Article ID Journal Published Year Pages File Type
10482276 Physica A: Statistical Mechanics and its Applications 2005 5 Pages PDF
Abstract
We report on experimental observations of a gravity-wave instability forced by a highly turbulent free-surface Taylor-Couette flow. We observe a subcritical bifurcation from a highly turbulent base state, the mean flow of which is axisymmetric, to a turbulent gravity-wave state, the mean flow of which has a azimuthal number m=1. The flow is characterized by ultrasound velocimetry, by imaging of the surface profile, local free-surface disturbance measurements and by the dynamic pressure at the outer cylinder.
Related Topics
Physical Sciences and Engineering Mathematics Mathematical Physics
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