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Journal of Porous Media
IF: 1.49 5-Year IF: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v18.i1.10
pages 1-14

EFFECT OF MULTIPLE SLIPS AND DISSIPATION ON BOUNDARY LAYER FLOW OF NANOFLUID FLOW OVER A POROUS FLAT PLATE IN POROUS MEDIA

Waqar A. Khan
Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1 Canada
Mohammed Jashim Uddin
School of Mathematical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia; Department of Mathematics, American International University-Bangladesh, Banani, Dhaka 1213, Bangladesh
Ahmad I. Md. Ismail
School of Mathematical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia

ABSTRACT

The two-dimensional steady laminar convective boundary layer flow of Cu-water and Ag-water nanofluids past a permeable moving semi-infinite flat plate is studied by combined similarity-numerical technique. The homogeneous fluid model is employed which assumes heat transfer enhancement due to the higher thermal conductivity only. No effects of thermophoresis and Brownian motion are included in this model. It is assumed that the plate is subjected to velocity, thermal, and mass slip boundary conditions. The governing boundary layer equations are converted into similarity equations using suitable similarity transformations. The dimensionless velocity, temperature, and concentration profiles as well as friction factor, heat transfer rates, and mass transfer rates are presented graphically and discussed. It is found that the controlling parameters strongly affect the fluid flow and heat transfer characteristics. A close agreement between our results and published results is obtained.


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