Online from: 1991
Subject Area: Mechanical & Materials Engineering
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|Title:||Boundary layer flow over a moving surface in a nanofluid beneath a uniform free stream|
|Author(s):||Azizah Mohd Rohni, (Physical Science Division, UUM College of Arts & Sciences, Universiti Utara Malaysia, Sintok, Malaysia), Syakila Ahmad, (School of Mathematical Sciences, Universiti Sains Malaysia, Penang, Malaysia), Ioan Pop, (Faculty of Mathematics, University of Cluj, Cluj, Romania)|
|Citation:||Azizah Mohd Rohni, Syakila Ahmad, Ioan Pop, (2011) "Boundary layer flow over a moving surface in a nanofluid beneath a uniform free stream", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 21 Iss: 7, pp.828 - 846|
|Keywords:||Boundary layer, Flow, Heat transfer, Moving flat plate, Nanofluids, Numerical solution|
|Article type:||Research paper|
|DOI:||10.1108/09615531111162819 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
|Acknowledgements:||This work is supported by the Incentive Grants from Universiti Sains Malaysia. The authors wish to express their very sincere thanks to the reviewers for the valuable comments and suggestions.|
Purpose – The purpose of this paper is to theoretically investigate the steady two-dimensional boundary-layer flow past a moving semi-infinite flat plate in a water-based nanofluid containing three different types of nanoparticles: copper (cuprum) Cu, alumina (aluminium oxide) Al
Design/methodology/approach – A similarity transformation is used to reduce the governing partial differential equations to a set of nonlinear ordinary differential equations which are then solved numerically using Keller-box method.
Findings – There is a region of unique solutions for
Research limitations/implications – The solutions can be obtained up to a certain value of the moving parameter (critical value or turning point). The boundary layer separates from the plate beyond the turning point hence it is not possible to get the solution based on the boundary-layer approximations after this point. To obtain further solutions, the full Navier-Stokes equations have to be solved.
Originality/value – The present results are original and new for the boundary-layer flow and heat transfer of a moving flat plate in a nanofluid. Therefore, this study would be important for the scientists and engineers in order to become familiar with the flow behaviour and properties of such nanofluids, and the way to predict the properties of this flow for the process equipments.
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