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The mixed convective flow produced by a heated sphere in a rotating fluid is studied using higher-order compact scheme (HOCS i.e., of 4th order). The solutions are derived by taking into account the complete Navier-Stokes and energy equations. The results are obtained for low Reynolds numbers \(\text {Re} = 0.12\) and 0.25, while considering variations in the Taylor number (Ta). Streamline patterns are obtained for the mixed convection problem. A Taylor column is noticed in the upstream region for the inverse Rossby number \(1/\text {Ro} \ge 8\) , while a Taylor column found in the upstream region and vortex formation is found in the downstream region with further increase in the inverse Rossby number.

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Mixed Convection Heat Transfer Around a Sphere in a Rotating Fluid

  • 会议论文

  • 发表日期：

    2025年

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  • Madhumita Sahoo,
  • Bapuji Sahoo,
  • T. V. S. Sekhar

摘要

The mixed convective flow produced by a heated sphere in a rotating fluid is studied using higher-order compact scheme (HOCS i.e., of 4th order). The solutions are derived by taking into account the complete Navier-Stokes and energy equations. The results are obtained for low Reynolds numbers \(\text {Re} = 0.12\) and 0.25, while considering variations in the Taylor number (Ta). Streamline patterns are obtained for the mixed convection problem. A Taylor column is noticed in the upstream region for the inverse Rossby number \(1/\text {Ro} \ge 8\) , while a Taylor column found in the upstream region and vortex formation is found in the downstream region with further increase in the inverse Rossby number.