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混合微通道中不稳定的广义Couette流

M·L·考兰吉尼 B·K·贾

M·L·考兰吉尼, B·K·贾. 混合微通道中不稳定的广义Couette流[J]. 应用数学和力学, 2011, 32(1): 22-32. doi: 10.3879/j.issn.1000-0887.2011.01.003
引用本文: M·L·考兰吉尼, B·K·贾. 混合微通道中不稳定的广义Couette流[J]. 应用数学和力学, 2011, 32(1): 22-32. doi: 10.3879/j.issn.1000-0887.2011.01.003
M. L. Kaurangini, Basant K. Jha. Unsteady Generalized Couette Flow in Composite Microchannel[J]. Applied Mathematics and Mechanics, 2011, 32(1): 22-32. doi: 10.3879/j.issn.1000-0887.2011.01.003
Citation: M. L. Kaurangini, Basant K. Jha. Unsteady Generalized Couette Flow in Composite Microchannel[J]. Applied Mathematics and Mechanics, 2011, 32(1): 22-32. doi: 10.3879/j.issn.1000-0887.2011.01.003

混合微通道中不稳定的广义Couette流

doi: 10.3879/j.issn.1000-0887.2011.01.003
详细信息
  • 中图分类号: O357.3

Unsteady Generalized Couette Flow in Composite Microchannel

  • 摘要: 在一个平行板通道中,部分充满了均匀的多孔介质,部分为纯流体的流动区,对其微通道中完全发展的不稳定层流进行了数值分析,流动由其中一块板的运动和压力梯度所引起.多孔介质区域的流动,采用扩展的Brinkman模型,即Darcy模型,纯净流动区域的流动,采用Stokes方程.还对稳定的完全发展流进行了理论分析,给出了分界面速度、边界板处的速度和表面摩擦的闭式解.通过数值计算发现,稳定完全发展流的闭式解,和不稳定流动的数值解,在所有时间点上得到很好地吻合.
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出版历程
  • 收稿日期:  2010-08-30
  • 修回日期:  2010-11-22
  • 刊出日期:  2011-01-15

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