Safety analysis of HTGR main steam pipe under steam hammer conditions

WU Xiacheng; QIAN Qiuyu; LI Xiaowei; FU Jiyang

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Safety analysis of HTGR main steam pipe under steam hammer conditions

Thermal Power Generation Vol. 44, Issue 12, Pages: 126-128(2015)

更新时间：2025-09-28

- Safety analysis of HTGR main steam pipe under steam hammer conditions
- 作者机构：
  
  1. 国核电力规划设计研究院
  2. 清华大学核能与新能源技术研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM623
- Published：2015
- 稿件说明：
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WU Xiacheng, QIAN Qiuyu, LI Xiaowei, et al. Safety analysis of HTGR main steam pipe under steam hammer conditions[J]. Thermal Power Generation, 2015, 44(12): 126-128.
DOI：

WU Xiacheng, QIAN Qiuyu, LI Xiaowei, et al. Safety analysis of HTGR main steam pipe under steam hammer conditions[J]. Thermal Power Generation, 2015, 44(12): 126-128. DOI：

摘要

针对核电机组主蒸汽阀门突然关闭导致主蒸汽管道产生汽锤力

影响机组安全运行的问题

采用PIPENET软件模拟了高温气冷堆主蒸汽管道产生汽锤现象的过程

从内压、汽锤力及共振等方面分析了汽锤力对高温气冷堆主蒸汽管道安全性的影响。结果表明

汽锤现象发生时

管系应力不会超过许用应力

而且不会导致管系共振

高温气冷堆主蒸汽系统安全

对人员、环境和设备不会造成损坏。

Abstract

Sudden closure of the main steam valve in nuclear power plant will cause steam hammer occurring in the main steam pipeline

which will affect the unit safety operation.To solve this problem

the PIPENET software was employed to simulate the steam hammer process in high temperature gas-cooled reactor(HTGR).The effect of steam hammer force on the pipe safety was investigated

from the aspect of inner pressure

steam hammer force and resonance.The results show that

the main steam pipe of HTGR has adequate security margins when steam hammer occurs

so the steam hammer will not cause the pipes' resonance.Therefore

when the steam hammer occurs

the main steam system of the HTGR is safe

and it will not casue damages on human beings and the environment and the equipments.

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