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工程力学  2015 

宽高比为5的矩形断面梁气动力展向相关性研究

DOI: 10.6052/j.issn.1000-4750.2014.05.S007, PP. 50-54

Keywords: 矩形断面,气动力,展向相关性,节段模型,风洞试验

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Abstract:

针对宽高比为5的矩形断面梁进行了节段模型测压风洞试验,研究了气动力的展向相关性随展向间距和来流风攻角的变化规律。研究结果表明:气动力的展向相关系数随展向间距的增大而逐渐减小;在同一展向间距下,升力的展向相关系数最大,扭矩的展向相关系数次之,阻力的展向相关系数最小。升力和扭矩的展向相关系数在0°风攻角时最大,且随着风攻角的增大而减小。

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