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Air-water two-phase flow over a cylinder is investigated numerically. The two-dimensional simulation using a six-equation formulation is performed. The Reynolds number \((Re_\infty )\) of the flow is considered to be 100 and 150 for Mach number \((Ma_\infty )\) of 0.1. The droplet size is assumed as \(100 \upmu \) m in diameter, and the droplet volume fraction is varied from 0 to 1%. The results show that increasing the droplet fraction significantly influences the flow regimes. The Strouhal number, lift coefficient, and drag coefficient are affected by the droplet fraction present in the flow.

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Strouhal Number Variation in Multi-phase Flow Past a Cylinder

  • 会议论文

  • 发表日期：

    2025年

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  • Shesh Narayan Dhurandhar,
  • Annie Rose Elizabeth,
  • T. Jayachandran

摘要

Air-water two-phase flow over a cylinder is investigated numerically. The two-dimensional simulation using a six-equation formulation is performed. The Reynolds number \((Re_\infty )\) of the flow is considered to be 100 and 150 for Mach number \((Ma_\infty )\) of 0.1. The droplet size is assumed as \(100 \upmu \) m in diameter, and the droplet volume fraction is varied from 0 to 1%. The results show that increasing the droplet fraction significantly influences the flow regimes. The Strouhal number, lift coefficient, and drag coefficient are affected by the droplet fraction present in the flow.