The unsteady film flow and heat transfer of a Cu-water nanofluid over a flat sheet caused by time-dependent stretching velocity and wall temperature distributions are studied. With the homogenous nanofluid model, the boundary layer equations are reduced to a set of ordinary differential equations with an unknown constant by means of similarity variables. The homotopy analysis method (HAM) is then introduced to give exact solutions. Besides, the effects of φ on the dimensionless thickness β, the velocity and temperature profiles are considered. It is found that the nanofluids can improve heat transfer characteristics to a large extent.


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    Title :

    Boundary-layer flow of a nano-liquid film on an unsteady stretching surface


    Contributors:

    Conference:

    9TH INTERNATIONAL CONFERENCE ON MATHEMATICAL PROBLEMS IN ENGINEERING, AEROSPACE AND SCIENCES: ICNPAA 2012 ; 2012 ; Vienna, Austria


    Published in:

    AIP Conference Proceedings ; 1493 , 1 ; 1103-1107


    Publication date :

    2012-11-06


    Size :

    5 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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