This double threshold phenomenon plays an important role in sediment transportation of heavily sediment laden rivers.
水沙两相流冲淤的双临界现象,对于多沙河流河道泥沙的输移有重要意义。
In a special circulating system with high velocity flow, boundary shear stresses in clear water flow, aerated flow and sediment laden flow are measured.
在高速水流循环系统中,用自行研制的剪切力传感器分别量测了清水、掺气水流及挟沙水流壁面上的剪切力;
This paper is a summary of study works on the movement mechanism and transport competency of sediment laden flow completed by the author with other collaborators.
本文是作者和一些同志近年来所进行挟沙水流的水流和泥沙运动机理和输沙能力研究成果的概括。
Finally, the Rio DE la Plata deposits nitrogen and iron-laden sediment into the ocean just north of the area shown in the image.
最后,拉普拉塔河把氮素和富含铁质的沉淀物搬运到在图中所示地域以北的海洋。
The mechanics of sediment-laden flow has been one of the most important subjects in hydraulics and river dynamics.
挟沙水流的运动规律是泥沙运动力学中最基本、最重要的研究课题之一。
Through series river model test, Use new steel concrete permeable tetrahedron frame, to do river regulation experimental study in sediment-laden river wandering channel.
通过系列河工水槽试验,应用新型钢筋混凝土四面体透水框架,进行多沙河流游荡型河道整治试验研究。
Sediment particles is suspended in the sediment-laden flow because of the flow turbulence, and settle down due to gravity action.
挟沙水流中的泥沙颗粒因水流紊动而悬浮,同时受重力作用而下沉。
Previous formulas which were set up in light of semi-tidal or tidal-averaged cannot describe the variation of sediment-laden capacity with the tidal flow.
现有水流挟沙能力公式建立在潮段平均的概念之上,不能反映其随潮变化的特性。
For the hydropower station built on heavily sediment-laden river, it is always a especially concerned problem to desilt at the water intake of hydropower station.
多沙河流上的电站进水口的取水排沙历来是一个倍受关注的问题。
Therefore, some sediment transport theories derived from these energy balance equations of sediment-laden flow, such as sediment transport intensity, resistance in movable bed, etc.
从而从这些有缺陷的能量平衡方程所得到的一些泥沙运动理论,如输沙强度、动床阻力等,就难免在理论上存在一定的不足。
The von Karman constant of sediment-laden flows is one of the important parameters reflecting the influence of sediment movement on the flow structure.
挟沙水流卡门常数是反映泥沙运动对水流结构影响的重要参数之一,本文回顾并讨论了挟沙水流卡门常数的计算公式及其影响因素。
The sediment and its influence on water environment cause a series of problems and difficulties in the water environmental quality assessment for sediment-laden water of the Yellow River.
黄河多泥沙水体中存在的泥沙及其对水环境造成的影响给河流水环境质量评价带来了一系列特有的问题和困难。
The study on the sediment \ | laden flow movement law in the river bend is very important in many fields of hydraulic engineering.
弯道水流(包括挟沙水流)运动规律的研究,在水利工程学的许多领域中,占有重要的位置。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
Many theories have been developed to approach the vertical profiles of suspended sediment concentration in sediment-laden flows.
近年来用于研究含沙水流中悬浮颗粒垂向浓度分布的理论已有很多。
The power attenuation coefficient and the change of the coherence of the laser through the sediment-laden water are obtained in the experiment.
实验获得了激光穿过浑水的功率衰减系数和相干性变化。
In dynamic state the velocity of the sediment-laden flow and Doppler signal characteristics are measured.
动态下测量了浑水流动速度和多普勒信号特性。
By analyzing mud filling in reservoir on the sediment-laden river, the paper presents some measures to prevent and harness mud filling while building a reservoir on a sediment-laden river.
通过分析多沙河流水库的淤积,提出了在多沙河流上修建水库所需采取的防淤、治淤措施。
Even though these rivers carry a significant sediment load in suspension, the density of the sediment-laden water is rarely at or above the density of seawater.
尽管这些河流带着大量悬浮的颗粒,这带有沉淀物的水的密度仍仅仅达到或者低于海水的密度。
This system of measurement and analysis may prove to be beneficial, to the investigation of turbulent structure of the sediment-laden flow.
这一量测分析系统将有助于对浑永紊动结构的深入研究。
Selectim of hydraulic turbines operating on sediment-laden river is the key guaiantee safe , economic and steady operation.
多泥沙河流水电站水轮机机型的选择确定是影响电站投运后是否能安全、经济稳定运行的关键问题。
Sediment transport in natural rivers occurs almost in sediment-laden flow. The difference may exist between mechanism of sediment transport in turbid waters and that in clear waters.
天然河流的泥沙输移大多在浑水条件下进行,浑水条件与清水条件下的输沙机理存在一定差异。
The Yangtze River estuary is a large heavily sediment-laden estuary where the bar shoal with dozens of kilometers in length is formed due to its unique feature of water-sediment movement.
长江口是巨型多沙河口,其特有的水沙运动特点,形成了长达数十公里的拦门沙区段。
The Yangtze River estuary is a large heavily sediment-laden estuary where the bar shoal with dozens of kilometers in length is formed due to its unique feature of water-sediment movement.
长江口是巨型多沙河口,其特有的水沙运动特点,形成了长达数十公里的拦门沙区段。
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