Bulging and bending of Kelvin-Helmholtz billows controlled by symmetry and phase of initial perturbation


A computational study of two possible modes of instability of developed KelvinHelmholtz (KH) billows is carried out. It is shown that depending on one of three factors, (i) symmetry of initial perturbation in the cross-flow direction, (ii) phase shift of initial perturbation in the streamwise direction, or (iii) excitation of either spanwise or oblique… (More)

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