单桩式潮流能水轮机局部冲刷发展规律实验研究

梁智超; 魏茂兴; 潘佳佳

doi:10.19912/j.0254-0096.tynxb.2025-0009

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单桩式潮流能水轮机局部冲刷发展规律实验研究

更新时间：2026-07-21

- 单桩式潮流能水轮机局部冲刷发展规律实验研究
- Vol. 47, Issue 5, Pages: 438-443(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2025-0009
  CLC： TV148
- Online First：04 June 2026，
  
  Published：2026
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梁智超, 魏茂兴, 潘佳佳. 单桩式潮流能水轮机局部冲刷发展规律实验研究[J]. 2026, 47(5): 438-443.
DOI：

梁智超, 魏茂兴, 潘佳佳. 单桩式潮流能水轮机局部冲刷发展规律实验研究[J]. 2026, 47(5): 438-443. DOI： 10.19912/j.0254-0096.tynxb.2025-0009.

摘要

为研究潮流能水轮机的局部冲刷发展规律

通过系列水槽实验

对比分析水轮机与单桩冲刷的异同

重点探讨桩柱、机舱和叶轮等结构组件对水轮机冲刷发展的影响机理。研究结果表明：水轮机冲刷过程初期

冲刷深度增长速率和冲刷剖面发展较后续其他阶段更为迅速;冲刷发展前期

水轮机的冲刷深度大于单桩冲刷

后期两者差异逐渐缩小;水轮机与同桩径的单桩相比

平衡状态的最大冲刷深度差异较小

前者的平衡最大冲深约为后者的110.9%

且其下游形成的淤积体体积更大。

Abstract

This study experimentally investigates the local scour process around a pile-supported tidal stream turbine. The research examines the temporal evolution of scour patterns

comparing turbine-induced scour with traditional monopile scour

while analyzing the distinct contributions of structural components （pile

nacelle

and rotor） to the overall scouring process. Results reveal that the initial scour development around the turbine exhibits accelerated profile evolution and depth progression compared to later stages. The turbine-induced scour depth exceeds that of the monopile during the early phase of the process

though this difference diminishes over time. At equilibrium

the maximum scour depth around the turbine approaches that of an equivalent-diameter monopile

reaching approximately 110% of the monopile scour depth. Notably

the turbine configuration generates a larger downstream sediment mound formation

attributed to the energy extraction process which reduces the flow's momentum and consequently diminishes its sediment transport capacity.

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references

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