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Further Results on Nonlinearly Stretching Permeable Sheets: Analytic Solution for MHD Flow and Mass Transfer

机译:非线性拉伸渗透片的进一步结果:MHD流动和传质的解析解决方案

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摘要

The steady magnetohydrodynamic (MHD) flow and mass transfer of an incompressible, viscous, and electrically conducting fluid over a permeable flat surface stretched with nonlinear (quadratic) velocity u_w(x) = ax + c_0x~2 and appropriate wall transpiration is investigated. It is shown that the problem permits an analytical solution for the complete set of equations with magnetic field influences when a fictitious presence of a chemical reaction is considered. Velocity and concentration fields are presented through graphs and discussed. The results for both skin friction coefficient f"(0) and mass transfer gradient c′(0) agree well with numerical results published in the literature.
机译:研究了不可压缩,粘性和导电流体在具有非线性(二次)速度u_w(x)= ax + c_0x〜2并具有适当壁蒸腾作用的可渗透平坦表面上的稳态磁流体力学(MHD)流动和传质。结果表明,当考虑化学反应的虚拟存在时,该问题允许对具有磁场影响的完整方程组进行解析解。速度场和浓度场通过图表显示和讨论。皮肤摩擦系数f“(0)和传质梯度c'(0)的结果与文献中公布的数值结果吻合良好。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第11期|743130.1-743130.18|共18页
  • 作者

    Rafael Cortell;

  • 作者单位

    Departamento de Fisica Aplicada, Escuela Tecnica Superior de Ingenieros de Caminos, Canales y Puertos, Universidad Politecnica de Valencia, 46022 Valencia, Spain;

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  • 正文语种 eng
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