Design and Performance Analysis of a Horizontal-axis Ducted Tidal Current Turbine

梅云雷; 荆丰梅; 汲水; 王心如; 陆强

doi:10.13334/j.0258-8013.pcsee.242004

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Design and Performance Analysis of a Horizontal-axis Ducted Tidal Current Turbine

更新时间：2026-02-06

- Design and Performance Analysis of a Horizontal-axis Ducted Tidal Current Turbine
- Vol. 46, Issue 2, Pages: 667-678(2026)
- 作者机构：
  
  1. 华北电力大学新能源学院，北京市昌平区,102206
  2. 北京理工大学机电学院，北京市海淀区,100081
  3. 国家电投集团科学技术研究院有限公司，北京市昌平区,102200
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.242004
  CLC：
- Published：2026
- 稿件说明：
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梅云雷, 荆丰梅, 汲水, et al. Design and Performance Analysis of a Horizontal-axis Ducted Tidal Current Turbine[J]. 2026, 46(2): 667-678.
DOI：

梅云雷, 荆丰梅, 汲水, et al. Design and Performance Analysis of a Horizontal-axis Ducted Tidal Current Turbine[J]. 2026, 46(2): 667-678. DOI： 10.13334/j.0258-8013.pcsee.242004.

摘要

为提高潮流能水轮机在低流速区域中的发电功率，该文采用正交实验和响应面法设计一种相对较短的导管水轮机。通过计算流体动力学(computational fluid dynamics，CFD)方法分析导管长度、扩张角度、轴向位置以及梢部间隙对导管水轮机性能的影响。结果表明，增加导管长度和扩张角度可以显著提高发电功率；叶轮和导管之间存在较强的相互作用，合理配置轴向位置和梢部间隙能够改善导管水轮机的性能；优化后的导管水轮机功率系数提高59.95%，推力系数增加23.14%。流场分析表明，导管水轮机的近场尾流速度亏损更严重，导管脱落涡和叶尖涡的相互作用降低尾流涡带的稳定性，促进尾涡破碎，有利于尾流的速度恢复。研究结果可以为潮流能导管水轮机的结构设计和性能优化提供一定参考。

Abstract

To enhance the generated power of tidal turbine in low-velocity regions

a relatively short ducted tidal current turbine is designed by the orthogonal experiment and response surface method. The effects of duct length

expansion angle

axial position

and tip clearance on the performance of the ducted turbine are analyzed by CFD (computational fluid dynamics) method. The results show that increasing the duct length and expansion angle can significantly increase the power generation. The interaction between rotor and duct is strong

and the reasonable design of axial position and tip clearance can improve the performance of ducted turbine. After optimization

the power coefficient of the ducted turbine is increased by 59.95% and the thrust coefficient is increased by 23.14%. Flow field analysis shows that the near-field wake velocity deficit of the ducted turbine is more serious. The interaction between duct shedding vortex and tip vortex reduces the stability of wake vortex belt

promotes the breaking of wake vortex

and is beneficial to wake velocity recovery. The results can provide references for the structural design and performance optimization of the ducted tidal current turbine.

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