| Sediment Transport in Rivers and Coastal Waters |
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| 作者姓名： | YANG Shu-qing |
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| 作者单位： | School of Civil and Environmental Engineering，Nanyang Technological University，Nanyang Avenue，639798，Singapore School of Civil Engineering，Tianjin University，Tianjin 300072，China，School of Civil Engineering，Tianjin University，Tianjin 300072，China，School of Civil Engineering，Tianjin University，Tianjin 300072，China |
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| 摘 要： | Following Bagnold's approach, a relationship between sediment transport and energy dissipation is developed. The major assumption made in the study is that the near bed velocity plays a dominant role in the process of sediment transport. A general relationship between energy dissipation and sediment transport is first proposed. Then the equations for total sediment transport are derived by introducing the appropriate expression of energy dissipation rate under different conditions, such as open channel flows, combination of wave and current, as well as longshore sediment transport. Within the flows investigated, the derived relationships are fairly consistent with the available data over a wide range of conditions.
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Sediment Transport in Rivers and Coastal Waters |
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| YANG Shu-qing,YU Jian-xing and WANG Yuan-zhan
School of Civil and Environmental Engineering,Nanyang Technological University,Nanyang Avenue,Singapore School of Civil Engineering,Tianjin University,Tianjin ,China.Sediment Transport in Rivers and Coastal Waters[J].China Ocean Engineering,2003,17(4):527-540. |
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| Authors: | YANG Shu-qing YU Jian-xing and WANG Yuan-zhan
School of Civil and Environmental Engineering Nanyang Technological University Nanyang Avenue Singapore School of Civil Engineering Tianjin University Tianjin China |
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| Institution: | School of Civil and Environmental Engineering, Nanyang Technological University, Nanyang Avenue, 639798, Singapore;School of Civil Engineering, Tianjin University, Tianjin,300072, China School of Civil Engineering, Tianjin University, Tianjin,300072, China School of Civil Engineering, Tianjin University, Tianjin,300072, China |
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| Abstract: | Following Bagnold's approach, a relationship between sediment transport and energy dissipation is developed. The major assumption made in the study is that the near bed velocity plays a dominant role in the process of sediment transport. A general relationship between energy dissipation and sediment transport is first proposed. Then the equations for total sediment transport are derived by introducing the appropriate expression of energy dissipation rate under different conditions, such as open channel flows, combination of wave and current, as well as longshore sediment transport. Within the flows investigated, the derived relationships are fairly consistent with the available data over a wide range of conditions. |
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| Keywords: | total sediment discharge longshore sediment transport rate of energy dissipation wave-current interaction |
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