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In the present work, a numerical investigation of a square skewed cavity with an open top is performed. The results reveal the presence of mild convective motion around the upper corner of a cavity for low Rayleigh numbers. Formation of conduction layers is also found indicating conductive heat flow through fluid layers. Temperature gradient and stratified layers interaction govern the onset of natural convection. The numerical simulation is performed for the different skewness at angles of 30°, 45°, and 60°. Among these three angles, the intermediate skewness gives better results in terms of the local Nusselt number.

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Numerical Investigation of Onset of Natural Convection in a Skewed Cavity

  • 会议论文

  • 发表日期：

    2025年

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  • Akash Jadhav,
  • Devendra Raut,
  • Vilas R. Kalamkar

摘要

In the present work, a numerical investigation of a square skewed cavity with an open top is performed. The results reveal the presence of mild convective motion around the upper corner of a cavity for low Rayleigh numbers. Formation of conduction layers is also found indicating conductive heat flow through fluid layers. Temperature gradient and stratified layers interaction govern the onset of natural convection. The numerical simulation is performed for the different skewness at angles of 30°, 45°, and 60°. Among these three angles, the intermediate skewness gives better results in terms of the local Nusselt number.