Numerical Simulation of Separated Unsteady Flows of Viscous Compressible Gas

  • V. M. Paskonov
  • M. S. Artamonova
Conference paper
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)


The unsteady flow of the compressible viscous gas past two coaxial cylinders put together (Fig. 1) is investigated using the implicit iterative scheme [1] for full unsteady Navier-Stokes equations. It is shown that the flow picture in the recirculation region depends on the amplitude and the frequency of the oscillations of freestream parameters. The critical value of amplitude is determined at which the recirculation flow is destroyed. The aerodynamic performances are determined as the functions of the parameters governing the unsteady process in the freestream.


Unsteady Flow Strouhal Number Recirculation Region Aerodynamic Performance Recirculation Flow 
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Copyright information

© Springer-Verlag, Berlin Heidelberg 1991

Authors and Affiliations

  • V. M. Paskonov
    • 1
  • M. S. Artamonova
    • 1
  1. 1.Computer Science DepartmentMoscow UniversityUSSR

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