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中文摘要：
该文基于OpenFOAM自由软件包,采用任意网格界面元方法（Arbitrary Mesh Interface Method）对两叶片和三叶片风力机风轮周围流场进行了非定常数值模拟和分析。计算采用非结构化网格和k-？SST湍流模型,分析了多种工况下两叶片和三叶片风力机风轮的气动性能的特点和差异,并计算风力机的轴向推力、扭转力矩、叶片表面压力分布和尾涡等气动力性能参数。该文计算得到的结果可为风力机叶片进行结构有限元分析时,提供重要的风载荷数据,为风力机叶片的设计、改型和研发工作提供详细技术参数。
英文摘要：
The numerical simulation of the unsteady flow around wind turbines with different blades numbers are conducted with the Arbitrary Mesh Interface Method based on the free source OpenFOAM software. The turbulence model k - 09 SST and unstructured grid are chosen to analyze the difference between aerodynamics of two blades and three blades wind turbine under different wind conditions. Detailed numerical results of vortex structure, thrust, torque and pressure distribution of different wind turbine were presented. These results are important to the finite element analysis and the design and research of wind turbines with different blades numbers.
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