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This study implements lattice Boltzmann method-based large eddy simulation (LBM-LES) in a high Rayleigh number turbulent flow of a wall-heated room to validate the prediction accuracy. The impacts of grid resolutions, fluid wall boundary conditions, discrete time intervals, and temperature discrete velocity schemes are discussed.

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Lattice Boltzmann Method-Based Large-Eddy Simulation of Natural-Convective Indoor Turbulent Flow

  • 会议论文

  • 发表日期：

    2025年

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  • Mengtao Han,
  • Hideki Kikumoto,
  • Ryozo Ooka

摘要

This study implements lattice Boltzmann method-based large eddy simulation (LBM-LES) in a high Rayleigh number turbulent flow of a wall-heated room to validate the prediction accuracy. The impacts of grid resolutions, fluid wall boundary conditions, discrete time intervals, and temperature discrete velocity schemes are discussed.