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Outlet Conditions Causing Cavitation in the Invert of an Open Channel
Author(s): 
Pages: 1363-1366
Year: Issue:  1
Journal: TSINGHUA SCIENCE AND TECHNOLOGY

Keyword:  cavitationpressure dropinvertirregularityconfiguration;
Abstract: This paper experimentally analyzes the causes of cavitation damage in the in vert of an open channel. Results show that cavitation in the invert is mainly du e to the maximum boundary shear occurring at the downstream tangential point of the invert, and the critical hydraulic condition causing cavitation occurs when the dimensionless parameter η=q/(Gh3/2) is equal to 0.015. An improved configuration of the invert is then developed.
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