Numerical Simulation on the Effectiveness of Regulation Project for 2000t Navigation Channel of Yingtiantan Segment of Xiangjiang River

doi:10.3969/j.issn.1001-5485.2015.02.002

JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI

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Numerical Simulation on the Effectiveness of Regulation Project for 2000t Navigation Channel of Yingtiantan Segment of Xiangjiang River

JIN Hui^1,2,CHEN Jian-qiang³,FENG Xiao-xiang^1,2,PU Xiao-gang^1,2

1.Tianjin Research Institute of Water Transport Engineering,M.O.T.,Tianjin 300456, China;
2.Key Laboratory of Engineering Sediment,M.O.T.,Tianjin 300456, China;
3.Hunan Provincial Navigation Administration Bureau, Changsha 410200, China

Received:2013-10-10 Online:2015-02-01 Published:2015-02-06

Abstract

Abstract:

Yingtiantan is located at the segment between Haohekou and Chenglingji. It is a flood channel of Dongting Lake and has typical characteristics of rivers and lakes with complex shoal evolution. In recent years, riverbed has been damaged seriously by activities of sand excavation. Regulation actions are proposed in order to improve the channel level in the first-stage of Xiangjiang 2000t channel construction project. The effect of the proposed regulation actions are analysed by using 2-D mathematical flow model and the results indicated that the proposed two design schemes could both meet the design requirements. The right branch scheme is recommended because the flow condition in the channel is not affected by the confluence of the upper and lower stream opening. It could also contribute to local economic development.

Key words: Yingtiantan, channel regulation, river and lake, sand excavation, 2-D mathematical model

CLC Number:

TV85

JIN Hui,CHEN Jian-qiang,FENG Xiao-xiang,PU Xiao-gang. Numerical Simulation on the Effectiveness of Regulation Project for 2000t Navigation Channel of Yingtiantan Segment of Xiangjiang River[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, DOI: 10.3969/j.issn.1001-5485.2015.02.002.

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Numerical Simulation on the Effectiveness of Regulation Project for 2000t Navigation Channel of Yingtiantan Segment of Xiangjiang River

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