高速水流

高速水流空化噪声测试系统设计

The Design of System in Measuring the High Velocity Flow Cavitation Noise

γ射线在高速水流模型测试技术中的研究与应用

Study and its application of γ - rays techniques for measuring high velocity flow in hydraulic model tests

为了满足在高速水流条件下伸缩缝大变形的要求，又提出了一种改进的双面复合GB止水带止水结构型式，可望用于高速水流条件下处理伸缩缝大变形的修补工程。

An improved rubber water stop of double compound GB U type is then applied , which is applicable to repairing large-deformation of expansion joint under high flow velocity condition .

JME改性环氧树脂砂浆是高速水流抗冲磨修补的理想材料。

The results indicated the JME modified epoxy mortar was optimal material for erosion and abrasion resistant material for the repair of damaged composites .

泄洪洞高速水流三维数值模拟

Three Dimensional Numerical Simulation of High Velocity Flow in Spillway Tunnels

高速水流空化研究设备&变压箱

An Equipment for Cavitation Study & A Variable Pressure Tank

含沙掺气高速水流壁面脉动压力特性

Characteristics of Wall Pressure Fluctuations in High Velocity Sediment laden and Aerated Flow

高速水流中旋涡空化所引起的空蚀和振动

Study on vibration and erosion induced by vortex cavitation around a hollow-jet valve

高速水流下新型高抗冲耐磨材料的新进展

New Development of Abrasion-resistant Materials under High-velocity Water Flow

高速水流容易发生空化，为进一步研究空化的形成机理和影响因素。

The cavitation easily occurred in high-speed flow .

含沙掺气高速水流对壁面磨蚀的分析

Analysis of Abrasion of Wall Material by High Velocity Sediment laden and Aerated Flow

含沙高速水流的磨蚀机理和掺气抗磨作用

Mechanism of Abrasion to Material by High-velocity Sediment-laden Flow and Effect of Aeration on Abrasion Resistance

由硅粉混凝土应用中存在的问题论高速水流护面材料选择的原则与要求

Discussion on principle and requirement of choice of high-speed flow protecting surface material of silicon powder concrete

高速水流喷射冲击点焊&在太空中实现薄板冲击点焊的装置

SHOCK-POINT WELDING WITH HIGH SPEED WATER JET & Apparatus for shock-point-welding of thin sheet plates in space

由于高速水流产生的气蚀破坏，消能工遭到严重破坏。

Because of the cavitation damage owing to the high-velocity flow , the energy dissipator has been faulted seriously .

实验表明，含沙掺气高速水流壁面剪切力的脉动值的概率密度函数分布基本符合正态分布规律；

It is found that the probability distribution of the fluctuating magnitude of boundary stress obeys the normal distribution .

扼要地介绍了一套最近研制成功的高速水流空化噪声测试系统。

It is briefly introduced that a set of high flow cavitation noise measuring system has been used recently .

高水头、大流量泄洪洞内高速水流问题主要问题之一是水流空化引起过流表面空蚀。

One of the main problems of spillway tunnel with large discharge and high velocity flow is the cavitation damage .

大型泄洪洞高速水流的研究进展及风险分析

Achievements on hydraulic problems in large spillway tunnel with a high head and large discharge flow and its risk analysis

因高速水流挟带泥沙会对建筑物产生磨蚀，泥沙淤积又会对工程安全造成威胁。

The sediment carried by high-Velocity flow will corrode the structures and the deposit of sediment will threaten the safety of the project .

在坡度较陡且为高速水流的有压泄洪管道设计中如何避免管道内明满流的出现，是一个极具有科学研究价值和经济意义的课题。

It is a question having research value and economy content to avoid free surface-pressure flow in the high-speed pressure flood discharge-pipe design .

高坝水垫塘作为防护下游河床的结构，其自身在高速水流冲击下的安全性是实现消能和防冲目的的关键所在，国内外都不乏破坏的实例。

The safety of apron slabs in plunge pool of high dam is a key problem to successor failure of flood energy dissipation .

随着高坝的不断兴建，高速水流引起的脉动荷载对水工建筑物的影响也越来越成为工程上关注的焦点。

As a continual construction of high dams , the influence of fluctuating pressure caused by high speed discharge on hydraulic structure becomes the focus .

工程中通常采用强迫掺气减蚀措施，防止泄水建筑物在高速水流作用下发生空蚀破坏，但在保护过流面底板的同时，忽视了对其侧墙的保护。

To prevent cavitation damage of hydraulic structures with high speed flows , forced aeration device is commonly adopted as an economical and effective engineering technique .

与金属管相比，凯佳产品不需进一步隔音来降低相对高速水流所产生的噪音分贝数。

Compared with metal pipe , clean health products need further sound insulation is it reduce high-speed noise decibel that rivers produce count relatively to come .

隧洞边墙、顶拱衬砌高度大，泄洪时最大流速为37m/s，为高速水流，施工质量要求高，施工进度要求快，施工难度大。

The biggest flow velocity in it is 37 m / s when flood is discharged , therefore the quality of construction are required very high .

汾河二库大坝泄洪底孔担负着水库泄洪排沙任务，泄洪底孔水流属高速水流。

Flood way bottom of Fenhe No. 2 reservoir dam sand of reservoir , and water flow at the bottom of flood way is high speed flow .

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；

In a special circulating system with high velocity flow , boundary shear stresses in clear water flow , aerated flow and sediment laden flow are measured .

引起溢流厂房振动的主要荷载是在厂房顶渲泄高速水流时产生的脉动，脉动荷载引起溢流厂房振动与安全是决定这种新型的水电厂房结构成立与否的重要课题。

The major load which brings about vibration of workshop is pulse by overfall . The vibration and it 's safety determine whether the new structure is suitable .

随着我国水利建设中高坝建筑日益增多，高速水流带来的空化空蚀不容忽视。

With the development of hydropower and hydraulic , the increase of discharge structure from high dams , the cavitation cause by high-velocity flow can not be ignored .