| 潮汐河口宽浅弯道的水流动力特性分析* |
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| 引用本文： | 张俊勇,吴华林,赵德招. 潮汐河口宽浅弯道的水流动力特性分析*[J]. 水运工程, 2013, 0(11): 119-123 |
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| 作者姓名： | 张俊勇 吴华林 赵德招 |
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| 作者单位： | 上海河口海岸科学研究中心，河口海岸交通行业重点实验室，上海 201201；交通运输部长江口航道管理局，上海 200003;上海河口海岸科学研究中心，河口海岸交通行业重点实验室，上海 201201;上海河口海岸科学研究中心，河口海岸交通行业重点实验室，上海 201201 |
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| 基金项目： | 国家自然科学基金（51209135） |
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| 摘 要： | 以长江口北槽河道为例，以大量实测资料为基础，分析潮汐河口宽浅弯道的水流动力特性及演变特征，探讨北槽航道回淤集中于弯道段与潮汐河口宽浅弯道演变的关联性。研究成果表明，尽管受多种因素干扰以及河槽较强的二维性，潮汐河口弯道仍呈现了一定程度弯道水流特征和演变特征，北槽中部航槽的弯道形态可能对航道回淤起到一定的促进作用。
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| 关 键 词： | 潮汐河口； 宽浅弯道； 航道回淤； 水流动力特性 |
Flow dynamics characteristics of wide-shallow tidal estuary meandering river |
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| ZHANG Jun-yong,WU Hua-lin and ZHAO De-zhao. Flow dynamics characteristics of wide-shallow tidal estuary meandering river[J]. Port & Waterway Engineering, 2013, 0(11): 119-123 |
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| Authors: | ZHANG Jun-yong WU Hua-lin ZHAO De-zhao |
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| Affiliation: | Key Laboratory of Estuarie & Coastal Engineering, Ministry of Transports,Shanghai Estuarine and Coastal Research Center, Shanghai 201201, China;Yangtze Estuary Waterway Administration Bureau, Shanghai 200003, China;Key Laboratory of Estuarie & Coastal Engineering, Ministry of Transports,Shanghai Estuarine and Coastal Research Center, Shanghai 201201, China;Key Laboratory of Estuarie & Coastal Engineering, Ministry of Transports,Shanghai Estuarine and Coastal Research Center, Shanghai 201201, China |
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| Abstract: | Taking the north passage of the Yangtze River estuary for example and based on a large number offield measured data, we analyze the flow dynamics characteristics and evolution characteristics on the wide-shallowtidal estuary meandering river and explore the relationship between the fact of silting concentration in the bendsection of the north channel and the evolution of wide-shallow tidal estuary meandering river. The result shows thatdespite the disturbance of multiple factors and the strong two-dimensional characteristics of the channel, the tidalestuary meandering river still presents bend flow characteristics and characteristics of evolution to a certain degree.The bend on the middle north channel may promote silting concentration. |
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| Keywords: | tidal estuary wide-shallow meandering river silting flow dynamics characteristics |
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