虎门-凫洲水道射流体系水动力结构研究(许炜铭; 包芸)

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虎门-凫洲水道射流体系水动力结构研究

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2M)m"q N%ho*P!h(v^?S0【作者】许炜铭; 包芸 【作者单位】中山大学力学系

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【论文摘要】 虎门口存在的双向不对称射流体系,由于西侧凫洲水道水流碰撞以及地形边界的共同作用,使得该射流区水动力结构相当复杂。本研究通过在黄埔至内伶仃洋海区生成的曲线网格,应用自主开发的 ccost 模型,对虎门口-凫洲水道射流区水动力结构进行了数值模拟, 从正压梯度力、水面线变化和地形边界等方面分析其动力特征变化的成因,并分别探讨涨落潮期间虎门-凫洲水道射流区水动力特征的变化规律。

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/Yw)P@3E|?]&X\4L0【英文论文摘要】 There is a particular bidirectional asymmetric jet system at Humen Estuary.Under the mutual impact of the clash of the water flow in Fuzhou Channel,which is to the west of Humen Estuary,and the terrain boundary,the hydrodynamic structure in this jet system area becomes complicated.By adopting the curve grid generated in the sea area between Huangpu to Lingdingyang,and the independently-developed ccost model,this paper brings out a numerical simulation to the hydrodynamic structure of the jet syste area between Humen Estuary and Fuzhou Channel.We have analyzed the causes of the changes of its dynamic features from the barotropic pressure force,the change of water surface and the terrain boundary,and have explored the rules and tendencies of the hydrodynamic features in the jet system area between Humen Estuary and Fuzhou Channel during the ebb and the flow of the sea respectively.水利论文8q ^Au l2i.n}u'Y5O

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【论文关键词】 虎门; 射流; 凫洲水道; 水动力水利论文 aFyskNc9?
【英文论文关键词】 Humen Estuary; jet system; Fuzhou Channel; hydrodynamics
7vd \1kt(b5q,x%i0【基金】国家自然科学基金项目(10772204)水利论文s] ~ hc dFEXh;P/u

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TAG: 动力 射流 水道 虎门 许炜铭
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