磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解

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磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解

司新辉, 郑连存, 张欣欣, 晁莹

文章导航 > 应用数学和力学 > 2010 > 31(2): 143-149

司新辉, 郑连存, 张欣欣, 晁莹. 磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解[J]. 应用数学和力学, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

引用本文:

司新辉, 郑连存, 张欣欣, 晁莹. 磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解[J]. 应用数学和力学, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

SI Xin-hui, ZHENG Lian-cun, ZHANG Xin-xin, CHAO Ying. Perturbation Solution for Unsteady Flow in a Porous Channel With Expanding or Contracting Walls in the Presence of a Transverse Magnetic Field[J]. Applied Mathematics and Mechanics, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

Citation:

SI Xin-hui, ZHENG Lian-cun, ZHANG Xin-xin, CHAO Ying. Perturbation Solution for Unsteady Flow in a Porous Channel With Expanding or Contracting Walls in the Presence of a Transverse Magnetic Field[J]. Applied Mathematics and Mechanics, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

司新辉, 郑连存, 张欣欣, 晁莹. 磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解[J]. 应用数学和力学, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

引用本文:

司新辉, 郑连存, 张欣欣, 晁莹. 磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解[J]. 应用数学和力学, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

SI Xin-hui, ZHENG Lian-cun, ZHANG Xin-xin, CHAO Ying. Perturbation Solution for Unsteady Flow in a Porous Channel With Expanding or Contracting Walls in the Presence of a Transverse Magnetic Field[J]. Applied Mathematics and Mechanics, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

Citation:

SI Xin-hui, ZHENG Lian-cun, ZHANG Xin-xin, CHAO Ying. Perturbation Solution for Unsteady Flow in a Porous Channel With Expanding or Contracting Walls in the Presence of a Transverse Magnetic Field[J]. Applied Mathematics and Mechanics, 2010, 31(2): 143-149. doi: 10.3879/j.issn.1000-0887.2010.02.003

磁场力作用下胀缩可渗透壁面管道非稳态流动摄动解

doi: 10.3879/j.issn.1000-0887.2010.02.003

1.
北京科技大学应用科学学院,北京 100083;2.北京科技大学机械工程学院,北京 100083;3.防化研究院,北京 102205

作者简介:
司新辉(1978- ),男,山东人,讲师,博士生(联系人.E-mail:sixinhui_ustb@126.com).

中图分类号: O357.1
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- 文章访问数: 1471
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出版历程
- 收稿日期: 1900-01-01
- 修回日期: 2009-11-30
- 刊出日期: 2010-02-15

Perturbation Solution for Unsteady Flow in a Porous Channel With Expanding or Contracting Walls in the Presence of a Transverse Magnetic Field

1.
Applied Science School, University of Science and Technology Beijing, Beijing 100083, P. R. China;

摘要: 分析了磁场力作用下胀缩可渗透管道中的不可压缩流动．应用相似变换，控制方程被转换成非线性常微分方程，得到不同的膨胀率和Hartmann数下的奇异摄动解，并对相关的流动特征进行了详细的分析．
- 可渗透管道 /
- 横向磁场 /
- 胀缩壁面
Abstract: An incom pressible flow in a porous channel with expanding or contacting walls in the presence of a transverse magnetic field was considered.Using similarity transform ations,the governing equations were reduced to nonlinear ordinary differential equations.The exact similarity solutions for values of parameters,expansion ratio and Hartm annn number were obtained by singular perturbation method,and the associated be haviorwas discussed in detail.
- porous channel /
- tran sversem agnetic field /
- expanding or contracting walls

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文章访问数: 1471
HTML全文浏览量: 104
PDF下载量: 717
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