The lattice Boltzmann simulation of the droplet creation in the horizontal stratified two-phase flow

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  • EBIHARA Ken-ichi
    Center for Promotion of Computational Science and Engineering, Japan Atomic Energy Research Institute
  • WATANABE Tadashi
    Center for Promotion of Computational Science and Engineering, Japan Atomic Energy Research Institute

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  • 格子ボルツマン法による水平層状二相流における液滴発生のシミュレーション
  • コウシ ボルツマンホウ ニ ヨル スイヘイ ソウジョウ 2ソウリュウ ニ オケル エキテキ ハッセイ ノ シミュレーション

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Abstract

The lattice Boltzmann method for one-component two-phase fluid is applied to the simulation of the droplet creation in the horizontal stratified two-phase flow. It is observed in several flow states that the droplet tears from the interface wave. The dimensionless numbers that characterize the flow state are also measured during the simulations. After checking the influence of the lattice length and width to the simulation result, the relation between the droplet creation and the measured dimensionless numbers is compared with the inception criteria of the droplet creation that was proposed on the basis of experimental data by Ishii and Grolmes.

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