International Journal of Fluid Machinery and Systems

Korean Society for Fluid machinery (한국유체기계학회)
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Phase Resonance in a Centrifugal Compressor

  • Nishiyama, Yumeto (Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University) ;
  • Suzuki, Takayuki (Department of Mechanical Engineering, Kobe-City college of Technology) ;
  • Yonezawa, Koichi (Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University) ;
  • Tanaka, Hiroshi (Toshiba Corporation) ;
  • Doerfler, Peter (R&D Department, Andritz Hydro Ltd.) ;
  • Tsujimoto, Yoshinobu (Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University)
  • Received : 2011.05.20
  • Accepted : 2011.06.24
  • Published : 2011.09.30
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Abstract

Phase resonance in a centrifugal compressor was experimentally observed and simulated with a commercial CFD code. It was found that pressure fluctuation at the volute outlet becomes the maximum when the rotational speed of the modes caused by the rotor-stator interaction agrees with the sound velocity. A simple one-dimensional theory is presented to explain the phase resonance in turbomachinery.

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References

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