Experimental Study on Local Scour at the Monopile Foundation of an Offshore Wind Turbine under the Combined Action of Wave-Current-Vibration

被引：2

作者：

Shi, Li ^{[1
]}

Cheng, Yongzhou ^{[1
,2
]}

Zheng, Yuwei ^{[1
]}

Xia, Bo ^{[1
]}

Huang, Xiaoyun ^{[1
]}

机构：

[1] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China

[2] Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China

来源：

JOURNAL OF MARINE SCIENCE AND ENGINEERING | 2024年 / 12卷 / 06期

基金：

中国国家自然科学基金;

关键词：

wave-current-vibration interaction; offshore wind turbine; monopile; local scour; empirical formula; PILE; UNCERTAINTIES; FLUIDIZATION; BEHAVIOR; DIAMETER; DESIGN;

D O I：

10.3390/jmse12060963

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

Monopile foundations are the most widely used offshore wind turbine foundations. The experiments were conducted to investigate the influencing factors of local scour around the monopile under the action of wave-current-vibration. The study analyzed the characteristics of local scour, including the maximum scour depth, the development of scour hole shape, and the shape of the scour hole profile. The dimensionless influencing factors (vibration intensity, Froude number, Keulegan-Carpenter number, and combined wave-current parameter) are subsequently analyzed. An empirical formula is developed to predict the local scour depth of a monopile under the combined influence of wave-current-vibration. The formula provides a theoretical underpinning for engineering design.

引用

页数：23

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