Crest Losses for Two-Way Drop Inlet

by George G. Hebaus,


Serial Information: Journal of the Hydraulics Division, 1969, Vol. 95, Issue 3, Pg. 919-940


Document Type: Journal Paper

Abstract:

The flow at the entrance to the two-way drop inlet is analyzed theoretically and an expression for the loss coefficient at the crest is developed. It is assumed that a jet forms in the drop inlet and that the crest head loss is a result of the expansion of this jet. The theoretical loss is a simple function of the jet width. This width can be determined by free streamline potential flow methods. The theoretical crest loss coefficients compare well with experimental values.



Subject Headings: Inlets (waterway) | Potential flow | Streamflow | Free flow | Head loss (fluid mechanics)

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