周向弯曲动叶级间非定常流动的数值研究Numerical Study of Inter-stage Unsteady Flow in Axial Fan with Circumferential Skewed Rotor
段肖珑;欧阳华;吴亚东;杜朝辉;
摘要(Abstract):
以具有不同弯曲参数的周向弯曲动叶和同一径向静叶的组合为研究对象,采用数值计算工具进行了非定常模拟,分析了级间总压的脉动以及脉动的衰减过程;发现周向弯曲有利于级间流动掺混,使流场更均匀。通过相关分析精确捕捉不同周向弯曲动叶尾迹形状、传播过程,揭示出叶片周向弯曲参数和级间旋流对尾迹传播的影响。
关键词(KeyWords): 轴流风扇;弯掠叶片;尾迹;CFD
基金项目(Foundation): 航空科学基金(2007ZB57)
作者(Author): 段肖珑;欧阳华;吴亚东;杜朝辉;
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DOI:
参考文献(References):
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