A hydraulic jump occurs in an open channel flow when the flow transitions from:
ASubcritical flow to supercritical flow
BLaminar flow to turbulent flow
CSupercritical flow to subcritical flow
DUniform flow to non-uniform flow
Explanation
A hydraulic jump is a rapid, turbulent open-channel phenomenon that occurs when flow abruptly transitions from high-velocity supercritical flow (Fr > 1) to low-velocity subcritical flow (Fr < 1), dissipating energy.
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