natural convection boundary layer adjacent to an inclined plate for Pr > 1 following instantaneous heating [texte imprimé] / Suvash C. Saha, Auteur ; Feng Xu, Auteur ; Md Mamun Molla, Auteur . - 2012 . - pp. [112501/1-9]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 133 N° 11 (Novembre 2011) . - pp. [112501/1-9] Mots-clés : Boundary  layers  Flow  simulation  Integral  equations  Natural  convection  Navier-Stokes  equations  Numerical  analysis Index. décimale : 536 Chaleur. Thermodynamique Résumé : The unsteady natural convection boundary layer adjacent to an instantaneously heated inclined plate is investigated using an improved scaling analysis and direct numerical simulations. The development of the unsteady natural convection boundary layer following instantaneous heating may be classified into three distinct stages including a start-up stage, a transitional stage, and a steady state stage, which can be clearly identified in the analytical and numerical results. Major scaling relations of the velocity and thicknesses and the flow development time of the natural convection boundary layer are obtained using triple-layer integral solutions and verified by direct numerical simulations over a wide range of flow parameters. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000133000011 [...]