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Experimental Study Of Vortex-Induced Vibrations Of A Cylinder Near A Rigid Plane Boundary In Steady Flow | |
Yang B(杨兵); Gao FP(高福平); Jeng DS; Wu YX(吴应湘); Yang B | |
发表期刊 | Acta Mechanica Sinica |
2009 | |
页码 | 51-63 |
ISSN | 0567-7718 |
摘要 | In this study, the vortex-induced vibrations of a cylinder near a rigid plane boundary in a steady flow are studied experimentally. The phenomenon of vortex-induced vibrations of the cylinder near the rigid plane boundary is reproduced in the flume. The vortex shedding frequency and mode are also measured by the methods of hot film velocimeter and hydrogen bubbles. A parametric study is carried out to investigate the influences of reduced velocity, gap-to-diameter ratio, stability parameter and mass ratio on the amplitude and frequency responses of the cylinder. Experimental results indicate: (1) the Strouhal number (St) is around 0.2 for the stationary cylinder near a plane boundary in the sub-critical flow regime; (2) with increasing gap-to-diameter ratio (e (0)/D), the amplitude ratio (A/D) gets larger but frequency ratio (f/f (n) ) has a slight variation for the case of larger values of e (0)/D (e (0)/D > 0.66 in this study); (3) there is a clear difference of amplitude and frequency responses of the cylinder between the larger gap-to-diameter ratios (e (0)/D > 0.66) and the smaller ones (e (0)/D < 0.3); (4) the vibration of the cylinder is easier to occur and the range of vibration in terms of V (r) number becomes more extensive with decrease of the stability parameter, but the frequency response is affected slightly by the stability parameter; (5) with decreasing mass ratio, the width of the lock-in ranges in terms of V (r) and the frequency ratio (f/f (n) ) become larger. |
关键词 | Vortex-induced Vibration Cylinder Near a Plane Boundary Steady Flow Vortex Shedding Very-low Mass Circular-cylinder Fluid Forces Cross-flow Dynamics Model |
DOI | 10.1007/s10409-008-0221-7 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000262825000006 |
关键词[WOS] | VERY-LOW MASS ; CIRCULAR-CYLINDER ; FLUID FORCES ; CROSS-FLOW ; DYNAMICS ; MODEL |
WOS研究方向 | Engineering ; Mechanics |
WOS类目 | Engineering, Mechanical ; Mechanics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/26686 |
专题 | 水动力学与海洋工程重点实验室(2009-2011) |
通讯作者 | Yang B |
推荐引用方式 GB/T 7714 | Yang B,Gao FP,Jeng DS,et al. Experimental Study Of Vortex-Induced Vibrations Of A Cylinder Near A Rigid Plane Boundary In Steady Flow[J]. Acta Mechanica Sinica,2009:51-63. |
APA | 杨兵,高福平,Jeng DS,吴应湘,&Yang B.(2009).Experimental Study Of Vortex-Induced Vibrations Of A Cylinder Near A Rigid Plane Boundary In Steady Flow.Acta Mechanica Sinica,51-63. |
MLA | 杨兵,et al."Experimental Study Of Vortex-Induced Vibrations Of A Cylinder Near A Rigid Plane Boundary In Steady Flow".Acta Mechanica Sinica (2009):51-63. |
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