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首页> 外文期刊>International Journal of Heat and Mass Transfer >A mixed convection flow and heat transfer of pseudo-plastic power law nanofluids past a stretching vertical plate
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A mixed convection flow and heat transfer of pseudo-plastic power law nanofluids past a stretching vertical plate

机译：拟塑性幂律纳米流体经过拉伸垂直板的混合对流和传热

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摘要

A mixed convection flow and heat transfer of pseudo-plastic power law nanofluid past a stretching vertical plate is investigated. Three types of nano-particles, such as copper (Cu), aluminum oxide (Al_2O_3) and titanium oxide (TiO_2), are considered. The generalized Fourier law proposed by Zheng for varying thermal conductivity of nanofluids, which is dependent on the power law of velocity gradient as well as the nano-particles property, is taken into account. Dual solutions are obtained by Bvp4c with Matlab. The stability of the solution also is discussed by introducing the unsteady governing equations. Furthermore, a new interesting phenomenon is found: the local Nusselt number do not maintain the similar characteristics of Newtonian fluid near the point where the velocity ratio is equal to 0.5.
机译：研究了拟塑性幂律纳米流体通过拉伸垂直板的混合对流和传热。考虑了三种类型的纳米粒子，例如铜（Cu），氧化铝（Al_2O_3）和二氧化钛（TiO_2）。考虑到郑提出的用于改变纳米流体导热系数的广义傅里叶定律，该定律取决于速度梯度的幂定律以及纳米粒子的性质。使用Matlab的Bvp4c获得双重解决方案。还通过引入非稳态控制方程来讨论解决方案的稳定性。此外，发现了一个新的有趣现象：在速度比等于0.5的点附近，局部Nusselt数未保持牛顿流体的相似特性。

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  • 来源
  • 作者

    Xinhui Si; Haozhe Li; Liancun Zheng; Yanan Shen; Xinxin Zhang;

  • 作者单位

    School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;

    School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;

    School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;

    School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;

    School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, 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

    Power law nanofluids; Dual solutions; Stability; Bvp4c;

    机译：幂律纳米流体;双重解决方案;稳定性;Bvp4c;

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