Abstract

Flow structure in a turbulent double-cavity flow was reported previously by Goltsman et al. (Physics of Fluids (2019) 31:6) as part I. The results of harmonic frequency analysis of the flow regimes in double symmetric cavities for a wide range of shape factor and Reynolds number based on the cavity length were obtained experimentally and numerically. The frequencies and amplitudes of the main harmonics of the oscillogram were determined; the fields of the Strouhal number and the relative amplitudes of the main harmonic were presented.

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