The author described philosophy, causes and precautions for water hammer appearance in steam piping, drum, feedwater piping, economizer, drum draining tube, sub-steam cylinder etc.

叙述了蒸汽管道、锅筒、给水管道、省煤器。锅筒放水管、分汽缸等发生水冲击的基本原理，产生原因和预防措施。

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Through analyzing causes and process calculation of pipe diameter, installation measures is adopted, the water hammer in pipeline of condensate water system has been improved.

针对凝结水系统的水击、水流不畅现象，通过分析原因并对管径进行了工艺计算，采取适当的安装措施，效果显著。

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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。

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