NUMERICAL SIMULATION OF THE BUBBLY FLOW AROUND A RECTANGULAR CYLINDER BY VORTEX IN CELL METHOD(Multiphase Flow)

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概要

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• The bubbly flow around a square-section cylinder is simulated by the vortex method proposed by the authors in a prior study. The cylinder is located in vertical upward bubbly flow. The Reynolds number based on the width of the cylinder and the water volumetric velocity is 15000. Air bubbles with diameter 1mm are loaded uniformly upstream of the cylinder, and the volumetric fraction α_<g0> ranges from 0 to 0.02. The air volumetric fraction is higher in the wake of the cylinder and reaches its maximum value at the center of the vortices. The vortex shedding frequency, the pressure distribution on the cylinder and the pressure difference between the front and back stagnation points of the cylinder change as function of ago in accordance with the experimental results.

• 一般社団法人日本機械学会の論文
• 2005-10-05

著者

• Uchiyama Tomomi

  Ecotopia Science Institute Nagoya University

• Degawa Tomohiro

  Graduate School of Information Science, Nagoya University

• Degawa Tomohiro

  Graduate School Of Information Science Nagoya University

• Uchiyama Tomomi

  Ecotopia Sci. Inst. Nagoya Univ. Furo-cho Chikusa-ku Nagoya 464-8603 Jpn

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• NUMERICAL SIMULATION OF THE BUBBLY FLOW AROUND A RECTANGULAR CYLINDER BY VORTEX IN CELL METHOD(Multiphase Flow)
• Numerical Simulation for Gas-Liquid Two-Phase Free Turbulent Flow Based on Vortex in Cell Method
• Numerical simulation for the transport of solid particles with a vortex ring

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