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physics.flu-dyn2025
The influence of surface tension in thin-film hydrodynamics: gravity free planar hydraulic jumps
Rajesh Kumar Bhagat
Hydraulic jumps in thin films are traditionally explained through gravity-driven shallow-water theory, with surface tension assumed to play only a secondary role via Laplace pressu…
physics.flu-dyn2020
Experimental evidence for surface tension origin of the circular hydraulic jump
Rajesh K. Bhagat, D. Ian Wilson, P. F. Linden
For more than a century, the consensus has been that the thin-film hydraulic jump that can be seen in kitchen sinks is created by gravity. However, we recently reported that these…
physics.flu-dyn2018
The circular capillary jump
Rajesh Kumar Bhagat, Paul F. Linden
In this paper we re-examine the flow produced by the normal impact of a laminar liquid jet onto an infinite plane when the flow is dominated by surface tension. It is observed expe…