Analysis and Treatment of Water Hammer Events Caused by Steam Condensation in Nuclear Power Units
The encounter of hot steam and cold condensate may generate water hammer,which affects integrity and relia-bility of pipelines in nuclear power plants and even probably lead to reactor shutdown in severe cases.There have occurred many incidents of deaerator inlet header leakage in the nuclear power plant of the author's affiliation since its initial opera-tion,which could be attributed to water hammer caused by condensate.This paper reports one selected case and analyzes the triggers from the perspectives of occurrence principle of water hammer,and design and material of pipeline.It also proposes corresponding solutions and relevant suggestions to other plants.
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