Numerical simulation of shock propagation in a polydisperse bubbly liquid

Keita Ando, Tim Colonius, Christopher E. Brennen

研究成果: Article査読

54 被引用数 (Scopus)

抄録

The effect of distributed bubble nuclei sizes on shock propagation in a bubbly liquid is numerically investigated. An ensemble-averaged technique is employed to derive the statistically averaged conservation laws for polydisperse bubbly flows. A finite-volume method is developed to solve the continuum bubbly flow equations coupled to a single-bubble-dynamic equation that incorporates the effects of heat transfer, liquid viscosity and compressibility. The one-dimensional shock computations reveal that the distribution of equilibrium bubble sizes leads to an apparent damping of the averaged shock dynamics due to phase cancellations in oscillations of the different-sized bubbles. If the distribution is sufficiently broad, the phase cancellation effect can dominate over the single-bubble-dynamic dissipation and the averaged shock profile is smoothed out.

本文言語English
ページ(範囲)596-608
ページ数13
ジャーナルInternational Journal of Multiphase Flow
37
6
DOI
出版ステータスPublished - 2011 7
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 物理学および天文学(全般)
  • 流体および伝熱

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