Abstract
The slit-type energy dissipater (STED) is widely used in hydraulic projects of high water head, large discharge, and narrow river valley, thanks to its simple structure and high efficiency. However, the water wing caused by the shock waves in the contraction section of the STED may bring about harmful effects. A coefficient is introduced for the application of Ippen’ s theory in the STED. The expression of the coefficient is experimentally obtained. Simplified formulas to calculate the shock wave angle and the water wing scope are theoretically derived, with relative errors within 5%.
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Project supported by the National Nature Science Foundation of China (Grant Nos. 51279013, 51379020 and 51509015), the National Key R & D Program of China (Grant No. 2016YFC0401900).
Biography: Guo-bing Huang (1963-), Male, Master, Professor
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Huang, Gb., Hu, H., Wang, Ch. et al. Shock waves and water wing in slit-type energy dissipaters. J Hydrodyn 29, 504–509 (2017). https://doi.org/10.1016/S1001-6058(16)60762-X
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DOI: https://doi.org/10.1016/S1001-6058(16)60762-X