| 液滴的脉动雾化 |
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| 引用本文： | 林松飘 周哲玮. 液滴的脉动雾化[J]. 应用数学和力学, 1996, 17(7): 569-576 |
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| 作者姓名： | 林松飘 周哲玮 |
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| 作者单位： | 1.美国克拉克森大学 波茨坦 纽约 13699; |
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| 摘 要： | 应用稳定性分析,本文显示一球形液滴可以由参数共振而促使形成比原液滴直径小得多的小微滴。表面张力和周围气体的密度将延缓这一雾化过程。与达朗伯表观体力有关的两重迭平面流体层的界面不稳定性与参数共振引起的界面不稳定性有着密切的关系。
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| 关 键 词： | 雾化 不稳定性 参数共振 |
| 收稿时间： | 1995-05-20 |
Atomization of a Liquid Drop by Pulsation |
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| S. P. Lin. Atomization of a Liquid Drop by Pulsation[J]. Applied Mathematics and Mechanics, 1996, 17(7): 569-576 |
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| Authors: | S. P. Lin |
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| Affiliation: | 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 |
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| Abstract: | By use of stability analysis, it is shown that a spherical drop can be resontedparametrically to initiate the formation of droplets of diameters much smallerthan those of the original drop. Both the surface tension and the density ofthe surrounding gas tend to retard this atomization process. The interfacialinstability associated with the D'Alembert apparent body force in two superposed flat layers is shown to be closely related to the interfacial instabilitycaused by -parametr ic resonance. |
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| Keywords: | atomization instability. parametric resonance |
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