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轴流涡轮基元级静叶稠度对转静干涉的影响

杨杰 乔渭阳 时培杰 王蒲伟

杨杰, 乔渭阳, 时培杰, 王蒲伟. 轴流涡轮基元级静叶稠度对转静干涉的影响[J]. 航空动力学报, 2012, 27(8): 1832-1840.
引用本文: 杨杰, 乔渭阳, 时培杰, 王蒲伟. 轴流涡轮基元级静叶稠度对转静干涉的影响[J]. 航空动力学报, 2012, 27(8): 1832-1840.
YANG Jie, QIAO Wei-yang, SHI Pei-jie, WANG Pu-wei. Effect of axial turbine element stage stator solidity on rotor-stator interaction[J]. Journal of Aerospace Power, 2012, 27(8): 1832-1840.
Citation: YANG Jie, QIAO Wei-yang, SHI Pei-jie, WANG Pu-wei. Effect of axial turbine element stage stator solidity on rotor-stator interaction[J]. Journal of Aerospace Power, 2012, 27(8): 1832-1840.

轴流涡轮基元级静叶稠度对转静干涉的影响

Effect of axial turbine element stage stator solidity on rotor-stator interaction

  • 摘要: 对具有不同静叶稠度的轴流涡轮基元级的非定常流动情况进行了数值模拟,考察了静叶稠度对涡轮基元级转子的非定常势干涉、静叶尾迹与动叶的干涉及基元级性能非定常性的影响,探究了静叶稠度对转静干涉的影响机制.研究结果表明:当静叶稠度增加时,转子的非定常势干涉在上游静子中的扰动强度增加,但衰减加快,传播范围变短;静叶稠度的改变通过引起静叶尾迹的强弱、尾迹与动叶干涉的频率和动叶通道中的流动状态的变化来改变尾迹干涉的强弱;进而通过尾迹干涉强弱的改变影响基元级性能的非定常性.

     

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  • 收稿日期:  2011-09-27
  • 刊出日期:  2012-08-28

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