2008•Unpublished venueRequires access
Approximate formula for calculating the critical water depth at circular cross section
Yu Li
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Abstract
An approximate formula for calculating the critical water depth at circular cross section was derived from mathematical transformation of the critical flow equation.The maximum relative error,at the common range of engineering,is less than 0.86%.Comparison with existing formulas shows that this approximate formula has simple form and high precision,and can be conveniently applied.