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表面粗糙或带凸起转盘风阻扭矩实验

张达 罗翔 徐国强 田淑青

张达, 罗翔, 徐国强, 等 . 表面粗糙或带凸起转盘风阻扭矩实验[J]. 北京航空航天大学学报, 2014, 40(8): 1055-1059. doi: 10.13700/j.bh.1001-5965.2013.0536
引用本文: 张达, 罗翔, 徐国强, 等 . 表面粗糙或带凸起转盘风阻扭矩实验[J]. 北京航空航天大学学报, 2014, 40(8): 1055-1059. doi: 10.13700/j.bh.1001-5965.2013.0536
Zhang Da, Luo Xiang, Xu Guoqiang, et al. Windage measurements for rotating disc with protrusions[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1055-1059. doi: 10.13700/j.bh.1001-5965.2013.0536(in Chinese)
Citation: Zhang Da, Luo Xiang, Xu Guoqiang, et al. Windage measurements for rotating disc with protrusions[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1055-1059. doi: 10.13700/j.bh.1001-5965.2013.0536(in Chinese)

表面粗糙或带凸起转盘风阻扭矩实验

doi: 10.13700/j.bh.1001-5965.2013.0536
基金项目: 

航空科学基金资助项目(2012ZBN2002)

详细信息
    作者简介:

    张达(1986-),男,辽宁沈阳人,博士生,zhangdamail@gmail.com.

  • 中图分类号: V231.1

Windage measurements for rotating disc with protrusions

  • 摘要: 为研究壁面不同粗糙程度以及带有螺栓等表面凸起的转盘风阻扭矩特性,建立了一个转盘扭矩测量实验台.自由盘测量结果与经典经验关系式较好的符合度验证了测量方法的准确性.分析研究了在不同粗糙度以及附有6种凸起结构的转盘风阻扭矩规律.结果表明,壁面的粗糙会增大转盘受到的扭矩,在所测量旋转雷诺数范围内,从气动光滑一直到粗糙高度0.2 mm,扭矩系数增大1倍.基于气动光滑自由盘经验关系式进一步总结出相对粗糙度对于风阻扭矩的影响系数.对比6种凸起引起的风阻扭矩特性发现,叶型凸起会大幅降低风阻扭矩.凸起安装迎风角度的改变会带来10%的风阻扭矩差别.结合自由光滑盘扭矩系数经验关系式,总结出不同凸起形状对于扭矩系数的影响因数.

     

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出版历程
  • 收稿日期:  2013-09-16
  • 网络出版日期:  2014-08-20

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