The test results show that the optimal layout can effectively improve the flow condition for navigation at the entrance area of approach channel.
结果表明，泄洪闸分侧布置可有效地改善引航道口门区通航水流条件。
Based on the experimental result of construction river diversion model of Dayuandu, this paper studies the flow condition for navigation and drainage in first construction period.
根据大源渡枢纽施工导流模型试验结果，着重分析了一期施工期间利用束窄后河道泄流及通航的水流条件。
Initial numerical model calculation and analyse indicated that with the silting years increasing, daily regulated flow condition for navigation gradually become more disadvantageous.
初步的数学模型计算分析表明，随着淤积年份增加，日调节通航水流条件逐渐变差。
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