潮流能水轮机两机组尾流相互作用试验

doi:10.3901/JME.2025.16.394

机械工程学报 ›› 2025, Vol. 61 ›› Issue (16): 394-402.doi: 10.3901/JME.2025.16.394

• 交叉与前沿 • 上一篇

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潮流能水轮机两机组尾流相互作用试验

张智¹, 郑源², 刘志强², 王日升³, 臧伟⁴, 李城易⁴

1. 中国长江电力股份有限公司科学技术研究中心宜昌 443002；
2. 河海大学能源与电气学院南京 210098；
3. 山东交通学院交通土建工程学院济南 250357；
4. 河海大学水利水电学院南京 210098

接受日期:2024-08-04 出版日期:2025-03-22 发布日期:2025-03-22
作者简介:张智，男，1994年出生，博士。主要研究方向为海洋能利用与流体机械。E-mail：zhangzhihhu@hhu.edu.cn;郑源(通信作者)，男，1964年出生，博士，教授，博士研究生导师。主要研究方向为流体机械及水利水电工程。E-mail：zhengyuan@hhu.edu.cn
基金资助:
国家重点研发计划政府间国际科技创新合作(2019YFE0105200)和国家自然科学基金(52271275)资助项目

Experimental Study on Wake Interaction between Two Units of Tidal Current Turbine

ZHANG Zhi¹, ZHENG Yuan², LIU Zhiqiang², WANG Risheng³, ZANG Wei⁴, LI Chengyi⁴

1. Science and Technology Research Center, China Yangtze Power Co., Ltd., Yichang 443002;
2. College of Energy and Electricity Engineering, Hohai University, Nanjing 210098;
3. College of Transportation and Civil Engineering, Shandong Jiaotong University, Jinan 250357;
4. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098

Accepted:2024-08-04 Online:2025-03-22 Published:2025-03-22

摘要/Abstract

摘要： 为探究单排两机组不同间距布置下的尾流场特性变化规律，在循环水槽进行潮流能水轮机两机组模型试验，并通过小威龙流速测量仪(Acoustic doppler velocimetry，ADV)测速仪对三个间距布置下的尾流场进行速度测量。试验结果表明：机组近尾流横向分布叶尖位置附近湍流强度较高，上下支撑柱对近尾流垂向分布影响强烈。间距小于2D后相邻尾流出现较明显融合现象，当相邻尾流完全融合后，越小的机组间距会导致越大的尾流速度亏损峰值。不同横向间距布置对两侧水轮机旋转中心线处的尾流垂向分布影响不大，而间距2D时两机组对称中心线处会出现良好的水流加速效果，可在其下游交错布置水轮机加以利用。两机组尾流相互作用试验研究结果可为合理布置多机组阵列提供参考。

关键词: 潮流能水轮机, 横向间距, 模型试验, 速度亏损, 湍流强度

Abstract: In order to study the characteristics of wake field under different spacing of two units in a single row, the model experiment of two units of tidal turbine is carried out in a circulating flume, and the velocity of wake field under three spacing is measured by ADV. The experimental results show that the turbulence intensity near the tip is high and the upper and lower support columns have strong influence on the vertical distribution of the near wake flow. When the spacing is less than 2D, the adjacent wakes appear obvious merge phenomenon. When the adjacent wakes are completely merged, the smaller the unit spacing would lead to the larger the peak value of wake velocity deficit. Different lateral spacing arrangement has little effect on the vertical distribution of the wake flow at the rotating center line of the turbines on both sides. However, when the spacing is 2D, good water flow acceleration effect would appear at the symmetric center line of the two units, which could be utilized by staggering the turbines downstream. The experimental results would provide reference for rational arrangement of tidal turbine array.

Key words: tidal turbine, lateral spacing, model experiment, velocity deficit, turbulence intensity

中图分类号:

张智, 郑源, 刘志强, 王日升, 臧伟, 李城易. 潮流能水轮机两机组尾流相互作用试验[J]. 机械工程学报, 2025, 61(16): 394-402.

ZHANG Zhi, ZHENG Yuan, LIU Zhiqiang, WANG Risheng, ZANG Wei, LI Chengyi. Experimental Study on Wake Interaction between Two Units of Tidal Current Turbine[J]. Journal of Mechanical Engineering, 2025, 61(16): 394-402.

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潮流能水轮机两机组尾流相互作用试验

Experimental Study on Wake Interaction between Two Units of Tidal Current Turbine

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