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Research of applying twisted blade in a small contra-rotating HAWT
Author(s): 
Pages: 40-43,49
Year: Issue:  1
Journal: Renewable Energy Resources

Keyword:  风能 对转风轮机 扭曲叶片 数值模拟;
Abstract: 与单叶轮风轮机相比,对转双叶轮风轮机具有更高的风能利用率,文章在直叶片对转风轮机试验研究的基础上,采用数值模拟的方法研究了扭曲叶片对风轮机气动性能的影响规律。计算结果表明,扭曲叶片能在一定程度上提高对转风轮机的性能。当叶轮采用扭曲叶片时,通过模拟扭转角、叶尖速比和来流风速对风轮机输出功率的影响,优化出了进行后续试验研究的前级叶轮设计参数:扭转角θ为15°、叶尖速比λ为0.5。
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