垂直轴潮流能水轮机设计及水动力性能分析

邹淑云; 黄杨成; 刘忠; ZOU Shuyun; HUANG Yangcheng; LIU Zhong

doi:10.16513/j.cnki.10-1427/tk.2017.06.004

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分布式能源 ›› 2017, Vol. 2 ›› Issue (6) : 21-25. DOI: 10.16513/j.cnki.10-1427/tk.2017.06.004

垂直轴潮流能水轮机设计及水动力性能分析

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Design and Hydrodynamic Performance Analysis of Vertical Axis Tidal Current Turbines

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摘要

To compare the hydrodynamic performance of vertical axis tidal current turbines with different structures, this paper designed the structural parameters of three-blade single-row-vane type and six-blade double-row-vane type vertical axis turbines. We analyzed the 2D low fields of single-row-vane type and double-row-vane type vertical axis tidal current turbines under special rotation angle by using CFD software, and compared the pressure cloud diagram and velocity field diagram. The results show that the resultant pressure of the blade of double-row-vane type hydro turbine is greater than that of single-row-vane type at the design flow rate 2.5 m/s. The self-starting performance of double-row-vane type hydro turbine is better than that of single-row-vane type. But blades in double-row-vane type turbine will introduce flow field interference when the rotation angle of the axis is 0 and 60 degrees. And disjointed and disordered wake flows arise on the blades of double-row-vane type turbine when the rotation angle of the axis is 30 and 90 degrees.

关键词

潮流能 / 垂直轴水轮机 / 自启动性能 / 单列叶片式 / 双列叶片式 / tidal current energy / vertical axis hydro turbine / self-starting performance / single-row-vane type / double-row-vane type

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邹淑云, 黄杨成, 刘忠, 等. Design and Hydrodynamic Performance Analysis of Vertical Axis Tidal Current Turbines[J]. 分布式能源. 2017, 2(6): 21-25 https://doi.org/10.16513/j.cnki.10-1427/tk.2017.06.004

[J]. Distributed Energy Resources. 2017, 2(6): 21-25 https://doi.org/10.16513/j.cnki.10-1427/tk.2017.06.004

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