Experimental studies on dragon wash phenomena

被引：0
|
作者：
Peng H.W. [1 ]
Yuan H.J. [1 ]
Wang D.J. [1 ]
Chen S.Z. [1 ]
Lee C.B. [1 ]
机构：
[1] Department of Mechanics and Aerospace Engineering, College of Engineering, Peking University, Beijing
来源：
Journal of Hydrodynamics | 2006年 / 18卷 / Suppl 1期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
low frequency; modulation; viscous;
D O I：
10.1007/BF03400495
中图分类号：
学科分类号：
摘要：
The experiment is carried out to study the low frequency surface waves due to the horizontal high frequency excitation. The viscous effect of water was neglected as a first approximation in the earlier papers on this subject. In contrast, we find the viscosity is important to achieve the low frequency water wave with the cooperation of hundreds of “finger” waves. Shadowgraphs have been taken qualitatively using laser sheet and vertical velocities of surface waves have been measured quantitatively by Polytec Scanning Vibrometer. The viscous cooperation effects are shown to be the most important mechanism for the dragon wash phenomena. © 2006, China Ship Scientific Research Center.
引用
收藏
页码：496 / 499
页数：3
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