基于MANTA/SMART三维物理热工耦合的落棒事故分析

冯英杰, 李昌莹, 肖红, 胡友森

冯英杰, 李昌莹, 肖红, 胡友森. 基于MANTA/SMART三维物理热工耦合的落棒事故分析[J]. 原子能科学技术, 2020, 54(2): 281-287. DOI: 10.7538/yzk.2019.youxian.0101
引用本文: 冯英杰, 李昌莹, 肖红, 胡友森. 基于MANTA/SMART三维物理热工耦合的落棒事故分析[J]. 原子能科学技术, 2020, 54(2): 281-287. DOI: 10.7538/yzk.2019.youxian.0101
FENG Yingjie, LI Changying, XIAO Hong, HU Yousen. Control Rod Drop Accident Analysis Based on Coupled 3D Neutronics/Thermal-hydraulics with MANTA/SMART Codes[J]. Atomic Energy Science and Technology, 2020, 54(2): 281-287. DOI: 10.7538/yzk.2019.youxian.0101
Citation: FENG Yingjie, LI Changying, XIAO Hong, HU Yousen. Control Rod Drop Accident Analysis Based on Coupled 3D Neutronics/Thermal-hydraulics with MANTA/SMART Codes[J]. Atomic Energy Science and Technology, 2020, 54(2): 281-287. DOI: 10.7538/yzk.2019.youxian.0101

基于MANTA/SMART三维物理热工耦合的落棒事故分析

Control Rod Drop Accident Analysis Based on Coupled 3D Neutronics/Thermal-hydraulics with MANTA/SMART Codes

  • 摘要: 传统CPR落棒事故分析采用保守的确定论分析方法,设计保守性较大,已制约了机组的持续改进及后续堆型的研发。为进一步挖掘落棒事故的热工设计裕量,本文以某大型压水堆为研究对象,建立了基于MANTA/SMART程序三维物理热工耦合的落棒事故分析方法,并与CPR落棒分析方法的过程及结果进行了对比分析。研究结果表明,基于MANTA/SMART的三维落棒事故分析方法合理可行,能更真实全面地反映反应堆瞬态过程中的参数特征,并能有效挖掘出落棒事故分析的安全裕量。

     

    Abstract: The determinist approach adopted in CPR control rod drop accident (CRDA) analysis appears so conservative that restricts the continual improvement as well as development and research. To increase the safety margin of CRDA, three-dimensional analysis was conducted based on the coupled 3D neutronics/thermal-hydraulics of MANTA/SMART codes. The analysis process and results were compared with those of CPR method. According to the results, the three-dimensional CRDA analysis method based on MANTA/SMART codes is found to be feasible and reasonable, which is capable to reflect realistically and comprehensively the parameter characteristics during the transient. Besides, the three-dimensional method shows a great potentiality to increase the safety margin of CRDA.

     

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  • 刊出日期:  2020-02-19

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