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首页> 外文期刊>Heat transfer >Free convection and thermal radiation of a nanofluid inside an inclined L-shaped microelectronic module under the Lorentz forces' impact
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Free convection and thermal radiation of a nanofluid inside an inclined L-shaped microelectronic module under the Lorentz forces' impact

机译：在洛伦兹力的影响下，倾斜的L形微电子模块内的纳米流体的自由对流和热辐射

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摘要

This study aims to study numerically the free convection and thermal radiation of an Ag-water nanofluid inside an L-shaped inclined microelectronic module under inclined Lorentz forces and uniform heat generation/absorption effects. The study is established using the software COMSOL Multiphysics based on the finite element method. The main results obtained show that convection heat flow enhances by increasing the Rayleigh number, radiation parameter and nanoparticles shape factor, however, it reduces with increasing the Hartmann number and the aspect ratio. In addition, the presence of uniform heat absorption improves the convection heat flow, by contrast, the presence of uniform heat generation damages this. Besides this, the Lorentz forces' directional impact on the convection heat flow is linked to module inclination. The average Nusselt reaches a maximum for module inclination γ= 45°.
机译：本研究旨在在Lorentz力下的L形倾斜微电子模块内的Ag水纳米流体中的自由对流和热辐射进行数量的自由对流和热辐射，以及均匀的发热/吸收效应。 该研究是使用基于有限元方法的软件COMSOL Multiphysics建立。 获得的主要结果表明，对流热流通过增加瑞利数，辐射参数和纳米颗粒形状因子而增强，然而，随着Hartmann数和纵横比而减少。 另外，均匀吸热的存在改善了对流热流，相比之下，均匀的发热损坏的存在损坏。 除此之外，Lorentz力的对流热流的定向影响与模块倾斜相关联。 模块倾斜γ= 45°的平均纽带达到最大值。

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  • 来源
    《Heat transfer》 |2021年第3期|2849-2873|共25页
  • 作者

    Mohamed Dhia Massoudi; Mohamed Bechir Ben Hamida;

  • 作者单位

    Research Unit of Ionized Backgrounds and Reagents Studies (UEMIR) Preparatory Institute for Engineering Studies of Monastir (IPEIM) Department of Physics University of Monastir Ha'il City Saudi Arabia College of Engineering Department of Mechanical Engineering Al Imam Mohammad Ibn Saud Islamic University Riyadh Saudi Arabia;

    Research Unit of Ionized Backgrounds and Reagents Studies (UEMIR) Preparatory Institute for Engineering Studies of Monastir (IPEIM) Department of Physics University of Monastir Ha'il City Saudi Arabia College of Engineering Department of Mechanical Engineering Al Imam Mohammad Ibn Saud Islamic University Riyadh Saudi Arabia College of Engineering Department of Chemical Engineering University of Ha'il Ha'il City Saudi Arabia Higher School of Sciences and Technology of Hammam Sousse (ESSTHS) Department of Physics University of Sousse Sousse Tunisia;

  • 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

    free convection; Lorentz forces direction; L-shaped module; nanofluid; thermal radiation; uniform heat generation; absorption;

    机译：免费对流;洛伦兹力方向;L形模块;纳米流体;热辐射;均匀的发热;吸收;

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