Interaction between submarine landslides and suspended pipelines with a streamlined contour
Interaction between submarine landslides and suspended pipelines with a streamlined contour
复制标题
海底滑坡与流线型轮廓的悬空管道之间的相互作用
DOI：
10.1080/1064119x.2017.1362084
复制
发表时间：
2017-09
影响因子：
2.2
通讯作者：
Jia Yong-gang
中科院分区：
文献类型：
--
作者：
Fan Ning;Nian Ting-kai;Jiao Hou-bin;Jia Yong-gang
摘要 近年来，海底管道的安全稳定问题备受海洋工程界的关注。本文设计了具有流线型轮廓（楔形、翼型、双椭圆和弧角六边形）的管道来防御海底滑坡的影响，并采用计算流体动力学（CFD）方法研究了海底滑坡与流线型管道之间的相互作用。结果表明，峰值相互作用力更能代表海底滑坡对管道的危害程度。研究还发现，流线型管道在降低滑坡与管道相互作用的阻力和升力方面具有显着优势，与常规圆形管道相比，最大降低百分比分别为66.32%和40.17%。此外，简要讨论了流线型管道对工程的影响，并根据数值试验结果推荐了估算滑坡引起的流线型管道拖曳力和升力的经验方程。
ABSTRACT Recently, the security and stability of submarine pipelines have attracted much attention in ocean engineering. In this paper, pipelines with a streamlined contour (wedge, airfoil, double-ellipse, and arc-angle hexagon) are designed in hopes of defending against the impact of submarine landslides, and the computational fluid dynamics (CFD) approach is used to investigate the interaction between submarine landslides and streamlined pipelines. The results show that the peak interactional force is more representative of the hazard level of pipelines imposed by submarine landslides. It is also found that the streamlined pipelines possess a significant advantage in reducing the drag force and lift force of landslide–pipeline interaction with a maximum lessening percentage of 66.32 and 40.17%, compared with a conventional circular pipeline. In addition, the influence of applying streamlined pipelines to engineering is briefly discussed, and the empirical equation for estimating the drag force and lift force of streamlined pipelines induced by landslides is recommended based on the numerical test results.
登录
查看更多内容
影响因子：
5
作者：
A. Zakeri;B. Hawlader;Ken Chi
通讯作者：
A. Zakeri;B. Hawlader;Ken Chi
DOI：
10.1061/(asce)ww.1943-5460.0000113
发表时间：
2012-03
期刊：
Journal of Waterway Port Coastal and Ocean Engineering-asce
影响因子：
--
作者：
Sergio Perez-Gruszkiewicz
通讯作者：
Sergio Perez-Gruszkiewicz
DOI：
10.1016/b978-008044381-2.50006-0
发表时间：
2005
期刊：
--
影响因子：
--
作者：
S. Chakrabarti
通讯作者：
S. Chakrabarti
DOI：
10.1007/978-1-4020-6742-6
发表时间：
1956
期刊：
--
影响因子：
--
作者：
C. Jaeger
通讯作者：
C. Jaeger
DOI：
10.3724/sp.j.1261.2015.00071
发表时间：
2015-04
期刊：
Journal of Palaeogeography
影响因子：
--
作者：
G. Shanmugam;Y. Wang
通讯作者：
G. Shanmugam;Y. Wang