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<p>The present study deals with fluid flow and heat transfer in a microchannel filled with Cu–water nanofluid using a mesoscopic numerical analysis in the slip flow regime. The nanofluid flow is driven along the microchannel by a constant velocity and a low temperature at the inlet. The horizontal walls are linearly heated. The slip velocity and the temperature jump conditions are imposed on the walls. The lattice Boltzmann method was used to solve the obtained governing equation system by means of the SRT–BGK model. Attention was focused on the influence of the emerging parameters such as the Knudsen number (Kn) and Reynolds number (Re) on the hydrodynamic and thermal characteristics throughout this paper. The findings suggest that the studied physical system could have potential applications in cooling electronic devices.</p>

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Lattice Boltzmann Investigation of Fluid Flow and Heat Transfer in a Microexchanger Linearly Heated From its Horizontal Walls

  • 期刊论文

  • 发表日期：

    2026年7月1日

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  • Mokhtar Ferhi,
  • Ridha Djebali

摘要

The present study deals with fluid flow and heat transfer in a microchannel filled with Cu–water nanofluid using a mesoscopic numerical analysis in the slip flow regime. The nanofluid flow is driven along the microchannel by a constant velocity and a low temperature at the inlet. The horizontal walls are linearly heated. The slip velocity and the temperature jump conditions are imposed on the walls. The lattice Boltzmann method was used to solve the obtained governing equation system by means of the SRT–BGK model. Attention was focused on the influence of the emerging parameters such as the Knudsen number (Kn) and Reynolds number (Re) on the hydrodynamic and thermal characteristics throughout this paper. The findings suggest that the studied physical system could have potential applications in cooling electronic devices.