中国石油大学学报（自然科学版）2012，Vol.36Issue(6)：118-122,5.DOI:10.3969/j.issn.1673-5005.2012.06.022
海底管道局部冲刷数值模拟分析
Numerical simulation analysis of local scour around submarine pipeline
刘延鑫 1王旱祥 1王苗2
作者信息
- 1. 中国石油大学机电工程学院,山东青岛266580
- 2. 胜利勘察设计研究院,山东东营257026
- 折叠
摘要
Abstract
In order to simulate local scour around submarine pipelines, a two dimensional model based on k-e turbulence model was proposed. The changes of flow field, seabed pressure and shear force were simulated by changing flow velocity and impending quantity. The results show that the local scour is more likely to occur with flow velocity increasing. Three vortexes emerge when impending quantity is less than zero, and there is only one vortex when impending quantity is greater than zero. The larger impending quantity, the greater the scour rate when the impending quantity is less than zero. The scour rate is weaker with impending quantity increasing when there is no contact between submarine pipelines and seabed.
关键词
海底管道/数学模型/局部冲刷/数值模拟/机制研究Key words
submarine pipelines/ mathematical model/ local scour/ numerical simulation/ mechanism study分类
海洋科学引用本文复制引用
刘延鑫,王旱祥,王苗..海底管道局部冲刷数值模拟分析[J].中国石油大学学报（自然科学版）,2012,36(6):118-122,5.
