Statistics, plumes and azimuthally traveling waves in ultimate Taylor-Couette turbulent vortices

30 Aug 2019 Froitzheim Andreas Ezeta Rodrigo Huisman Sander G. Merbold Sebastian Sun Chao Lohse Detlef Egbers Christoph

In this paper, we experimentally study the influence of large-scale Taylor rolls on the small-scale statistics and the flow organization in fully turbulent Taylor-Couette flow {for Reynolds numbers up to $\text{Re}_S=3\times 10^5$}. The velocity field in the gap confined by coaxial and independently rotating cylinders at a radius ratio of $\eta=0.714$ is measured using planar {particle image velocimetry} in horizontal planes at different cylinder heights... (read more)

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