介绍了管道水击理论及水击过程。
In this paper, the theory of pipeline surge and the process of pipeline surge are introduced.
结构简单，容易安装和维修，抗水击。
Simple structure, easy installation and maintenance and water hammer resistant.
经过弯管后水击压力有不同程度的衰减。
对水击微分方程的重力项也进行了讨论。
The gravity component in water hammer differential equation has also been discussed.
通过理论计算，给出了解决水击问题的措施。
Based on the theoretical calculation, the measures for solving the water impulsion problem were given.
管线水击波速的常用测量方法有波前法和周期法。
A common way to determine wave speed is by experiment, which includes wave - front method and wave periods method.
本文阐述了管网水击的概念及其产生的原因及危害。
In this paper, the concept of water hammer in heating network and its harm are expatiated.
本文对水电站暂态过程中水击压力的影响进行了探讨。
This paper deals with the influence from the pressure of water hammer upon water power in transients.
管道发生水击时的水击压力波对管道的危害非常严重。
Pressure wave of water hammer produces serious hazard for pipeline.
研究结果对现场使用空气罐来控制水击提供了理论指导。
The research results provide theoretic guide for field application of air tank to water hammer control.
比较了几种电磁阀消除水击的效果，认为延时电磁阀最优。
Compared with several other electromagnetic valves in effect of removing water ham mer, timing magnetic valve is considered the best of all.
从设计和运行两方面探讨了热水供热系统的水击防护措施。
The protective measures against water hammer in hot-water heat-supply system are discussed from aspects of design and operation.
水击过程属于水力过渡流中的一个非常典型而重要的过程。
Water hammer is a very typical and important process in the transition flow.
溢流关井的水击压力关系到能否关井，以及关井方式的选择。
The surge pressure of overflow well shut-in impacts whether well can be shut down and the choice of well shut-in modes.
本文用水击波函数的概念推导了水击方程，推导简单、清楚。
In the present paper the water hammer equations were derived with the concepts of the water hammer wave functions.
通过流体力学分析，得出了该工具轴向振动频率和水击压力公式。
Through the hydrodynamic analysis, the formula of axial vibration frequency and water hammer pressure of the tool has been obtained.
由于泵站出站止回阀的作用，长输管道水击过程中会出现同步现象。
Under the effect of check valve, synchronization phenomenon is caused in the process of water hammering in long distance pipelines.
此简化模型可为设计过程中充分考虑水击对管道的影响提供理论依据。
The proposed reduced model gives a theory reference to the design to prevent the harm from water hammer pressure on pipes.
在考虑自由气体存在的影响下，推导出浆体水击压力波波速的计算公式。
Taking account of the effects of free gaseous phase, the mathematical formulations are presented to describe the pressure wave speeds of transient flow in slurry pipelines.
水击发生的条件及影响水击的各种因素的随机性决定了水击现象的随机性。
The randomness of conditions under which waterhammer occurs and factors which affect waterhammer pressures result in the stochaticism of waterhammer phenomena.
由于阀瓣的关闭行程缩短及弹簧作用可加速关闭效果，减少水锤及水击声。
The disc's shutoff stroke is very short and under the effect of the spring, the valve can close quickly and prevent the big noise from water-hammering.
提出了利用管道水击过程中的正压波确定天然气管道冰堵位置的原理和方法。
The theory to confirm the location of blockage in pipeline which using the positive wave happened in the course of water hammer was first put forward in the paper.
这些结果为合理设计输送管道、管道强度设计和消除水击现象提供了参考依据。
These results are references for reasonable design of piping, strength of pipe and the relieving of water hammer.
在水电站机组丢弃负荷情况下，利用特征线法计算管道内的水击荷载时间历程。
The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.
并具有加(灌)油压力平稳、水击压力小、自控简单、运行经济、维护方便等优点。
The advantages are stable in loading pressure, small in pressure surge, simple on autocontrol, economic, easy to maintenance.
通过对水击规律的认识，提出控制水击压力破坏阀门、中心管的具体措施和有效方法。
Through understanding the principles of water strike, this paper advanced an effect measure to control the water strike to destroy valve and center pipe.
考虑进口及多管道连接处的局部水头损失对短管道系统水击压强的计算结果影响较大。
Ulteriorly, considering the local head loss in inlet opening and pipes junction plays more important role in the calculative results of water hammer pressure calculation of the short pipeline system.
介绍了弹簧蓄能式水击缓冲装置的结构、特点、工作原理、试验研究和实际应用情况。
The structure, characteristics, operating principle, experimental study and application of the spring energy-stored type compression bumper are introduced.
介绍了几种常见的水击防护措施，如改变管网系统的特性、旁通管防护、空气罐防护等。
The protection against the water hammer is introduced in this paper as follows: changing the character of the pipeline network, protection of by-pass pipe and the air bottle.
作为水利水电工程中的应用，以水击压力峰值最小作为控制目标，建立了优化数学模型。
The optimal mathematical model, hi which the control aim is to make the peek value of water hammer smallest, is set up for the application in hydraulic and hydropower engineering.
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