When nearshore and landing pipelines are exposed on sea bed the vortex area is formed around the naked pipeline under wave action. There is an erosive hole in vortex area. In this paper, it is given to calculating formulas for the depth and length of the erosive hole from analysis of vortex intensity and demonstrating physical meaning of formulas. A simple calculation method is provided for engineering practice with the formulas.
机构:
Qingdao Municipal Transport Dev Ctr, Qingdao 266071, Peoples R ChinaShandong Univ Sci & Technol, Coll Ocean Sci & Engn, Qingdao 266590, Peoples R China
机构:
Key Laboratory of Estuary and Coast of Zhejiang Province, Zhejiang Institute of Hydraulics and Estuary, Hangzhou,310020, China
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou,310058, ChinaKey Laboratory of Estuary and Coast of Zhejiang Province, Zhejiang Institute of Hydraulics and Estuary, Hangzhou,310020, China
Zhang, Zhiyong
Liu, Guangsheng
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机构:
Key Laboratory of Estuary and Coast of Zhejiang Province, Zhejiang Institute of Hydraulics and Estuary, Hangzhou,310020, ChinaKey Laboratory of Estuary and Coast of Zhejiang Province, Zhejiang Institute of Hydraulics and Estuary, Hangzhou,310020, China
Liu, Guangsheng
Zeng, Jian
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机构:
Key Laboratory of Estuary and Coast of Zhejiang Province, Zhejiang Institute of Hydraulics and Estuary, Hangzhou,310020, ChinaKey Laboratory of Estuary and Coast of Zhejiang Province, Zhejiang Institute of Hydraulics and Estuary, Hangzhou,310020, China