• In this paper, the concept of water hammer in heating network and its harm are expatiated.

    本文阐述管网概念及其产生的原因及危害

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  • The harmfulness to the generator stability of water hammer effect is overcome by the GAHC.

    水轮机GAHC克服效应稳定性的危害作用。

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  • The water pressure is predicted according to the rigid water hammer or the elastic water hammer.

    水压预测分别刚性弹性锤两种情况下进行。

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  • The definition of water hammer is the force that is created when a liquid suddenly changes velocity.

    定义液体突然改变速度时会产生一个的作用。

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  • Quick closing valves, water hammer or supply pressure fluctuations can cause intermittent discharge.

    迅速关闭阀门供应压力波动可能导致间歇性排放

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  • The theoretical study was made of the effect of shut-in procedure on the water hammer pressure pulse.

    井水压力大小直接决定了现场采用“软关井”还是“硬关井”方式关井。

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  • This paper deals with the influence from the pressure of water hammer upon water power in transients.

    本文水电站暂态过程中水压力影响进行了探讨

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  • The research results provide theoretic guide for field application of air tank to water hammer control.

    研究结果现场使用空气控制提供了理论指导

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  • Designed to close against the flow. Will not chatter or produce water hammer. Operates smoothly and quietly.

    适用关闭水流不会出现振动产生操作顺利宁静。

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  • The greatest movement is caused by shock which can be controlled by the installation of water hammer arresters.

    最大的移动锤撞击引起可以安装水锤消除器的办法来控制

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  • Water hammer forces can create extremely large pressure waves that can damage piping, piping gaskets and valves.

    产生巨大压力冲击波破坏管道垫圈阀门

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  • It is indicated that the end valve-closure water hammer is the main problem which influencing the system safety.

    重力有压输水系统特点进行了分析,指出末端关阀水锤影响系统安全运行主要问题

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  • These results are references for reasonable design of piping, strength of pipe and the relieving of water hammer.

    这些结果合理设计输送管道、管道强度设计消除水击现象提供了参考依据。

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  • Meanwhile, the pressure regulating pool has multi-function of pressure, discharge regulating, and water hammer preventing.

    同时调压具有调节压力流量防水等功能。

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  • The proposed reduced model gives a theory reference to the design to prevent the harm from water hammer pressure on pipes.

    简化模型设计过程中充分考虑管道影响提供理论依据

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  • The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.

    利用介质自身压力控制具有延时关闭功能从而消除缓解锤的智能型止回阀

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  • Installing air surge tank in pressure water system is a new and economically efficient measure to prevent water hammer accident.

    压力系统设置气压式调压室防护事故的、新的经济有效措施

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  • An analysis of the effects of great material change of some pipes on water hammer prevention is made by a numerical calculation.

    文中通过数值计算分析了这种局部管材突变防护影响

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  • The protective measures against water hammer in hot-water heat-supply system are discussed from aspects of design and operation.

    设计运行两方面探讨了热水供热系统防护措施

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  • The ALC? is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow.

    同轴、管内螺纹弹簧对夹式专门用于防止击作用倒流现象。

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  • Surge chamber is a fairly reliable level pressure structure of reducing water hammer pressure and increasing surge system stability.

    调压减小压力提高调节系统稳定性比较可靠建筑物

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  • The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.

    水电站机组丢弃负荷情况利用特征线法计算管道荷载时间历程

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  • A mathematical model of water hammer arrester with the lower open type in calculating the hydraulic transient in the pump systems is established.

    建立了开式消除器系统水力过渡过程计算中的数学模型

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

    此外紧急回流出现锤现象,如果第二回阀受到污染,这种安全阀可能出现释放喷溅)。

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  • A sensitivity predictive controller with memory recurrent network for use in the comprehensive control of the water hammer and the frequency is proposed.

    提出一种对水轮发电机组水压频率进行综合调节记忆网络灵敏度预测控制器

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  • 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.

    在低温环境不怕防水过热体积小,重量轻,并且任何方式安装

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  • 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瞬变流动工况研究供热管网的具体防护措施参考价值指导意义

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

    现象危害原因进行描述分析。根据液体化工库产生水锤特点,提出控制和消除水锤的措施。

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  • 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.

    理论上讲重力相似准则设计模型保证模型材料原型材料弹性相似,即模型上模拟原型现象。

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  • Pumping accidents by simulating the system of hydraulic transient, step-up to predict the water hammer can choose to provide evidence of water hammer protection.

    通过模拟事故停泵时系统水力过渡过程准确预测升压选择水锤防护措施提供依据

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