水锤现象

关于高扬程供水系统中的水锤现象

The Water Hammer in High-lift Water Supply System

多次错误操作或水锤现象等可能引起结构部件承受高应力水平下的疲劳载荷作用。

Repeated false operation or water hammer could make structural components to be subjected to fatigue loading under high stress level .

为解决水泵机组起动电流大和易出现水锤现象的问题，提出一种以PIC单片机为控制核心的电动机软起动控制器。

In order to solve the great starting current and occurrence of water hammer in pump unit , the soft starting controller of motor based on PIC microprocessor was proposed .

重锤蓄能系统水锤现象分析

An analysis of water hammer effect in gravitational energy accumulating hammer systems

船舶生活水管路中的水锤现象分析

Analysis of water hammering in ship domestic water pipeline

舰载设备双波冲击试验机中的水锤现象研究

Water-hammer Phenomena in Naval Dual-wave Shock Test Machine

为防止水锤现象火电厂循环水系统设计的改进

Improvement on Design of Circulating Water System in Thermal Power Plants to Prevent from Water Hammer

不可压缩单相流体紊流区沿程阻力计算一维单相流管路水锤现象的数值模拟

Calculation of Uncompressible Single - phase Turbulent Flow The Numerical Simulation of Water Hammer in Single - Phase Flow

我们的翻转式阀瓣止回阀专用于在严酷的应用环境下迅速开启和关闭，避免出现水锤现象。

Our Tilting Disc Check Valves are designed for quick opening and closing in severe service applications and the elimination of water hammer .

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）。

Otherwise , such relief ( spitting ) can occur when the second check is fouled during emergency backflow or resulting from a water hammer condition .

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。

Description and analysis on the Phenomenon , damage and Reason of the water Hammer for the Liquid Chemical Terminal , Submit the control and elimination measures .

从不定常偏微分方程组出发，采用特征线方法，对多管路系统的不同管道，使用不同的时间步长计算了水锤现象。

The results of water hammer for multi - piping system is presented the water hammer in complicated pipes has been computed by characteristic line - method .

此外，使用一维特征线法理论上验证了水锤现象不会影响到该系统的间歇性供油，最终通过试验验证，该系统可以达到设计目的。

Additionally , by the means of one-dimensional characteristics method on water hammer phenomenon theoretically verified that the system will not affect the intermittent supply and it was proved by the subsequent experiment .

它不仅降低电动机起动电流、减少对电网的冲击、能延长电动机及相关设备使用寿命，而且软停车功能，从根本上消除管道中的水锤现象。

Not only the soft starter could decrease starting current , reduce shock on electrified wire netting and prolong the service life of motor and other equipment , but also it could eliminate thoroughly the " water-hammer " in pipes .

采用该控制器有效解决了电机在起动过程中产生的大冲击电流的问题，避免了水锤现象的产生，使得水泵机组的运行安全平稳。

Use of the controller gave an effective solution to the large shock current in starting of the motor , and avoided the occurrence of water hammer , so that the pump unit can run in a safe and reliable way .

根据试验数据分析研究了系统冷启动与热启动方式下的过渡特性、系统无注水启动方式下的过渡特性、水锤现象以及压力峰值。

A total of 78 sets of test data at transient state have been obtained , and the transition characteristics of cold startup , warm startup , startup without the emergency feedwater , water hammer , and pressure peak value were investigated .

在工业管道中，如：核电厂的热力交换和循环系统，火箭推进剂输送系统等等，由于阀门的开启和关闭经常会产生水锤现象。

In industrial piping systems , such as the heat exchanging and circular system of the nuclear power station , and the rocket propellant piping , etc * The water hammer take placed frequently for the opening and closing of the valve .

系统中氮气满管很重要，因为这防止当反应器止回阀处于运行时造成的水锤（现象）。

Full venting of the nitrogen in the system is important for preventing liquid hammering with the reactor backpressure valve placed in operation .

本文介绍了工业管道系统中水锤的现象、起因及危害，阐述了设计及运行管理中常用的水锤防护措施。

The phenomenon , origins and harms of water hammer in industrial piping systems are introduced simply . Also , common measures for water hammer protection are presented .