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Critical flow (Smdffbk)

Definition
That flow in open channels at which the energy content of the fluid is at a minimum. Also, that flow which has a Froude number of unity. (Source: AASHTO Glossary)
Broader Term
Flow by speed (Smdffb)
Related Terms (Hierarchical)
Subsonic flow (Smdffbb)
Potential flow (Smdffbm)
Supersonic flow (Smdffbp)
Critical velocity (Smdffbv)