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首页> 外文期刊>Journal of Heat Transfer >Numerical Solutions of Natural Convection Flow of a Dusty Nanofluid About a Vertical Wavy Truncated Cone
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Numerical Solutions of Natural Convection Flow of a Dusty Nanofluid About a Vertical Wavy Truncated Cone

机译：垂直波浪形截头圆锥形上多尘纳米流体自然对流流动的数值解

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摘要

This paper reports the numerical results for the natural convection flow of a two-phase dusty nanofluid along a vertical wavy frustum of a cone. The general governing equations are transformed into parabolic partial differential equations, which are then solved numerically with the help of implicit finite difference method. Comprehensive flow formations of carrier and dusty phases are given with the aim to predict the behavior of heat and mass transport across the heated wavy frustum of a cone. The effectiveness of utilizing the nanofluids to control skin friction and heat and mass transport is analyzed. The results clearly show that the shape of the waviness changes when nanofluid is considered. It is shown that the modified diffusivity ratio parameter, N_A, extensively promotes rate of mass transfer near the vicinity of the cone, whereas heat transfer rate reduces.
机译：本文报道了两相粉尘纳米流体沿着圆锥体的垂直波状平截头体的自然对流的数值结果。将一般控制方程转换为抛物线偏微分方程，然后借助隐式有限差分法对其进行数值求解。给出了载体相和粉尘相的全面流动形式，目的是预测穿过圆锥形的加热的波浪形截头圆锥体的热量和质量传输的行为。分析了利用纳米流体控制皮肤摩擦以及热量和质量传输的有效性。结果清楚地表明，当考虑纳米流体时，波纹的形状会发生变化。结果表明，修改后的扩散率参数N_A极大地提高了锥体附近的传质速率，而传热速率降低了。

著录项

  • 来源
    《Journal of Heat Transfer》 |2017年第2期|022503.1-022503.11|共11页
  • 作者

    Sadia Siddiqa; Naheed Begum; M. A. Hossain; Rama Subba Reddy Gorla;

  • 作者单位

    Head, Department of Mathematics, COMSATS Institute of Information Technology, Kamra Road, Attack 43600, Pakistan;

    Institute of Applied Mathematics (LSIII), TU Dortmund, Vogelpothsweg 87, Dortmund D-44221, Germany;

    UGC Professor Department of Mathematics, University of Dhaka, Dhaka 1000, Bangladesh;

    Department of Mechanical & Civil Engineering, Purdue University Northwest, Westville, IN 46391;

  • 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

    natural convection; nanofluid; two-phase; dusty fluid; wavy truncated cone;

    机译：自然对流;纳米流体两相尘土飞扬的液体;波浪形截锥;

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