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Journal of Computational and Applied Research in Mechanical Engineering - JCARME، جلد ۲، شماره ۲، صفحات ۴۵-۵۷
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عنوان انگلیسی Approximate solution of laminar thermal boundary layer over a thin plate heated from below by convection
چکیده انگلیسی مقاله In this paper, an integration of a symbolic power series method - Padé approximation technique (PS - Padé), was utilized to solve a system of nonlinear differential equations arising from the similarity solution of laminar thermal boundary layer over a flat plate subjected to a convective surface boundary condition. As both boundary conditions tended to infinity, the combination of series solutions with the Padé approximants was used for handling boundary conditions on the semi-infinite domain of solution. The combination of power series and Padé proposed an alternative approach of solution which did not require small parameters and avoided linearization and physically unrealistic assumptions. The results of the present approach were compared with numerical results as well as those of previous works reported in the literature. The obtained results represented remarkable accuracy in comparison with the numerical ones. Finally, reduced Nusselt number, as an important parameter in heat transfer, was calculated by the obtained analytical solution. The present power series-Padé technique was very simple and effective, which could develop a simple analytic solution for flow and heat transfer over the flat plate. The results of the present study could be easily used in practical applications.
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نویسندگان مقاله امین رضا نقره آبادی |
department of mechanical engineering, shahid chamran university of ahvaz, ahvaz, iran
سازمان اصلی تایید شده: دانشگاه شهید چمران (Shahid chamran university)

محمد قلم باز |
department of mechanical engineering, shahid chamran university of ahvaz, ahvaz, iran
سازمان اصلی تایید شده: دانشگاه شهید چمران (Shahid chamran university)

امین صمیمی |
department of mechanical engineering, shahid chamran university of ahvaz, ahvaz, iran
سازمان اصلی تایید شده: دانشگاه شهید چمران (Shahid chamran university)

نشانی اینترنتی http://jcarme.srttu.edu/article_52_74f0d9066aa5fa67b95f956d6512239b.pdf
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