A Study of the Effect of Twisted Impeller on the Performance of Resistance Pipeline Turbine

Cai Jiayi; Cheng Siyuan; He Jinhan; Yang Xuerong

doi:10.12052/gdutxb.240149

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A Study of the Effect of Twisted Impeller on the Performance of Resistance Pipeline Turbine

更新时间：2026-05-27

- A Study of the Effect of Twisted Impeller on the Performance of Resistance Pipeline Turbine
- Vol. 42, Issue 3, Pages: 86-91(2025)
- 作者机构：
  
  广东工业大学机电工程学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.240149
  CLC： TK737
- Published：2025
- 稿件说明：
移动端阅览
蔡家铱, 成思源, 何金翰, 等. 扭转式叶轮对阻力式管道水轮机的性能影响研究[J]. 广东工业大学学报, 2025, 42(3): 86–91.

Cai Jiayi, Cheng Siyuan, He Jinhan, et al. A Study of the Effect of Twisted Impeller on the Performance of Resistance Pipeline Turbine[J]. 2025, 42(3): 86-91.
蔡家铱, 成思源, 何金翰, 等. 扭转式叶轮对阻力式管道水轮机的性能影响研究[J]. 广东工业大学学报, 2025, 42(3): 86–91. DOI： 10.12052/gdutxb.240149

Cai Jiayi, Cheng Siyuan, He Jinhan, et al. A Study of the Effect of Twisted Impeller on the Performance of Resistance Pipeline Turbine[J]. 2025, 42(3): 86-91. DOI： 10.12052/gdutxb.240149.

摘要

叶轮是水轮机的核心部件，叶轮的叶片形状对水轮机性能有着较大的影响。为提升管道式水轮机的发电性能，提出一种叶轮叶片扭转的阻力式管道水轮机，并采用数值模拟的方法，探究扭转角对叶轮性能参数的影响。研究结果表明：在叶尖速比为2以及管道流速为1.5 m/s的情况下，在所分析的0°~45°九组叶轮中，静态力矩在27°之内都有不同程度的提升，而效率与输出功率会随扭转角度的增加有一定程度下降；扭转角为10°的叶轮能在保持水头损失、输出功率和效率略有降低的情况下，使静力矩提升22.37%。通过对叶轮扭转来增加叶轮的静态输出力矩可以提高叶轮的启动效率，研究结果可为阻力式管道水轮机的叶轮优化设计提供参考。

Abstract

The impeller is the core component of the hydraulic turbine

and its blade shape significantly affects the performance of the hydraulic turbine. To enhance the power generation efficiency of pipeline turbines

a resistance pipeline hydraulic turbine with twisted impeller blades was proposed

and a numerical simulation was used to investigate the influence of twist angle on the impeller’s performance parameters in the water supply pipeline. The study results reveal that: in the case of the blade tip speed ratio of 2 and the pipeline flow velocity of 1.5 m/s

in the nine groups of impellers analysed from 0° to 45°

as the twist angle increases

both efficiency and output power decrease

but the static moment increases to different degrees within 27°

and the impeller with the torsion angle of 10° can increase the static moment by 22.37% while keeping the head loss

output power and efficiency basically unchanged. Increasing the static output moment of the impeller by twisting the impeller can improve the starting efficiency of the impeller

and the findings of this study can serve as a reference for optimizing the resistance pipeline turbine impeller design.

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references

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