Author(s): Han Hu, Guobing Huang, Wei Yang
Linked Author(s): Han Hu
Keywords: Slit-type energy dissipater, flow shock wave, water wing, hydraulic modeling.
Abstract: Slit-type energy dissipater (STED), as an efficient device to dissipate energy of flow, is widely used in hydraulic projects of high water head, large discharge, and narrow river valley. However, the water wing caused by the shock waves in the contraction section of STED, may bring about harmful effects, which has not been given enough importance. This paper reveals the internal relation of the shock waves and the water wing in STED through physical model experiments and theoretical analysis. Simplified formulas to calculate the shock wave angle and the water wing area were theoretically derived, which were demonstrated to be accurate enough to estimate the scope of the water wings
Year: 2017