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Numerical simulations of Oldroyd 8-constant fluid flow and heat transfer in a curved channel

机译:弯曲通道内Oldroyd 8常数流体流动和传热的数值模拟

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摘要

A study is carried out to investigate the heat transfer characteristics in peristaltic flow of Oldroyd 8-constant in a curved channel when inertial and streamline-curvature effects are negligible. The solution of resulting nonlinear governing equations is obtained using finite difference technique (FDM) combined with an iterative scheme. The impacts of physical parameters on the flow and heat transfer characteristics is investigated in detail. Particular attention is given to explain the pumping and trapping phenomena in detail. A comparative study between curved and straight channels is also made. It is found that, the rate of heat transfer increases with increasing the curvature of the channel. The current two-dimensional analysis is applicable in bio-fluid mechanics, industrial fluid mechanics, and some of the engineering fields.
机译:当惯性和流线曲率效应可忽略不计时,进行了一项研究,研究了弯曲通道中Oldroyd 8常数在蠕动流中的传热特性。使用有限差分技术(FDM)结合迭代方案,可以得到非线性控制方程的解。详细研究了物理参数对流动和传热特性的影响。特别注意详细解释泵送和捕集现象。还对弯曲通道和笔直通道进行了比较研究。发现,随着通道曲率的增加,传热速率增加。当前的二维分析适用于生物流体力学,工业流体力学以及某些工程领域。

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  • 作者单位

    Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan;

    Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan;

    Theoretical Physics Division, PINSTECH, P.O. Nilore, Islamabad 44000, Pakistan;

    Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan;

    Department of Mathematics, Quaid-I-Azam University, Islamabad 44000, Pakistan,Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21598, Saudi Arabia;

  • 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

    Curved channel; Heat transfer; Modeling; Peristalsis; Oldroyd 8-constant fluid;

    机译:弯曲通道传播热量;造型;蠕虫Oldroyd 8常数油;

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