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Applied Mathematics and Mechanics (English Edition) ›› 1996, Vol. 17 ›› Issue (7): 597-606.

• 论文 •    下一篇

ATOMIZATION OF A LIQUID DROP BY PULSATION

林松飘1, 周哲玮2   

  1. 1. Department of Mechanical and Aeronautical Engineering Clarkson University, Potsdam, NY 13699, U. S. A;
    2. Shanghai University; Shanghai Institute of Applied Mathematics and Mechanics, Shanghai 200072, P. R. China
  • 收稿日期:1995-05-20 出版日期:1996-07-18 发布日期:1996-07-18

ATOMIZATION OF A LIQUID DROP BY PULSATION

S. P. Lin1, Z. W. Zhou2   

  1. 1. Department of Mechanical and Aeronautical Engineering Clarkson University, Potsdam, NY 13699, U. S. A;
    2. Shanghai University; Shanghai Institute of Applied Mathematics and Mechanics, Shanghai 200072, P. R. China
  • Received:1995-05-20 Online:1996-07-18 Published:1996-07-18

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摘要： By using stability analysis, it is shown that a spherical drop can be resonated parametrically to initiate the formation of droplets of diameters much smaller than that of the original drop. Both the surface tension and the density of the surrounding gas tend to retard this atomization process. The interfacial instability associated with the D'Alembert apparent body force in two superposed flat fluid layers is shown to be closely related to the interfacial instability caused by parametric resonance.

关键词: atomization, instability, parametric resonance

Abstract: By using stability analysis, it is shown that a spherical drop can be resonated parametrically to initiate the formation of droplets of diameters much smaller than that of the original drop. Both the surface tension and the density of the surrounding gas tend to retard this atomization process. The interfacial instability associated with the D'Alembert apparent body force in two superposed flat fluid layers is shown to be closely related to the interfacial instability caused by parametric resonance.

Key words: atomization, instability, parametric resonance

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