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首页> 中文期刊> 《中国物理快报：英文版》 >Fully Developed Convective Heat Transfer of Power Law Fluids in a Circular Tube

Fully Developed Convective Heat Transfer of Power Law Fluids in a Circular Tube

         
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摘要

We present a theoretical analysis for fully developed convective heat transfer in a circular tube for power law fluids by assuming that the thermal diffusivity is a function of temperature gradient.The analytical solution is obtained and the heat transfer behaviour is investigated under a constant heat flux boundary condition.It is shown that the Nusselt number strongly depends on the value of power law index n.The Nusselt number sharply decreases in the range of 0＜n＜0.1.However.for n＞0.5.the Nusselt number decreases monotonically with the increasing n,and for n＞20,the values of Nusselt number approach a constant.

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  • 来源
    《中国物理快报：英文版》 |2008年第1期|195-197|共3页
  • 作者

    ZHENG Lian-Cun; ZHANG Xin-Xin; MA Lian-Xi;

  • 作者单位

    Department of Mathematics and Mechanics,University of Science and Technology Beijing,Beijing 100083;

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

    Department of Physics,Texas A & M University,College Station,Texas 77843-4242,USA;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 物理学;
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