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This paper focuses on an experimental study of the hydraulic performances of a new-type dissipater, named allotypic hybrid-type flip bucket (AHFB), which combined the advantage of the diffusion flip bucket (DFB), slit-type flip bucket (SFB) and hybrid-type flip bucket (HFB) together. Experiments were performed on laboratory model with four types bucket, as the continuous flip bucket (CFB), the SFB, the HFB and theAHFB. The expression for the flow regimes and the trajectory of jets is studied, considering data proposed by other researchers. Pressure distributions on the bottom and vertical faces of the bucket are presented. It indicated that as contraction of lower bucket of AHFB, the pressures on vertical face were positive, which protected the occurrence of cavitation damage. The important observations are that when the Froude number exceed 5, the scour depth of combined bucket decreases with increase in Froude number, and can reduce about 70% compared with that of CFB. © 2013 Taylor & Francis Group, London.
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Advances in Civil Engineering and Building Materials - Selected Peer Reviewed Papers from 2012 2nd International Conference on Civil Engineering and Building Materials, CEBM 2012
Year： 2012
Page： 515-518
Language： English
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 0
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