Role of tip leakage vortex breakdown in compressor rotor aerodynamics

Masato Furukawa, Masahiro Inoue, Kazuhisa Saiki, Kazutoyo Yamada

Research output: Contribution to journalConference articlepeer-review

8 Citations (Scopus)


The breakdown of tip leakage vortex was examined on a low-speed axial compressor rotor with moderate blade loading. Effects of the breakdown on the rotor aerodynamics were elucidated by Navier-Stokes flow simulations and visualization techniques. The leakage vortex breakdown were observed inside the rotor at a lower flow rate than the peak pressure rise operating condition. The breakdown was characterized by the existence of the stagnation point followed by a bubble-like recirculating region. The onset of breakdown resulted to large expansion of the vortex and disappearance of the streamwise vorticity concentrated in the vortex.

Original languageEnglish
JournalAmerican Society of Mechanical Engineers (Paper)
Issue numberGT
Publication statusPublished - 1998
EventProceedings of the 1998 International Gas Turbine & Aeroengine Congress & Exhibition - Stockholm, Sweden
Duration: Jun 2 1998Jun 5 1998

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering


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