基于水池模型试验的半潜式浮式风机塔筒载荷敏感性分析

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (3) : 9-17.

振动理论与交叉研究

基于水池模型试验的半潜式浮式风机塔筒载荷敏感性分析

郭嘉宁1,2,3,刘明月*1,3,方智超2,陈巍旻2,潘徐杰2

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Sensitivity analysis of tower load on a novel semi-submersible floating wind turbine based on model tests in a wave basin

GUO Jianing1,2,3, LIU Mingyue*1,3, FANG Zhichao2, CHEN Weimin2, PAN Xujie2

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摘要

该文通过在海洋工程水池开展的缩尺比为1∶70的模型试验，对12 MW半潜式浮式风机的塔筒载荷特性进行全面研究。试验结果表明：塔底迎风向弯矩值比同工况中塔顶迎风向弯矩值高10倍以上。波浪载荷对塔底迎风向弯矩响应的动态变化起主导作用，这是由塔底与支撑平台的连接位置所决定的，风主要影响塔底迎风向弯矩的响应均值。同时，气动阻尼效应显著抑制塔顶迎风向弯矩和塔底迎风向弯矩在纵摇及纵荡固有运动频率处的响应。塔顶载荷和塔底载荷中均是波频响应和高频响应占主导地位，当波高增大至108 m时，塔底载荷中波频响应随之增强，但此时塔顶载荷中高频响应仍占据20%以上能量。

Abstract

Here, tower load characteristics of a 12 MW semi-submersible floating wind turbine were studied comprehensively through tests of a model with a scale ratio of 1∶70 in an ocean engineering basin.The test results showed that the windward bending moment at tower bottom is more than 10 times higher than that at tower top under the same working conditions; wave load plays a dominant role in dynamic changes of windward bending moment response at tower bottom, this is depended on the connection position between tower bottom and supporting platform; wind mainly affects the average response of windward bending moment at tower bottom; at the same time, aerodynamic damping effect significantly suppresses responses of windward bending moments of both tower top and tower bottom at natural frequencies of pitch and sway motions; in both tower top load and tower bottom load, wave-frequency responses and high-frequency responses dominate; when wave height increases to 10.8 m, wave-frequency responses in tower bottom load increase accordingly, but on this moment, high-frequency responses in tower top load still occupy more than 20% of energy.

导出引用

郭嘉宁1, 2, 3, 刘明月1, 3, 方智超2, 陈巍旻2, 潘徐杰2. 基于水池模型试验的半潜式浮式风机塔筒载荷敏感性分析[J]. 振动与冲击, 2025, 44(3): 9-17

GUO Jianing1, 2, 3, LIU Mingyue1, 3, FANG Zhichao2, CHEN Weimin2, PAN Xujie2. Sensitivity analysis of tower load on a novel semi-submersible floating wind turbine based on model tests in a wave basin[J]. Journal of Vibration and Shock, 2025, 44(3): 9-17

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