This paper introduces the structure of the positive-wave system of the naval dual-wave shock test machine and analyses the water-hammer phenomena in the system.
介绍了舰载设备双波冲击试验机正波发生系统的基本结构，对系统中水锤现象进行了分析。
The definition of water hammer is the force that is created when a liquid suddenly changes velocity.
水锤的定义是指当液体突然改变速度时会产生一个力的作用。
Designed to close against the flow. Will not chatter or produce water hammer. Operates smoothly and quietly.
适用于关闭水流。不会出现振动或产生水锤。操作顺利宁静。
Hydrostatic pressure testing of the inlet valves (with open and closed disc) under a pressure of 1, 5 times the maximum static pressure plus water hammer for 30 minutes.
持续30分钟1.5倍的最大静压与水锤压力下，对入口阀(带打开和关闭盘)的静水压试验。
Water hammer forces can create extremely large pressure waves that can damage piping, piping gaskets and valves.
水锤会产生巨大的压力冲击波，破坏管道，垫圈和阀门。
In this paper, the concept of water hammer in heating network and its harm are expatiated.
本文阐述了管网水击的概念及其产生的原因及危害。
The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.
利用介质自身的压力，控制并具有延时关闭功能，从而消除或缓解水锤的智能型止回阀。
This is necessary to avoid water hammer or shock damage.
这样做有必要以避免水锤或冲击损坏。
Quick closing valves, water hammer or supply pressure fluctuations can cause intermittent discharge.
迅速关闭阀门，水锤或供应压力波动可能导致间歇性排放。
Excessive back pressure, freezing, or water hammer has distorted the second check.
过于严重的反压力、冰冻或水锤扭曲了第二止回阀。
Otherwise, such relief ( spitting) can occur when the second check is fouled during emergency backflow or resulting from a water hammer condition.
此外，在紧急回流或出现水锤现象时，如果第二止回阀受到污染，则这种安全阀可能出现释放（喷溅）。
Through the numerical simulation to transient analysis in heating networks, it is consult value and guide significance for the water hammer protection measure.
通过数值模拟方法分析供热管网的瞬变流动工况，对研究供热管网的具体水锤防护措施有参考价值和指导意义。
By combining the theory of aerodynamics with water hammer equation and wave equation of surge tank a mathematical model for this type of surge tank is established.
为研究制气式调压室的运行机制，运用空气动力学原理，结合管道水锤方程、调压室波动方程，建立了制气式调压室的仿真数学模型。
The harmfulness to the generator stability of water hammer effect is overcome by the GAHC.
水轮机的GAHC克服了水锤效应对稳定性的危害作用。
Installing air surge tank in pressure water system is a new and economically efficient measure to prevent water hammer accident.
压力水系统中设置气压式调压室是防护水锤事故的、新的、经济有效的措施。
Meanwhile, the pressure regulating pool has multi-function of pressure, discharge regulating, and water hammer preventing.
同时调压池具有调节压力、流量及防水锤等功能。
It also has the ability of frost resistance, water hammer; resistance and overheat resistance. Small size and light weight make it easy install in any mode.
在低温环境中不怕冻、防水击、耐过热、体积小，重量轻，并且任何方式均可安装。
The water hammer in a pressure pipe in prototype can be in terms of theory simulated in a model, based on the gravity similarity and elastic material similarity.
理论上讲，按重力相似准则设计模型，并保证模型材料与原型材料的弹性相似，即能在模型上模拟原型的水击现象。
These results are references for reasonable design of piping, strength of pipe and the relieving of water hammer.
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。
Description and analysis on the Phenomenon, damage and Reason of the water Hammer for the Liquid Chemical Terminal, Submit the control and elimination measures.
对水锤现象的危害、原因进行了描述和分析。根据液体化工库产生水锤的特点，提出了控制和消除水锤的措施。
The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.
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。
This article, aiming at Mopan Mountain Gravity Flow water Transfer Project water hammer equation, numerical simulates water hammer equation with wavelet finite element method.
本文针对磨盘山重力流输水工程水锤方程用小波有限元法进行数值计算。
Surge chamber is a fairly reliable level pressure structure of reducing water hammer pressure and increasing surge system stability.
调压室是减小水击压力、提高调节系统稳定性的比较可靠的平压建筑物。
The research results provide theoretic guide for field application of air tank to water hammer control.
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 water hammer pressure attenuates after the angle pipe.
经过弯管后水击压力有不同程度的衰减。
Fixing attention on the active controlling causes of water hammer, for the long_distance water supply system, the optimal control of transient multiple valves regulation is put forward.
着眼于水锤发生源的主动控制，对于长距离输水系统的水锤现象提出了瞬态多阀调节最优控制理论。
Oil gas diffusion can probably occur from the product pipeline due to some factors such as pipe corrosion, foreign power collision, oil stolen by drilling hole or water hammer.
成品油管线在运营过程中会发生泄漏，主要原因为管线腐蚀、外力撞击、打孔盗油及水击等，泄漏后油品蒸发扩散形成的爆炸性区域具有很大的危险。
The proposed reduced model gives a theory reference to the design to prevent the harm from water hammer pressure on pipes.
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.
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。
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