Cattaneo-Christov heat flux model for heat transfer of Marangoni boundary layer flow in a copper-water nanofluid

Xiaoqin Xu; Shumei Chen

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Cattaneo-Christov heat flux model for heat transfer of Marangoni boundary layer flow in a copper-water nanofluid

机译：铜-水纳米流体中Marangoni边界层流传热的Cattaneo-Christov热通量模型

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The Cattaneo-Christov heat flux is first utilized to explore the heat transfer characteristics of Marangoni boundary layer flow in a copper-water nanofluid. The Marangoni boundary layer flow is driven by exponential temperature. Five different types of nanoparticle shapes including sphere, hexahedron, tetrahedron, column and lamina are considered for the copper-water nanofluid. The nonlinear system of partial differential equations is reduced by similarity transformations and then solved numerically by the shooting method. It is found that sphere nanoparticle has better heat transfer enhancement than other nanoparticle shapes and both the temperature and the thickness of the thermal boundary layer are lower for the Cattaneo-Christov heat flux model than the classical Fourier's law of heat conduction.

机译：Cattaneo-Christov热通量首先用于探索铜-水纳米流体中Marangoni边界层流的传热特性。 Marangoni边界层的流动由指数温度驱动。对于铜-水纳米流体，考虑了五种不同类型的纳米粒子形状，包括球形，六面体，四面体，圆柱和薄层。通过相似变换来简化偏微分方程的非线性系统，然后通过射击方法进行数值求解。发现球形纳米粒子比其他纳米粒子形状具有更好的传热增强，并且Cattaneo-Christov热通量模型的温度和热边界层厚度都比经典的傅里叶热导定律要低。

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来源
《Heat transfer》 |2017年第8期|1281-1293|共13页
作者
Xiaoqin Xu; Shumei Chen;
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作者单位

School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350116, China,Department of Automobile Application Engineering, Fujian Chuanzheng Communications College, Fuzhou, 350007, China;

School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350116, China;

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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Cattaneo-Christov heat flux model; heat transfer; Marangoni boundary layer; nanofluid; particle shape;

机译：Cattaneo-Christov热通量模型;传播热量;Marangoni边界层;纳米流体颗粒形状;

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Cattaneo-Christov heat flux model for heat transfer of Marangoni boundary layer flow in a copper-water nanofluid

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