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Onset of triply diffusive convection in a Maxwell fluid saturated porous layer

机译：麦克斯韦流体饱和多孔层中三重扩散对流的开始

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摘要

The linear stability of triply diffusive convection in a binary Maxwell fluid saturated porous layer is investigated. Applying the normal mode method theory, the criterion for the onset of stationary and oscillatory convection is obtained. The modified Darcy-Maxwell model is used as the analysis model, this allows us to make a thorough investigation of the processes of viscoelasticity and diffusions that causes the convection to set in through oscillatory rather than stationary. The effects of Vadasz number, normalized porosity parameter, relaxation parameter, Lewis number and solute Rayleigh number on the system are presented numerically and graphically.
机译：研究了二元麦克斯韦流体饱和多孔层中三重扩散对流的线性稳定性。应用标准模态理论，得出了平稳对流和振荡对流发生的判据。修改后的Darcy-Maxwell模型用作分析模型，这使我们可以对粘弹性和扩散过程进行彻底研究，这些过程会导致对流通过振荡而不是平稳地进入。数值和图形地表示了瓦达兹数，归一化孔隙率参数，弛豫参数，路易斯数和溶质瑞利数对系统的影响。

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  • 来源
    《Applied Mathematical Modelling》 |2014年第10期|2345-2352|共8页
  • 作者

    Moli Zhao; Shaowei Wang; Qiangyong Zhang;

  • 作者单位

    Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, PR China ,Department of Engineering Mechanics, School of Civil Engineering, Shandong University, Jinan 250061, Shandong, PR China;

    Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, PR China ,Department of Engineering Mechanics, School of Civil Engineering, Shandong University, Jinan 250061, Shandong, PR China;

    Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Triply diffusive convection; Linear stability; The normal model; Maxwell fluid; Relaxation time;

    机译：三重扩散对流;线性稳定性;普通模型;麦克斯韦流体;休息时间;

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