留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

叶尖泄漏掺混损失影响因素分析

邵卫卫 季路成 程荣辉 黄伟光

邵卫卫, 季路成, 程荣辉, 黄伟光. 叶尖泄漏掺混损失影响因素分析[J]. 航空动力学报, 2007, 22(10): 1722-1729.
引用本文: 邵卫卫, 季路成, 程荣辉, 黄伟光. 叶尖泄漏掺混损失影响因素分析[J]. 航空动力学报, 2007, 22(10): 1722-1729.
SHAO Wei-wei, JI Lu-cheng, CHENG Rong-hui, HUANG Wei-guang. Analysis of influential factors to tip leakage mixing loss[J]. Journal of Aerospace Power, 2007, 22(10): 1722-1729.
Citation: SHAO Wei-wei, JI Lu-cheng, CHENG Rong-hui, HUANG Wei-guang. Analysis of influential factors to tip leakage mixing loss[J]. Journal of Aerospace Power, 2007, 22(10): 1722-1729.

叶尖泄漏掺混损失影响因素分析

基金项目: 国家自然科学基金资助项目(No.50376062)

Analysis of influential factors to tip leakage mixing loss

  • 摘要: 借鉴Denton不可压叶尖泄漏损失的理论分析,推导出可压缩流动中叶尖泄漏掺混损失基本关系式,其集中反映了尖区叶表压强、叶尖间隙、泄漏流流量系数及总损失系数影响.在仅考虑泄漏掺混损失情况下,数值分析了叶尖基元负荷、间隙、泄漏流量系数整体水平及其弦向分布等因素对叶尖泄漏掺混损失的影响.结果展示了各因素对叶尖泄漏掺混损失的作用及机理.最后提出一个重要的组合参数,反映了叶片尖部载荷和叶尖间隙的流向分布对叶尖泄漏掺混损失的综合影响.

     

  • [1] Schaub U W,Vlasic E,Moustapha S H.Effect of tip clearance on the performance of a highly loaded turbine stage[R].AGARD-CP-537,1993.
    [2] Smith G D J,Cumpsty N A.Flow phenomena in compressor casing treatment[J].ASME Journal of Engineering for Gas Turbines and Power,1984,106(3):532-541.
    [3] Wisler D C.Loss reduction in axial flow compressors through low-speed model testing[J].ASME Journal of Turbomachinery,1985,107(2):354-363.
    [4] Booth T C.Importance of tip clearance flows in turbine design[C]∥Tip Clearance Effects in Axial Turbomachines.VKI Lectures Series 1985-05.
    [5] Bindon J P.The measurement and formation of tip clearance loss[J].ASME Journal of Turbomachinery,1989,111(2):257-263.
    [6] Lakshminarayana B,Horlock J.Secondary and leakage flow in turbomachines[J].Int.J.of Mechanical Sciences,1963,5(1):287-307.
    [7] Denton J D.Loss mechanisms in turbomachines[J].ASME Journal of Turbomachinery,1993,115(3):621-656.
    [8] Betz A.Hydraulische probleme[R].V.D.I.Verlag,1926.
    [9] Storer J A,Cumpsty N A.Tip leakage flow in axial compressors[J].ASME Journal of Turbomachinery,1991,113(2):252-259.
    [10] Rains D A.Tip clearance flows in axial flow compressors and pumps[R].California Institute of Technology Hydrodynamics Laboratory Report 5,1954.
    [11] Storer J A.Tip clearance flow in axial compressors[D].Ph.D Thesis,Cambridge University,1991.
  • 加载中
计量
  • 文章访问数:  1496
  • HTML浏览量:  2
  • PDF量:  477
  • 被引次数: 0
出版历程
  • 收稿日期:  2006-09-21
  • 修回日期:  2007-01-11
  • 刊出日期:  2007-10-28

目录

    /

    返回文章
    返回