Kolmogorov-like spectra in decaying three-dimensional supersonic flows

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A numerical simulation of decaying supersonic turbulence using the piecewise parabolic method (PPM) algorithm on a computational mesh of 512 3 zones indicates that, once the solenoidal part of the velocity field, representing vortical motions, is fully developed and has reached a self-similar regime, a velocity spectrum compatible with that predicted by the classical theory of Kolmogorov develops. It is followed by a domain with a shallower spectrum. A convergence study is presented to support these assertions. The formation, structure, and evolution of slip surfaces and vortex tubes are presented in terms of perspective volume renderings of fields in physical space.

Original languageEnglish (US)
Pages (from-to)2133-2142
Number of pages10
JournalPhysics of Fluids
Issue number6
StatePublished - 1994


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