| Effect of internal flow on vortex-induced vibration dynamics of a flexible mining riser in external shear current | |
Duan JL(段金龙)1; Zhou JF(周济福)1,2 ; You, Yunxiang3,4; Wang X(王旭)1
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| Corresponding Author | Zhou, Jifu([email protected]) |
| Source Publication | MARINE STRUCTURES
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| 2021-11-01 | |
| Volume | 80Pages:25 |
| ISSN | 0951-8339 |
| Abstract | Vortex-induced vibration (VIV) of flexible risers with both internal and external flows has received much attention recently. Hence, VIV dynamics of a fluid-conveying flexible riser subjected to external shear current is investigated. The effect of internal flow velocity and fluid density on VIV response is mainly examined and analyzed. A time domain model is introduced and elaborated. Then the finite element method is adopted to discretize the governing equations. Firstly, the model is validated based on the comparison between the numerical and experimental results. Then the influence of the internal flow velocity and fluid density on VIV dynamics is studied. The results show that multi-frequency response occurs when the flexible riser with various internal flow velocities and densities is subjected to external shear current. Under same shear current velocity, the IL mean deflection is enlarged with the increase of the internal flow velocity and fluid density. In addition, the internal flow velocity and fluid density have an evident effect on the vibrating frequency and the root mean square (RMS) displacement in both in-line (IL) and cross-flow (CF) directions. Moreover, mode and frequency transitions can be observed under different internal flow velocities and fluid densities. |
| Keyword | Vortex-induced vibration Internal flow Time domain prediction method External shear current |
| DOI | 10.1016/j.marstruc.2021.103094 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000706130600002 |
| WOS Keyword | PIPES CONVEYING FLUID ; TIME-DOMAIN SIMULATION ; LABORATORY MEASUREMENTS ; CIRCULAR-CYLINDER |
| WOS Research Area | Engineering |
| WOS Subject | Engineering, Marine ; Engineering, Civil |
| Funding Project | National Natural Science Foundation of China[12132018] ; National Natural Science Foundation of China[11972352] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA22040304] |
| Funding Organization | National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences |
| Classification | 一类 |
| Ranking | 1 |
| Contributor | Zhou, Jifu |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/87600 |
| Collection | 流固耦合系统力学重点实验室 |
| Affiliation | 1.Inst Mech, CAS Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 3.Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Shanghai 200240, Peoples R China; 4.Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China |
| Recommended Citation GB/T 7714 | Duan JL,Zhou JF,You, Yunxiang,et al. Effect of internal flow on vortex-induced vibration dynamics of a flexible mining riser in external shear current[J]. MARINE STRUCTURES,2021,80:25.Rp_Au:Zhou, Jifu |
| APA | 段金龙,周济福,You, Yunxiang,&王旭.(2021).Effect of internal flow on vortex-induced vibration dynamics of a flexible mining riser in external shear current.MARINE STRUCTURES,80,25. |
| MLA | 段金龙,et al."Effect of internal flow on vortex-induced vibration dynamics of a flexible mining riser in external shear current".MARINE STRUCTURES 80(2021):25. |
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| Jp2021F543.pdf（21309KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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