圧力方程式を用いた非定常気泡流の数値解法

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タイトル別名
  • Numerical Method for Bubbly Flows Using the Pressure Equation.
  • アツリョク ホウテイシキ オ モチイタ ヒテイジョウ キホウリュウ ノ スウチ

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説明

Bubbly flows exhibit various structures, such an incompressible or compressible behavior depending on the void fraction. In the present study, a new numerical method is developed for bubbly flows in order to treat the compressibility stably and effectively, by derivation of the pressure equation from the governing equations based on the two-fluid model. By simulations of several different bubbly flows including a transonic flow, it has been shown that the present method is applicable to wide range bubbly flows in compressibility, and also that calculation efficiency and stability are better than the other solver.

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