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首页> 外文期刊>Heat transfer >Exploration of irreversibility and thermal motion of a nanoliquid with the Newton boundary condition by using the Darcy-Forchheimer rule
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Exploration of irreversibility and thermal motion of a nanoliquid with the Newton boundary condition by using the Darcy-Forchheimer rule

机译：达西前任规则探讨了牛顿边界条件的纳米喹吖的不可逆性和热运动

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摘要

This study has been conducted to focus on magne-tohydrodynamic flow of a nanoliquid through a mi-crochannel in the presence of a magnetic field. In this article, carbon nanotubes suspended in an aqueous medium were our considered fluid, and we focused on both singlewall and multiwall carbon nanotubes. The numerical calculations have been made via the fourth- and fifth-order Runge-Kutta-Fehlberg method. The flow of the nanoliquid in a microchannel with porosity has been scrutinized with the existence of mutual effects, like, the nanoparticle volume fraction, suction or injection, thermal-dependent heat source, convective boundary conditions, Darcy friction factor, and thermal motion of the nanoparticles. The influence of every major parameter on the profile of momentum, temperature, and entropy generation has been displayed graphically, and we discuss their physical aspects. The numerical outcomes demonstrated that the momentum profile augmented with the buoyancy force, angle of inclination, and Darcy number. Thermal energy was enriched with the heat source parameter, Darcy number, and Hartmann number. The irreversibility rate declined with the volume fraction of nanoparticle and radiation parameter, while it increases with the buoyancy force, Eckert parameter, and Darcy friction factor.
机译：已经进行了该研究，以专注于磁场存在下通过Mi-Crochannel的Magne-toydrodic动态流动。在本文中，悬浮在含水介质中的碳纳米管是我们被认为的流体，并且我们的重点是单壁和多壁碳纳米管。已经通过第四和第五阶runge-Kutta-Fehlberg方法进行了数值计算。通过存在相互效应的存在，如纳米颗粒体积分数，吸入或喷射，热依赖性热源，对流边界条件，达西摩擦因子和热运动，已经仔细地审查了孔隙率的微通道中的流动。纳米粒子。以图形方式显示每个主要参数对动量，温度和熵生成型材的影响，我们讨论了他们的物理方面。数值结果表明，由于浮力，倾斜角和达西数而增强了动量型材。热能富含热源参数，达西数和Hartmann号。纳米粒子和辐射参数的体积分数下降的不可逆性率下降，而它随着浮力力，Eckert参数和达西摩擦因子增加。

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  • 来源
    《Heat transfer》 |2021年第4期|3176-3195|共20页
  • 作者

    B. J. Gireesha; P. Venkatesh; D. O. Soumya;

  • 作者单位

    Department ot PG Studies and Research in Mathematics Kuvempu University Shankaraghatta Shivamogga Karnataka India;

    Department of Mathematics Sahyadri Science College Kuvempu University Shankaraghatta Shivamogga Karnataka India;

    Department ot PG Studies and Research in Mathematics Kuvempu University Shankaraghatta Shivamogga Karnataka India;

  • 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

    carbon nanotubes; entropy generation; microchannel; nanofluid; porous medium; thermal radiation;

    机译：碳纳米管;熵生成;微通道;纳米流体;多孔介质;热辐射;

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