water hammer

Numerical Simulation for Spherical Check Valves with Preventing Water Hammer and Energy-saving

防水锤节能球形止回阀的数值模拟

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Study on Protection of Water Hammer by Slow-Closing Back Pressure Valve

缓闭止回阀防护水锤的研究

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When valve of rocket propellant pipeline is opened or closed, water hammer will arise in pipeline.

在推进剂输送时,管路系统主活门需要开启和关闭, 往往在系统内会产生水击现象.

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Pitch all horizontal inlet lines toward the stream trap to help eliminate potential water hammer problems.

定位朝向疏水阀的所有水平入口管道,这有助于消除可能产生的水锤问题.

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The basic numerical calculation theory for pump failure water-hammer was researched systematically in this paper.

较系统地研究了水泵站停泵水锤数值计算概念模型.

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The visual program is compiled by language VB and a compute numerical simulation system for calculating the water hammer under different conditions with butterfly valve. The advantages of the software system are amiability surface, good interaction, high liability and easy operation.

用VB语言编写了可视化程序，开发界面友善、交互性强、性能可靠、操作简便的液控止回蝶阀工况水锤计算的计算机数值模拟系统。

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The Use of Air-driven Down Hole Hammer for Accomplishing the Water Well Drilling Program in the Republic of Mali

风动潜孔冲击器钻进技术在马里共和国钻井工程中的应用

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To develop pipes transportation water, water hammer is an important safety issue, water hammer of pipe network is different from the single-tube water hammer, but more complex.

发展管道输水，水锤问题是重要的安全问题，管网水锤有别于单管水锤，更为复杂。

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With the development of civilization and economy, there are more and more systems with liquid piping transportation. The key mission is how to ensure these systems' safety, so the process analysis and safety design of water hammer is more and more being attached importance to.

随着人类文明和经济的发展，管道流体输送系统越来越多，如何保证整个系统的运行安全则是人们所必须要面临的首要任务。因此水锤过程分析及安全设计越来越被人们所认识和重视。

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The vacuum slack flow, resulted from surplus energy in large downhill section of liquid pipelines, will cause water hammer, oscillation, cavitation, vapor liquid mixture, and increase the intermixture of batching transportation.

大落差线路存在剩余能量是产生不满流的根本原因，它可能引发水击、振动、气蚀、产生气液混合物以及增大多种液体顺序输送时的混输量等一系列问题。

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The Research of the Abnormal Water Hammer Phenomenon based on the Unit 3 over Speed Test of Jiangsu Yixing Pumped Storage Power Station

江苏宜兴抽水蓄能电站3号机组过速试验异常水击现象的研究

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It would not be influenced by the vibration, fluctuating steam pressure, and the water hammer.

不受震动 、 蒸汽压力波动和水锤的影响.

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Spring loaded for fast closure, eliminating reverse flow slam and water hammer.

负载弹簧用于快速关闭, 消除逆流冲击和水锤.

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In the design, it is necessary to advance water hammer analysis, forecasting and simulation of accident conditions the occurrence of water hammer and dissemination of the law.

在设计时，要事先作水锤分析、预测和模拟事故工况下水锤的发生和传播规律。

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This "water hammer" effect ( which is also responsible for the "clunk" you sometimes hear in old plumbing when you turn off the faucet) can be seen in the well-known party trick of smacking the top of a glass bottle to blow out the bottom.

你在聚会上看到的猛击玻璃瓶子顶部会把瓶底打碎的现象就是由这种“水锤”效应产生的。如果你关闭连着老式管道的水龙头，有时也会听到由此产生的沉闷的咚咚声。

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Overflow weir is used to control water hammer and prevent air entrainment in long supply pipelines.

在长距离输水管路出口设置溢流堰可以有效控制水击和防止管路脱空.

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Based on this study an optimal design and measures of water hammer protection have been established.

并根据暂态过程研究结果,提出了该取水泵站防止停泵水锤危害的优化设计方案及技术措施.

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Testing Research on water hammer elimination effect of butterfly check valve

蝶型止回阀消除水锤效果的试验研究

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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.

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The elimination of measures: relief valve and tank closure and other measures to prevent water hammer.

消除措施: 缓闭阀及调压井等其它防止水锤措施.

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Inverted bucket type traps to schedule the air, not afraid of water hammer, fouling performance.

倒吊桶式疏水阀能排空气, 不怕水击, 抗污性能好.

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Programming and Analysis concerning Combined Water Hammer and Surge Tank Calculations

水击压力和调压室涌浪联合计算的程序编制和分析

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An experimental study was performed to investigate the influences of closing valve time on vaporizing time and water hammer pressure in the pressurized water delivery pipeline system and the influence of gas content on water hammer pressure as well.

通过模型试验研究有压输水管道系统阀门关闭时间对汽化时间和弥合水锤压力的影响，管道中的含气量对弥合水锤压力的影响。

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For each case, we took different protection scheme. The strength of these schemes is enhancing step by step, so the boosting pressure of water hammer is different.

每个工程实例，本论文采取了不同的防护方案，防护力度逐步加大，水锤波速对于水锤升压的影响也是不尽相同。

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Eliminate source of excessive backpressure or water hammer in the system downstream of the device.

4消除装置下游系统中产生过大反压力或水锤的原因.

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Designed to close againstflow. 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.

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Water Hammer Pressure Calculation of Decompressed Water Power Plant The Development of Spring Energy-stored Type Compression Bumper

减压式水电站水击压力的计算弹簧蓄能式水击缓冲装置的研制

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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排放.

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Water hammer accidents have the main influence to the safety operation of long distance pressure water conveyance projects, and heavily damaged some water supply projects, which caused huge loses to the normal industry manufacture and living of people.

对长距离加压输水工程安全运行影响最大的是水锤事故，不少供水工程因事故水锤而遭受严重破坏，给人民的正常生产和生活带来了很大损失。

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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.

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