Rigid Water Column Theory for Uniform Gate Closure

by Harold R. Vallentine,


Serial Information: Journal of the Hydraulics Division, 1965, Vol. 91, Issue 4, Pg. 27-31

Document Type: Journal Paper


The inelastic approximation, applied to simple water-hammer problems, is shown generally to yield lower values of maximum head rise than those given by Allievi's solution, except when gate closure is rapid. The two approaches agree when the static head in feet is numerically less than 50 times the initial velocity in feet per second and the closure period exceeds the time for 8 pressure cycles.

Subject Headings: Water management | Columns | Head (fluid mechanics) | Inelasticity | Approximation methods | Water hammer | Gates (hydraulic) | Statics (mechanics)

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