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Sediment Movement in Periodic Alternating Current 被引量:11
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作者 CAOZude KONGLingshuang LIUDefu 《Journal of Ocean University of Qingdao》 2002年第2期201-205,共5页
The present paper summarizes the results of previous studies, including the structure and principle of the rotary ring flume for researching the fine sediment movement, the mechanism of the flume, method of eliminatin... The present paper summarizes the results of previous studies, including the structure and principle of the rotary ring flume for researching the fine sediment movement, the mechanism of the flume, method of eliminating the influence of the centrifugal force and sediment movement experiments with periodic alternating current. Also included are the experiment-based relationship among sediment concentration, bed shear stress and silt carrying capacity, a proposed erosion-deposition function and bed erosion-deposition calculation together with the results of verification. 展开更多
关键词 rotary ring flume periodic alternating current hydraulic characteristics of sediment erosion-deposition function
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Sediment movement characteristics of coast and analysis of seabed evolution 被引量:3
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作者 KONG Lingshuang CAO Zude +1 位作者 WANG Wei QI Dingman 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2011年第5期101-107,共7页
The rotary ring flume is used to study the silty sand movement in a periodic alternating current.Characteristics of sediment movement of different coasts in the tidal current are summarized.More detailed analysis of e... The rotary ring flume is used to study the silty sand movement in a periodic alternating current.Characteristics of sediment movement of different coasts in the tidal current are summarized.More detailed analysis of erosion-sedimentation function in a numerical simulation is made.The equilibrium sediment concentration is advanced.Based on the equilibrium sediment concentration,the seabed erosion-sedimentation index is derived and the seabed erosion-sedimentation calculation is analyzed.The seabed erosion-sedimentation index is used to calculate the seabed evolution of Yangshan sea area and a good agreement with field measurements is obtained. 展开更多
关键词 sediment movement periodic alternating current sediment numerical simulation equilibrium sediment concentration seabed erosion-sedimentation index
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