DECAY TURBULENCE OF CAPILLARY WAVES

被引：9
|
作者：
FALKOVICH, GE [1 ]
SHAPIRO, IY [1 ]
SHTILMAN, L [1 ]
机构：
[1] TEL AVIV UNIV,DEPT FLUID MECH & HEAT TRANSFER,IL-69978 TEL AVIV,ISRAEL
来源：
EUROPHYSICS LETTERS | 1995年 / 29卷 / 01期
关键词：
D O I：
10.1209/0295-5075/29/1/001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Evolution of decay turbulence of capillary waves on a deep water is considered in the framework of the isotropic kinetic equation. It is shown that the evolution comprises two stages. During the first stage an arbitrary localized large-scale wave distribution explosively evolves into a small-scale Kolmogorov spectrum. The second stage starts at the moment the Kolmogorov spectrum reaches dissipative scales. The characteristic time of this stage is much longer (up to thousand times) than that of the first one. The energy distribution is close to the Kolmogorov spectrum and decays by a self-similar law.
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页码：1 / 6
页数：6
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