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Numerical Simulation on Ice Accretion Phenomena in Rotor-Stator Interaction Field

[+] Author Affiliations
Ryosuke Hayashi, Makoto Yamamoto

Tokyo University of Science, Tokyo, Japan

Paper No. GT2013-95448, pp. V06AT35A033; 9 pages
  • ASME Turbo Expo 2013: Turbine Technical Conference and Exposition
  • Volume 6A: Turbomachinery
  • San Antonio, Texas, USA, June 3–7, 2013
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5522-5
  • Copyright © 2013 by ASME


Ice accretion is a phenomenon where super-cooled water droplets impinge and accrete on a body. On a jet engine, ice accretion disturbs the inlet flow, and separated ice pieces can damage to the turbine component, which leads to the severe performance degradation. We simulated icing phenomena in a fan rotor-stator interaction field [1]. This study mainly focused on the icing property at the rotor blade, because the maximum ice thickness of the rotor blade is about seven times larger than that of the stator vane. Moreover, in the study, the effect of the tip clearance was neglected because of the computational simplicity. Therefore, in the present study, we simulate icing phenomena in a rotor-stator interaction field, considering the tip clearance, to clarify the effect of the tip clearance on the ice accretion of the stator vane. The numerical results indicate the tip leakage vortex affect the icing phenomenon at the stator vane.

Copyright © 2013 by ASME



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