Direct numerical simulations of turbulent supersonic axisymmetric wakes

  • Richard D. Sandberg
Part of the ERCOFTAC Series book series (ERCO, volume 15)


Over the last decades, there has been considerable interest in supersonic axisymmetric wakes, or base flows. Initially, the motivation of the research was to gain a better understanding of the dynamics of supersonic turbulent flows, and to devise methods for drag reduction. Later, base flows were frequently chosen as a challenging test case for numerical simulations, mainly due to the availability of reliable data from carefully conducted base flow experiments (e.g. Herrin & Dutton, (1989)), and the fact that a complex flow is generated by a relatively simple geometry, facilitating grid generation. Furthermore, the failure of early RANS calculations to capture some of the characteristic properties of the flow, e.g. a flat base pressure distribution (Sahu et al., 1985), motivated studies employing various RANS and hybrid RANS/LES turbulence models.


Direct Numerical Simulation Drag Reduction Approach Boundary Layer Base Corner Initial Shear Layer 
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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Aerodynamics and Flight Mechanics Research Group, School of Engineering SciencesUniversity of SouthamptonSouthamptonUK

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