Kolmogorov‐like spectra in decaying three‐dimensional supersonic flows
作者： D. H. Porter , A. Pouquet , P. R. Woodward
DOI: 10.1063/1.868217
关键词: Vortex tube 、 Computer simulation 、 Mechanics 、 Supersonic speed 、 Fluid dynamics 、 Solenoidal vector field 、 Shock wave 、 Turbulence 、 Vector field 、 Physics
摘要: A numerical simulation of decaying supersonic turbulence using the piecewise parabolic method (PPM) algorithm on a computational mesh 5123 zones indicates that, once solenoidal part velocity field, representing vortical motions, is fully developed and has reached self‐similar regime, spectrum compatible with that predicted by classical theory Kolmogorov develops. It followed domain shallower spectrum. convergence study presented to support these assertions. The formation, structure, evolution slip surfaces vortex tubes are in terms perspective volume renderings fields physical space.
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