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In the present work, the PALM-LES model is employed to study different indoor dispersion problems utilizing a dental treatment room as a test space. With high-resolution modeling, the structured LES solver is applied to different indoor configurations with varying ventilation conditions and room geometries. The aim is to investigate the role of enhanced mixing in indoor dispersion problems. The findings demonstrate that improved mixing lowers overall concentration levels and dilutes local concentration peaks indoors. These positive impacts can be achieved by moderate means, for example by employing a simple table fan.

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Modeling Dispersion by Indoor Turbulence with LES

  • 会议论文

  • 发表日期：

    2025年

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  • Daulet Izbassarov,
  • Mikko Auvinen,
  • Joel Kuula,
  • Antti Hellsten,
  • Ari Karppinen

摘要

In the present work, the PALM-LES model is employed to study different indoor dispersion problems utilizing a dental treatment room as a test space. With high-resolution modeling, the structured LES solver is applied to different indoor configurations with varying ventilation conditions and room geometries. The aim is to investigate the role of enhanced mixing in indoor dispersion problems. The findings demonstrate that improved mixing lowers overall concentration levels and dilutes local concentration peaks indoors. These positive impacts can be achieved by moderate means, for example by employing a simple table fan.