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在柱坐标系下研究由拉伸缸引起的Casson纳米流体流动与传热传质现象

许晓勤 陈淑梅

许晓勤, 陈淑梅. 在柱坐标系下研究由拉伸缸引起的Casson纳米流体流动与传热传质现象[J]. 应用数学和力学, 2016, 37(9): 969-980. doi: 10.21656/1000-0887.370091
引用本文: 许晓勤, 陈淑梅. 在柱坐标系下研究由拉伸缸引起的Casson纳米流体流动与传热传质现象[J]. 应用数学和力学, 2016, 37(9): 969-980. doi: 10.21656/1000-0887.370091
XU Xiao-qin, CHEN Shu-mei. Heat and Mass Transfer in the Casson Nanofluid Flow Over a Stretching Cylinder in Cylindrical Coordinates[J]. Applied Mathematics and Mechanics, 2016, 37(9): 969-980. doi: 10.21656/1000-0887.370091
Citation: XU Xiao-qin, CHEN Shu-mei. Heat and Mass Transfer in the Casson Nanofluid Flow Over a Stretching Cylinder in Cylindrical Coordinates[J]. Applied Mathematics and Mechanics, 2016, 37(9): 969-980. doi: 10.21656/1000-0887.370091

在柱坐标系下研究由拉伸缸引起的Casson纳米流体流动与传热传质现象

doi: 10.21656/1000-0887.370091
基金项目: 2012年度中央财政支持地方高校发展专项资金(闽教财[2012]788号)
详细信息
    作者简介:

    许晓勤(1981—),女,讲师,博士生(通讯作者. E-mail: m140210004@fzu.edu.cn);陈淑梅(1960—),女,教授,博士生导师.

  • 中图分类号: O351.2

Heat and Mass Transfer in the Casson Nanofluid Flow Over a Stretching Cylinder in Cylindrical Coordinates

  • 摘要: 首次利用柱坐标研究速度滑移和对流表面边界条件下,由拉伸缸引起的稳态层流Casson纳米流体流动、传热及传质现象.采用恰当的相似变换将偏微分控制方程转化为高阶非线性耦合常微分方程,并通过打靶法进行数值求解,图示并详细分析了不同物理参数对速度、温度及浓度分布的影响.结果显示,速度受滑移参数的影响较大,温度和浓度分别受Biot数和Lewis数的影响较大;随着Casson参数的增大,速度下降而温度和浓度都增加;温度随着Brown(布朗)运动参数或热泳参数的增加而上升;浓度随着Brown运动参数的增大而减小,随着热泳参数的增大而增大,当热泳参数较大时,浓度出现了“回流”现象.
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出版历程
  • 收稿日期:  2016-03-29
  • 修回日期:  2016-05-31
  • 刊出日期:  2016-09-15

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