Volume 30 Issue 09
Sep.  2004
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Zhang Dayi, Shi Yajie, Lin Li, et al. Model analysis of bladed disk coupled system of compressor with low aspect ratio[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(09): 808-812. (in Chinese)
Citation: Zhang Dayi, Shi Yajie, Lin Li, et al. Model analysis of bladed disk coupled system of compressor with low aspect ratio[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(09): 808-812. (in Chinese)

Model analysis of bladed disk coupled system of compressor with low aspect ratio

  • Received Date: 02 Jun 2003
  • Publish Date: 30 Sep 2004
  • To study the blade vibration in coupled impellers system, a finite element model in the base sector for a coupled impellers system with low aspect ratio in a compressor was created. A vibration analysis for the coupled system by wave transmittal technique was processed, thus computed the coupled vibration that may occur during operation. The special vibration mode of blades with low aspect ration was figured and the relation between frequency of vibration and rotate speed was developed. The special modes of vibration in the impellers system with low aspect ratio and the relation between frequency of vibration and node lines were pointed out.

     

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