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    Effect of Fluctuating surface heat and mass flux on natural convection flow along a vertical flat plate

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    Date
    2015
    Publisher
    © 2015 Hindawi Publishing Corporation
    Author
    Hussain, Sharmina
    Roy, Nepal Chandra
    Hossain, Md. Anwar
    Saha, Suvash Chandra
    Metadata
    Show full item record
    URI
    http://hdl.handle.net/10361/7224
    Citation
    Hussain, S., Roy, N. C., Hossain, M. A., & Saha, S. C. (2015). Effect of fluctuating surface heat and mass flux on natural convection flow along a vertical flat plate. Mathematical Problems in Engineering, 2015 doi:10.1155/2015/258016
    Abstract
    An investigation has been carried on double diffusive effect on boundary layer flow due to small amplitude oscillation in surface heat and mass flux. Extensive parametric simulations were performed in order to elucidate the effects of some important parameters, that is, Prandtl number, Schmidt number, and Buoyancy ratio parameter on flow field in conjunction with heat and mass transfer. Asymptotic solutions for low and high frequencies are obtained for the conveniently transformed governing coupled equations. Solutions are also obtained for wide ranged value of the frequency parameters. Comparisons between the asymptotic and wide ranged values are made in terms of the amplitudes and phases of the shear stress, surface heat transfer, and surface mass transfer. It has been found that the amplitudes and phase angles obtained from asymptotic solutions are found in good agreement with the finite difference solutions obtained for wide ranged value of the frequency parameter.
    Keywords
    Engineering controlled terms; Boundary layer flow; Boundary layers; Heat transfer; Mass transfer; Natural convection; Oscillating flow
     
    Description
    This article was published in the Mathematical Problems in Engineering [ © 2015 Sharmina Hussain et al. ] and the definite version is available at :http://dx.doi.org/10.1155/2015/258016. The Journal's website is at: https://www.hindawi.com/journals/mpe/2015/258016/
    Publisher Link
    https://www.hindawi.com/journals/mpe/2015/258016/
    DOI
    http://dx.doi.org/10.1155/2015/258016
    Department
    Department of Mathematics and Natural Sciences, BRAC University
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