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首页> 外文期刊>International Journal of Heat and Mass Transfer >Mixed convection flow in a channel with slip in a porous medium saturated with a nanofluid containing both nanoparticles and microorganisms
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Mixed convection flow in a channel with slip in a porous medium saturated with a nanofluid containing both nanoparticles and microorganisms

机译：通道中的混合对流在含纳米颗粒和微生物的纳米流体饱和的多孔介质中滑移

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摘要

The fully developed mixed convection channel flow in a porous medium saturated with a nanofluid in suspension of nanoparticles and microorganisms driven by its upper moving stripy wall is investigated. By a set of similarity variables, we reduce the governing equations of the conservation of total mass, momentum, thermal energy, nanoparticle volume fraction and microorganisms to four coupled nonlinear ordinary differential equations. The accurate solutions are obtained analytically. Besides, effects of physical parameters on important physical quantities are examined and discussed in detail. The transport mechanism of heat and mass due to the permeability, the slip parameter, the thermophoresis and Brownian diffusions, as well as the bioconvection diffusion is presented. As far as we know, the channel flow of a nanofluid with accelerating wall(s) is not yet considered before. Hence this investigation is original and new. It is expected that the current analysis can be applied in the petroleum engineering where nanoparticles and microorganisms play a role on exploitation efficiency enhancement and energy conservation.
机译：研究了在纳米流体和微生物悬浮液中由纳米流体饱和的多孔介质中充分发展的混合对流通道流，其中纳米颗粒和微生物的悬浮液由其上部移动的条纹壁驱动。通过一组相似变量，我们将总质量，动量，热能，纳米颗粒体积分数和微生物守恒的控制方程简化为四个耦合的非线性常微分方程。可以通过分析获得准确的解决方案。此外，还详细讨论了物理参数对重要物理量的影响。提出了由于渗透率，滑动参数，热泳和布朗扩散以及生物对流扩散而引起的热量和质量的传输机制。据我们所知，以前尚未考虑具有加速壁的纳米流体的通道流动。因此，这项调查是新颖的。可以预期的是，当前的分析可以应用于石油工程中，其中纳米颗粒和微生物在提高开采效率和节约能源方面发挥着作用。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2018年第10期|1043-1053|共11页
  • 作者

    Hang Xu; Jifeng Cui;

  • 作者单位

    Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration (CISSE), State Key Lab of Ocean Engineering, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University;

    Department of Mathematics, Inner Mongolia University of Technology;

  • 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

    Nanofluid flow; Channel; Mixed convection; Slip; Porous medium;

    机译：纳流;通道;混合对流;滑移;多孔介质;

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