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在对水库冲沙时影响排泥沙的复杂物理现象进行简述后,介绍了两种数值模型。第一种模型基于简单的原理,它能够确定在遵循排出悬移质为最低浓度的同时又确保最佳冲沙效率的水力条件,同时又能维持排放悬移质泥沙的最低含量。第二种模型则相反,目的在于准确描述泥沙重新悬移和输移所涉及的机理。并且还提供了冲沙过程中水质恶化的有关资料。该模型主要用于预测冲沙的效果。
After a brief description of the complicated physical phenomena that affect sediment discharge during the reservoir flushing, two numerical models are introduced. The first model is based on the simple principle of determining the hydraulic conditions that will ensure the best runoff efficiency while maintaining the lowest concentration of suspended solids and at the same time maintaining the minimum level of suspended sediment emissions. The second model, on the contrary, aims to accurately describe the mechanisms involved in sediment resuspension and transport. It also provides information on the deterioration of water quality during the red mud. The model is mainly used to predict the effect of flushing.