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小型水平轴风力机叶片仿生设计

, PP. 1495-1501

Keywords: 工程仿生学,风力机,仿生叶片,翼型,气动特性

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Abstract:

为了提高风力机叶片性能,基于家燕翅膀翼型良好的气动特性进行了风力机叶片的仿生设计。采用计算流体动力学,对仿家燕翼型和标准叶片翼型的性能进行模拟和对比,结果表明,仿家燕翼型具有较高升力系数和升阻比。基于家燕翼型进行100W风力机叶片的仿生设计,并对标准100W风力机叶片和仿生设计叶片进行数值模拟和风力机效率实验。结果表明:相比于标准叶片,仿家燕风力机叶片展向位置翼型上下表面压力差有较大提高,能有效提高风力机叶片效率,效率比标准叶片提高25%以上。

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