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摘要：
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采用平面二维水流数学模型,对南水北调东线某工程调水分流区通航水流条件进行了计算分析,提出了改善通航水流条件的方案。计算结果表明,现状条件下分流区通航水流条件不能满足规范要求,方案2通过扩挖金宝河及分流区南侧对回流区和横向流速的改善效果较好,推荐其作为工程改善措施。
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The water conditions for navigation in a distributary domain of the Eastern Route of South-to-North Water Transfer Projectiscomputed and analyzed with atwodimensionalmathematicalmodel.Measures for improving the navigable water con-ditions are proposed.The computed results indicate that the water conditions in the distributary domain under the present situa-tion can not meet the requirements of the standards.Plan 2 may produce satisfactory improvement of the water conditions in the return flow zone and the transverse flow velocities by dredging the Jinbao River and the south of the distributary domain,which is recommended as the measure for improving the water conditions in the domain.
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基金项目：
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作者简介：
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参考文献：
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[1]刘本芹,宣国祥.南水北调东线工程金宝河与京杭运河交汇区水流条件计算分析报告[R].南京:南京水利科学研究院,2008.
[2]吴时强,丁道扬.剖开算子法解具有自由表面的平面紊流速度场[J].水利水运科学研究,1992,(1):39-48.
[3]JTJ305-2001.船闸总体设计规范[S].
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