稳定分层剪切流动湍流特性的数值研究

卢志明; 贾俊梅; 刘宇陆

稳定分层剪切流动湍流特性的数值研究

1.
上海大学, 上海市应用数学和力学研究所, 上海, 200072
2.
内蒙古工业大学数学系, 内蒙古, 呼和浩特, 010051

基金项目: 国家自然科学基金项目(10472063,10442003);上海市重点学科资助项目(Y0103)

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出版历程
- 收稿日期: 2005-06-20
- 修回日期: 2006-05-15

Numerical study of turbulent characteristics in sheared stably stratified flows

1.
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China
2.
Department of Mathematics, Inner Mongolia University of Technology, Huhehaote 010051, China

摘要

摘要: 随着我国沿海经济的迅猛发展,近海海域遭到越来越严重的污染,使海域环境质量明显下降,生态环境日趋恶化,并对生物资源和人体健康产生有害影响.海洋分层环境特征对各类污染物作用的机理和污染物扩散规律研究,对精确预报海洋灾害的发生、发展和应该采取何种防灾减灾工程措施等具有重要意义.海洋中广泛存在密度分层现象,它可由温度分层也可由盐度分层引起.分层流可分为两种类型:一是密度不同的流体有明显的内部分界面,此时我们可以把它看成一个二流体系统(two-layer system),二流体系统中海洋内波问题已有广泛的研究^[1~6];二是密度不同的流体相互掺混形成连续密度梯度分层流.
- 分层流 /
- 混合层 /
- 逆输运 /
- 数值模拟
- stratified flow /
- mixing-layer /
- negative transport /
- numerical simulation

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参考文献(23)

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