IMECH-IR  > 力学所知识产出(1956-2008)
单向海流载荷下海底管道局部冲刷试验研究
Alternative TitleEXPERIMENTAL STUDY ON LOCAL SCOUR OF SANDY SEABED UNDER SUBMARINE PIPELINE IN UNIDIRECTIONAL CURRENTS
杨兵; 高福平; 吴应湘
Source Publication工程力学
2008-03-15
Volume25Issue:3Pages:206-210
ISSN1000-4750
Abstract采用量纲分析法建立了海底管道局部冲刷的相似准则,利用模型实验研究了管道局部冲刷的物理过程,以及极限平衡冲刷深度的影响因素。实验观测发现,对于初始嵌入深度较小的管道而言,局部冲刷一般可分为管道悬空、间隙冲刷、尾迹冲刷和平衡冲刷四个特征阶段。在亚临界流动范围内,管道极限平衡冲刷深度与雷诺数的相关性较小。在清水冲刷条件下,无量纲极限平衡冲刷深度随希尔兹数的增加而增大;在所研究的初始间隙比范围内(-0.25〈e_0/D〈0.55),极限平衡冲刷深度与初始间隙比之间大致呈线性递减关系。
Keyword海底管道 局部冲刷 单向海流 砂质海床 冲刷深度
Indexed ByCSCD
Language中文
CSCD IDCSCD:3230626
Citation statistics
Cited Times:7[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/40300
Collection力学所知识产出(1956-2008)
Corresponding Author杨兵
Recommended Citation
GB/T 7714
杨兵,高福平,吴应湘. 单向海流载荷下海底管道局部冲刷试验研究[J]. 工程力学,2008,25,3,:206-210.
APA 杨兵,高福平,&吴应湘.(2008).单向海流载荷下海底管道局部冲刷试验研究.工程力学,25(3),206-210.
MLA 杨兵,et al."单向海流载荷下海底管道局部冲刷试验研究".工程力学 25.3(2008):206-210.
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