Undular Hydraulic Jump

by V. Mandrup Andersen,

Serial Information: Journal of the Hydraulics Division, 1978, Vol. 104, Issue 8, Pg. 1185-1188

Document Type: Journal Paper


When a supercritical flow in a channel is forced to change into a subcritical flow, the transition will normally occur as a hydraulic jump, and the energy loss in the jump will be large. With increasing supercritical depth and decreasing difference between the corresponding depths the energy loss will diminish and the transition will at last occur in an oscillating manner. The character of the transition has a natural explanation that will be considered.

Subject Headings: Channel flow | Hydraulic jump | Subcritical flow | Supercritical flow | Energy loss | Oscillations

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