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Title:
Experimental Study on Vortex-Induced Vibrations of Submarine Pipeline Near Seabed Boundary in Ocean Currents
Author: Yang B(杨兵); Gao FP(高福平); Wu YX(吴应湘); Li DH(李东晖)
Source: China Ocean Engineering
Issued Date: 2006
Volume: 20, Issue:1, Pages:113-121
Abstract: Unlike most previous studies on vortex- induced vibrations of a cylinder far from a boundary, this paper focuses On the influences of close proximity of a submarine pipeline to a rigid seabed boundary upon the dynamic responses of the pipeline in ocean currents. The effects of gap-to-diameter ratio and those of the stability parameter on the amplitude and frequency responses of a pipeline are investigated experimentally with a novel hydro-elastic facility. A comparison is made between the present experimental results Of the amplitude and frequency responses for the pipes with seabed boundary effects and those for wall-free cylinders given by Govardhan and Williamson (2000) and Anand ( 1985). The comparison shows that the close proximity of a pipeline to seabed has much influence on the vortex- induced vibrations of the pipeline. Both the width of the lock-in ranges in terms of V, and the dimensionless amplitude ratio A(max)/D become larger with the decrease of the gap-to-diameter ratio e/D. Moreover, the vibration of the pipeline becomes easier to occur and its amplitude response becomes more intensive with the decrease of the stability parameter, while the pipeline frequency responses are affected slightly by the stability parameter.
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Gao, FP (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
Correspondent Email: fpgao@imech.ac.cn
DOC Type: Article
WOS Subject: Engineering, Civil ; Engineering, Ocean ; Engineering, Mechanical ; Water Resources
WOS Subject Extended: Engineering ; Water Resources
WOS Keyword Plus: FLOW
WOS ID: WOS:000235874000009
ISSN: 0890-5487
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/16755
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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Recommended Citation:
Yang B,Gao FP,Wu YX,et al. Experimental Study on Vortex-Induced Vibrations of Submarine Pipeline Near Seabed Boundary in Ocean Currents[J]. China Ocean Engineering,2006-01-01,20(1):113-121.
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