Hydraulic jump

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hydraulic jump

The sudden and usually turbulent passage of water in an open channel from low stage, below critical depth, to high stage, above critical depth.

During this passage, the velocity changes from supercritical to subcritical. There is considerable loss of energy during the jump. For meteorological applications,
see pressure jump.
See also bore, critical velocity.

Lamb, H. 1953. Hydrodynamics. 6th ed., . sec. 187.

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