引江济太泥沙模拟及分析

Simulation of sedimentation in Yangtze-Taihu Water Diversion

基于实测资料进行了引江济太调水试验引水区泥沙含量、泥沙级配特征的分析,为了解泥沙影响的基本趋势提供了依据,为数学模型提供了计算条件。分别采用一维非恒定水沙数学模型、二维非恒定水沙数学模型进行了引水泥沙在望虞河及贡湖运动过程的模拟,重点对含沙量和淤积量空间分布、不同引水方式对淤积趋势的影响进行了分析,为引水工程的长期有效运行提供了技术依据。

The analysis of actual obserxation data of content and grading of sedimentation in water diversion areas in the experiments of Yangtze-Taihu Water Diversion provides base for basic trend of sedimentation influence and also condition for caleulation of matbematieal model. Simulations of sedimentation movement of Wangyu River and Gong Lake are carried out by one-dimensional and two-dimensional inconstant water-sand mathematical models, especially on spatial distribution of sediment and siltation and impact of water diversion methods on siltation trend, which can be used as technical base for long-term operation of the water diversion project.