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基于田口方法与CFD相结合的垂直轴风力机优化研究
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国家自然科学基金项目(51505347);广东省基础与应用基础基金项目(2022A1515140043);广东省教育厅基金项目(2020KTSCX149)


Optimization Study of Vertical Axis Wind Turbine Based on the Combination of Taguchi Method and CFD
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    摘要:

    为了进一步提升垂直轴风力机在低风速复杂城市风场中的捕能效率,采用CFD数值计算和田口试验相结合的方法,研究实度(σ)、桨距角(β)、阻尼(Cd)和密度比(ρ*)对五叶片垂直轴风力机(VAWT)气动性能的影响。将风力机的转动控制方程与流场控制方程联合求解,在数值计算中考虑风力机与流体的相互作用。研究结果表明:实度、桨距角、阻尼和密度比的变化对垂直轴风力机的气动性能有重要影响,在最优的参数组合下,五叶片VAWT的捕能效率可以达到13.537%。此外,通过对田口试验结果的分析,得到所研究的4个特征参数对五叶片VAWT气动性能的影响程度依次为:σ>Cd>β>ρ*。

    Abstract:

    In order to further improve the energy harvesting efficiency of vertical axis wind turbines in complex urban wind farms with low wind speeds,a combination of CFD numerical calculations and Taguchi experiments was used to systematically study the effects of solidity(σ),pitch angle(β),damping(Cd) and density ratio(ρ*) on the aerodynamic performance of a five-blade vertical axis wind turbine(VAWT). The rotational control equations of wind turbine with the control equations of flow field were solved jointly,and the interaction between the wind turbine and the fluid in numerical calculations was considered.The research results show that the change of solidity,pitch angle,damping,and density ratio have a significant impact on the aerodynamic performance of a vertical axis wind turbine.Under the optimal parameter combination,the energy harvesting efficiency of the five-blade VAWT can reach 13.537%.Furthermore,by analyzing the results of the Taguchi test,the influence degree of the four characteristic parameters studied on the aerodynamic performance of wind turbines is as follows:σ>Cd>β>ρ*.

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刘文昊,朱建阳,汪超.基于田口方法与CFD相结合的垂直轴风力机优化研究[J].机床与液压,2024,52(12):134-142.
LIU Wenhao, ZHU Jianyang, WANG Chao. Optimization Study of Vertical Axis Wind Turbine Based on the Combination of Taguchi Method and CFD[J]. Machine Tool & Hydraulics,2024,52(12):134-142

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  • 在线发布日期: 2024-07-05
  • 出版日期: 2024-06-28