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。
Comparing the calculated and experiment results show that the mathematical model is feasible and may be used to measure and study the velocity of sheet flow, sediment and the distribution of solute.
计算结果与实验结果比较表明此数学模型是可行的,有可能用于测量和研究水流速度、泥沙含量及溶质在水流中的分布。
On this basis, the model is applied to study the movement of sediment in the estuary of Yellow River under typical flow and sediment condition.
在此基础上开展了典型水沙条件下黄河河口泥沙运动规律的模拟研究。
The flow regime, sediment deposition and the loss of head of two head tanks of the sewage pumping station with different dimensions are studied by using a hydraulic model test method.
采用水力模拟的方法对两个不同结构尺寸的污水泵站高位井的水流流态、泥沙淤积及水头损失等进行了模型试验。
The flume model of Hangzhou Metro Line 2 section of the Qiantang river tunnel is established according to the characteristics of Qiantang river estuary flow and sediment.
根据钱塘江河口的流场和泥沙特性,建立了杭州地铁2号线钱塘江过江隧道段动床水槽模型。
An elementary attempt concerning the model for predicating sediment yielded by debris flow at the Jiangjia Gully has been done in term of time and control factors.
从时间和控制因子两个角度,初步探讨了蒋家沟流域产沙预测模型。
According to hydraulics, sediment dynamics and similarity theory, a hydraulic model for a horizontal-flow sand basin was designed.
运用水力学、泥沙运动力学及相似理论,对平流式沉沙池进行了浑水水力模型试验研究。
The2-D flow and sediment mathematical model is used to compute the effect of the engineering of riverside embankment change.
采用平面二维水流泥沙数学模型进行堤线改线影响计算,模型考虑了悬移质及推移质泥沙运动、桥渡及料场的阻力变化。
Using data of 155 sediment detentionbarriers which check all oncoming sediment and water flow, a erosion model with different weight is constructed.
利用黄河中游155个“闷葫芦”淤地坝沉积泥沙资料和相关侵蚀因子建立了侵蚀变权模型,用该模型计算了每个图斑的侵蚀量。
A numerical model for simulating unsteady flow and suspended sediment transport in river networks was presented.
所有单一河流断面处的含沙量通过单一河流悬沙输运的求解方法获得。
The model can be used for real time prediction of flow and sediment transport in multiple connected river channels and is suitable for the area where topography map is not sufficient.
该模型的特点是对河道地形要求不高,能够满足水沙输移实时预报的要求。
By using a 2-d sediment mathematical model, influences of riverside relocation of Nanchang reach of Ganjiang river on flow, scouring and silting were computed.
采用平面二维水流泥沙数学模型计算了赣江大堤南昌段堤线改线对河段水流运动及河床冲淤的影响。
The test results of this model for the floods of 1988 and 1992 show that the flow pattern, the sediment movement and the channel deformation all conform very well with the field data of these floods.
先后完成的黄河花园口至东坝头河段1988年中水丰沙型洪水及“92.8”高含沙洪水验证试验结果表明,采用本文提出的模型相似律进行模型设计,模型水流运动、泥沙运动及河床演变规律,均与原型相似。
Through the establishment of two-dimensional mathematical model of flow and sediment, calculate and analyse the effects on river water level, flow field and riverbed erosion and deposition.
通过建立二维水沙数学模型,计算分析对河道水位、流场及河床冲淤的影响。
Through the establishment of two-dimensional mathematical model of flow and sediment, calculate and analyse the effects on river water level, flow field and riverbed erosion and deposition.
通过建立二维水沙数学模型,计算分析对河道水位、流场及河床冲淤的影响。
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