Study on Overpressure Condition of Reactor Coolant System for Small Modular Reactor under Turbine Trip Accident
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摘要: 采用RELAP5程序对模块式小型堆汽轮机事故停机工况下的反应堆冷却剂系统(RCS)超压进行了研究。为防止汽轮机事故工况下RCS超压,从减少堆芯能量的产生、一回路超压保护2方面进行了设计改进。分析结果表明,选择合理的波动管流通面积,能够有效缓解RCS超压。
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关键词:
- 模块式小型堆 /
- 汽轮机事故停机 /
- 超压分析 /
- 反应堆冷却剂系统(RCS)
Abstract: The overpressure risk of small modular reactor under turbine trip accident is analyzed by RELAP5.To prevent RCS overpressure,the paper studies on the decreasing of the transient core power and primary overpressure protection.The results indicate that the RCS overpressure of the small modular reactor can be mitigated effectively with appropriate surge line flow area. -
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