Propagation velocity of perturbations in turbulent channel flow (original) (raw)

Physics of Fluids A: Fluid Dynamics, 1993

John Kim

john kim

John Kim

Abstract

A database obtained from direct numerical simulation of a turbulent channel flow is analyzed to extract the streamwise component of the propagation velocity V of velocity, vorticity, and pressure fluctuations from their space‐time correlations. A surprising result is that V is ...

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