Volume 21 Issue 1
Feb.  2006
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XIAO Jun, ZHOU Xin-hai, GU Chuan-gang, DAI Zheng-yuan, WANG Tong. Flutter Analysis of 2-D Cascades under Gas-Solid Coupled Conditions[J]. Journal of Aerospace Power, 2006, 21(1): 106-111.
Citation: XIAO Jun, ZHOU Xin-hai, GU Chuan-gang, DAI Zheng-yuan, WANG Tong. Flutter Analysis of 2-D Cascades under Gas-Solid Coupled Conditions[J]. Journal of Aerospace Power, 2006, 21(1): 106-111.
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Flutter Analysis of 2-D Cascades under Gas-Solid Coupled Conditions

  • 1.

    School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China

  • 2.

    School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China

  • Received Date: 2004-11-18
  • Rev Recd Date: 2005-04-20
  • Publish Date: 2006-02-28
    Abstract
  • The structural dynamic equations for blades were introduced in this paper.Through numerical solving the aerodynamics-structure coupled equations,a 2-D unsteady viscous flow in cascade was investigated under gas-solid coupled conditions,and a preliminary analysis of the cascade flutter was prosecuted.The flows of different reduced frequencies were computed for two blade profiles respectively.By comparing the relative parameters changing with time in the oscillating cascades under different conditions,it indicates that the reduced frequency is an important factor in determining whether the blade flutter onsets or not.

     

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