Volume 30 Issue 11
Nov.  2015
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PAN Tian-yu, HE Lei, WANG Zheng-he, LI Zhi-ping, LI Qiu-shi. Study on the frequency of partial surge and a frequency prediction method[J]. Journal of Aerospace Power, 2015, 30(11): 2666-2672. doi: 10.13224/j.cnki.jasp.2015.11.014
Citation: PAN Tian-yu, HE Lei, WANG Zheng-he, LI Zhi-ping, LI Qiu-shi. Study on the frequency of partial surge and a frequency prediction method[J]. Journal of Aerospace Power, 2015, 30(11): 2666-2672. doi: 10.13224/j.cnki.jasp.2015.11.014

Study on the frequency of partial surge and a frequency prediction method

doi: 10.13224/j.cnki.jasp.2015.11.014
  • Received Date: 2014-04-14
  • Publish Date: 2015-11-28
  • Partial surge was kind of axisymmetric, low-frequency, hub region initiated disturbance by experimental investigations in a transonic compressor. In term of physical mechanisms, partial surge was much similar to an oscillation in a Helmholtz system. By Duct-Compressor-Plenum model, the Helmholtz frequency of the system was estimated, which was very close to the frequency of partial surge. To further verify this link between the frequency of partial surge and the Helmholtz frequency, experimental investigations were carried out with variation of specific parameters of the Helmholtz system. The results present that the frequency of partial surge varies with the Helmholtz frequency of the system. And the values of both frequency are very close. Therefore, the frequency of partial surge is determined by the Helmholtz frequency of the system.

     

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