An unsteady 1-d flow and sediment model is used as a tool to study the scale effect caused by time distortion in physical models of sediment transport.
利用一维不恒定水流泥沙数学模型，研究泥沙实体模型试验的时间变态问题。
Si milarities in geometry, flow motion and sediment transport are considered in model design.
模型设计考虑了几何相似，水流运动相似和泥沙运动相似。
General considerate the sediment model, the law of current distribution and the plane heterogeneous in all kinds of reservoir, describe the distribution of flow unit in plain, section and space.
综合参考各类储层特有的沉积模式、水流能量分布规律和平面非均质特征，对流动单元平面、剖面及空间展布进行了描述。
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