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Shock/Vortex Interaction and Vortex-Breakdown Modes

  • O. A. Kandil
  • H. A. Kandil
  • C. H. Liu
Conference paper
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)

Summary

Computational simulation and study of shock/vortex interaction and vortex-breakdown modes are considered for bound (internal) and unbound (external) flow domains. The problem is formulated using the unsteady, compressible, full Navier-Stokes (NS) equations which are solved using an implicit, flux-difference splitting, finite-volume scheme. For the bound flow domain, a supersonic swirling flow is considered in a configured circular duct and the problem is solved for quasi-axisymmetric and three-dimensional flows. For the unbound domain, a supersonic swirling flow issued from a nozzle into a uniform supersonic flow of lower Mach number is considered for quasi-axisymmetric and three-dimensional flows. The results show several modes of breakdown; e.g., no-breakdown, transient single-bubble breakdown, transient multi-bubble breakdown, periodic multi-bubble multi-frequency breakdown and helical breakdown.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • O. A. Kandil
    • 1
  • H. A. Kandil
    • 1
  • C. H. Liu
    • 2
  1. 1.Dept. of Mechanical Engineering and MechanicsOld Dominion UniversityNorfolkUSA
  2. 2.Theoretical Flow Physics Br.NASA LangleyHamptonUSA

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