实度对导流罩式水轮机性能影响的数值研究

doi:10.19912/j.0254-0096.tynxb.2020-0234

太阳能学报 ›› 2022, Vol. 43 ›› Issue (2): 69-74.DOI: 10.19912/j.0254-0096.tynxb.2020-0234

实度对导流罩式水轮机性能影响的数值研究

崔宝玉¹, 司先才^1,2, 袁鹏^1,2, 刘永辉¹, 杨洪艳¹, 陈建梅³

1.中国海洋大学工程学院,青岛 266100;
2.青岛市海洋可再生能源重点实验室,青岛 266100;
3.东北师范大学物理学院,长春 130024

收稿日期:2020-03-19 出版日期:2022-02-28 发布日期:2022-08-28
通讯作者: 司先才（1979—）,男,博士、讲师,主要从事海洋可再生能源方面的研究。sixiancai@ouc.edu.cn
基金资助:
国家重点研发计划（2018YFB1501903）; 山东省重点研发计划（2019GGX103012）

NUMERICAL STUDY ON INFLUENCE OF SOLIDITY ON PERFORMANCE OF DUCTED TIDAL TURBINE

Cui Baoyu¹, Si Xiancai^1,2, Yuan Peng^1,2, Liu Yonghui¹, Yang Hongyan¹, Chen Jianmei³

1. College of Engineering, Ocean University of China, Qingdao 266100, China;
2. Qingdao Municipal Key Laboratory of Ocean Renewable Energy, Qingdao 266100, China;
3. College of Physics, Northeast Normal University, Changchun 130024, China

Received:2020-03-19 Online:2022-02-28 Published:2022-08-28

摘要/Abstract

摘要： 为了研究转子密实度对导流罩水轮机的影响,建立导流罩水轮机的三维数值模型,利用CFD方法考察多组不同实度叶片下的导流罩水轮机性能参数和流场流速及压力分布。结果显示,额定流速下叶片实度的改变对导流罩式水轮机的水动力性能产生显著影响,实度增加,最大功率系数下降,且导流罩对涵道内流体的增速作用减弱。

关键词: 潮流能, CFD, 水轮机, 性能系数, 密实度

Abstract: The aim of this study was to investigate the influence of rotor solidity on performance of the ducted tidal turbine. The three-dimensional numerical model of the ducted tidal turbine was established. CFD method was used to investigate the performance parameters, flow field velocity and pressure distribution of the ducted tidal turbine with different solidity blades. By comparing the results, it is showed that variation of blade solidity has significant influence on hydrodynamic performance of ducted turbine working in rated tidal stream velocity. The maximum power coefficient of the turbine decreases with the increase of solidity. Moreover, the ducting effect of the shroud on the fluid velocity growth with the increase of rotor's solidity is weakened.

Key words: tidal power, CFD, tidal turbine, performance coefficient, solidity

中图分类号:

TV213.1

崔宝玉, 司先才, 袁鹏, 刘永辉, 杨洪艳, 陈建梅. 实度对导流罩式水轮机性能影响的数值研究[J]. 太阳能学报, 2022, 43(2): 69-74.

Cui Baoyu, Si Xiancai, Yuan Peng, Liu Yonghui, Yang Hongyan, Chen Jianmei. NUMERICAL STUDY ON INFLUENCE OF SOLIDITY ON PERFORMANCE OF DUCTED TIDAL TURBINE[J]. Acta Energiae Solaris Sinica, 2022, 43(2): 69-74.

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实度对导流罩式水轮机性能影响的数值研究

NUMERICAL STUDY ON INFLUENCE OF SOLIDITY ON PERFORMANCE OF DUCTED TIDAL TURBINE

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