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This study aims to investigate the unsteady flow of a square vessel equipped with a Rushton turbine under unsteady flow conditions. Three turbulence models are compared. In fact, LES model provides the most detailed representation. However, it is computationally expensive. The RNG k-ε model offers a reasonable compromise between accuracy and computational efficiency. The standard k-ε model, while computationally efficient leading to less accurate results.

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Comparison Between the Turbulent Models for Instantaneous Study

  • 会议论文

  • 发表日期：

    2025年

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  • Bilel Ben Amira,
  • Mariem Ammar,
  • Makram Maaloul,
  • Zied Driss,
  • Mohammed Salah Abid

摘要

This study aims to investigate the unsteady flow of a square vessel equipped with a Rushton turbine under unsteady flow conditions. Three turbulence models are compared. In fact, LES model provides the most detailed representation. However, it is computationally expensive. The RNG k-ε model offers a reasonable compromise between accuracy and computational efficiency. The standard k-ε model, while computationally efficient leading to less accurate results.