Horizon effects for surface waves in wave channels and circular jumps

Physics – Fluid Dynamics

Scientific paper

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4 pages, 2 figs. To appear in: Proceedings of the Spanish Relativity Meeting (ERE2010)

Scientific paper

10.1088/1742-6596/314/1/012031

Surface waves in classical fluids experience a rich array of black/white hole horizon effects. The dispersion relation depends on the characteristics of the fluid (in our case, water and silicon oil) as well as on the fluid depth and the wavelength regime. In some cases, it can be tuned to obtain a relativistic regime plus high-frequency dispersive effects. We discuss two types of ongoing analogue white-hole experiments: deep water waves propagating against a counter-current in a wave channel and shallow waves on a circular hydraulic jump.

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