NUMERICAL STUDY ON PROPULSIVE PERFORMANCE OF FISH-LIKE SWIMMING FOILS

被引：28
|
作者：
Deng Jian [1 ]
Shao Xue-ming [1 ]
Ren An-lu [1 ]
机构：
[1] Zhejiang Univ, Dept Mech, State Key Lab Fluid Power Transmiss & Control, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF HYDRODYNAMICS | 2006年 / 18卷 / 06期
基金：
中国国家自然科学基金;
关键词：
biomechanics; fish-like swimming; traveling wavy foil; immersed-boundary method;
D O I：
10.1016/S1001-6058(07)60007-9
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Two-dimensional numerical simulations are performed to study the propulsive performance of fish-like swimming foils using the immersed-boundary method. A single fish as well as two fishes in tandem arrangement are studied. First, the effect of the phase speed on the propulsive performance of a single fish is analyzed. The wake structures and pressure distribution near the wavy fish are also examined. The results show good correlation with those by previous researchers. Second, two tandem fishes with the same phase speed and amplitude are studied. The results show that the fish situated directly behind another one endure a higher thrust than that of a single one.
引用
收藏
页码：681 / 687
页数：7
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