本文主要讨论近岸破波区破波水流和悬移质泥沙分布特征。
This paper mainly discusses the distributional characteristics of the breaker flow and the suspended load sediment in the coastal breaker area.
设计沉沙池时,首先要解决的问题之一是悬移质泥沙沉降计算方法。
In the design of sand basin, the first problem is to select the calculation method of suspended silt deposition rate.
把拜格诺的河道水流悬移质泥沙公式简化为简单概念的沟道产沙公式。
A conceptual formulation for gullies was obtained by simplifying the Bagnold's function of river sediment discharge.
悬移质不平衡输沙研究中,往往有一重要参数即恢复饱和系数难以确定。
Usually it is difficult to determine the coefficient of saturation recovery for nonequilibrium transportation of suspended load.
以大通站为例,用回归分析的方法研究了长江入海悬移质泥沙的粒度特征。
Based on the data from Datong gauging station of Yangtze River, the grain-size characteristics of suspended sediment has been studied by using regression analysis.
主要在床沙与推移质交换的同时,考虑了床沙与推移质向悬移质的净交换。
Especially, while exchanging between bedload and bed material, the net transport of bed load towards waters was considered.
本文首先回顾了前人在河流悬移质泥沙模型相似律方面取得的大量研究成果。
This thesis reviewed at first the existing research results of the law of similarity for river models carrying sediment.
从两相流运动方程出发,研究了细小悬移质颗粒的存在对水流脉动强度的影响。
Based on the equations of two-phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water.
因此,其整治水位与整治线宽度的确定,是与悬移质泥沙冲淤平衡的挟沙力所决定。
Therefore, the width of regulation line and the water level are depended on transport capacity.
沙丘砂由分选、磨圆好的石英砂组成,含量大于95%,具单众数粒度分布,无悬移质。
The dune sands are very well sorted and rounded pure quartz sand(>95%) with single mode grain distribution and without suspension materials.
并且在模型中嵌入悬移质输运模块,从而建立了一个针对太平水道的水流泥沙数学模型。
The application to Taiping waterway shows that the proposed model can reasonably simulate the tidal current and suspended sediment transport.
利用空间概念上的分步法,对剖面二维悬移质泥沙输移方程,提出两种不同的计算格式。
The method of fractional steps is used to split vertical 2-D suspended sediment transport equation. Then two different computation schemes are presented.
对滇池湖泊某次暴雨过程的悬移质泥沙进行了模拟计算,得到了该次暴雨径流的泥沙淤积等值线分布图。
Then, with the consideration of wind force, a storm runoff suspended sediment model in lake and reservoirs is built.
认为平原细沙河流的泥沙模型设计所遵循的相似准则应包括水流运动相似、推移质运动相似和悬移质运动相似。
The similarity criteria for designing the sediment models for plain sand-bed rivers include similarity of flow, bed load and suspended load.
利用非饱和和输沙公式,首次提出了以悬移质为主的冲积河流中冲淤临界流量与水沙以及边界条件的一般关系。
An equation to calculate the critical discharge for river bed variation in alluvial rivers was derived through the theory of non-equilibrium sediment transport.
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。
The2-D flow and sediment mathematical model is used to compute the effect of the engineering of riverside embankment change.
胶州湾沙滩供沙的主要机制是通过风暴潮期间强烈的动力作用,使沙滩沉积物以悬移质、底移质形式向深水区扩散或搬运。
The nearby beaches may supply sediment for the embayment during storm surges, by causing bed-load and suspended-load transport of the beach material towards deeper waters.
基于泥沙运动的起动和止动条件分析了悬移质泥沙和床沙交换的内在机理,并根据这一机理推求了冲淤平衡状态下悬移质挟沙力级配的计算公式。
In terms of this mechanism, the calculation formula for the suspended load sediment-carrying capacity graduation under the balanced state of silting and scoring is deduced.
根据砂质海岸和粉沙质海岸地区港池和外航道的泥沙淤积的计算机理,确定了悬移质和推移质泥沙的计算公式与相关参数,分别对回淤量和骤淤量进行了计算。
The calculation formula and parameter of sediment siltation should accord with the arenaceous and silt coast condition. The back and sudden magnitude siltation quantity is calculated here.
作者主要阐述悬移质模型沙级配的模拟方法,并提出利用沙玉清公式计算、设计模型沙级配的另一种方法,以尽可能严格满足模型相似条件、克服老方法的不足和缺陷。
A new method to determine the size distribution of model sand is proposed based on Sha Yuqing's formula, which could partly avoid the shortcoming of previous methods.
作者主要阐述悬移质模型沙级配的模拟方法,并提出利用沙玉清公式计算、设计模型沙级配的另一种方法,以尽可能严格满足模型相似条件、克服老方法的不足和缺陷。
A new method to determine the size distribution of model sand is proposed based on Sha Yuqing's formula, which could partly avoid the shortcoming of previous methods.
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