1
|
Yu P, Zheng J, Li J, Miao H, Wu L, Gu D. A study of RCS depressurization strategy of CPR1000 SAMG. KERNTECHNIK 2022. [DOI: 10.1515/kern-2021-1055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
CPR1000 severe accident management guideline (SAMG) is a product of the Westinghouse Owners Group (WOG) SAMG and the French SAMG (called GIAG) combination. It adopts the structure of WOG SAMG. However, it follows the approach of GIAG performing reactor coolant system (RCS) depressurization immediately after entering SAMG. This is a special feature of CPR1000 SAMG. The purpose of this paper is to evaluate this RCS depressurization strategy. The simulations of a station blackout (SBO) accident are performed for CPR1000 with RCS depressurization strategy adopted at both core exit temperature (CET) of 650 and 1100 °C together with opening different number of safety relief valves (SRV) using an integral severe accident analysis code. The optimized RCS depressurization strategy is provided to delay the reactor pressure vessel (RPV) failure time. And some comments are provided for future improvement.
Collapse
Affiliation(s)
- Peizhao Yu
- College of Energy , Xiamen University , No. 4221-104 Xiangan South Road , Xiamen 361002, P. R. China
- Fujian Research Center for Nuclear Engineering , Xiamen City , Fujian Province , 361102 , P. R. China
| | - Jianxiang Zheng
- College of Energy , Xiamen University , No. 4221-104 Xiangan South Road , Xiamen 361002, P. R. China
- Fujian Research Center for Nuclear Engineering , Xiamen City , Fujian Province , 361102 , P. R. China
| | - Jun Li
- College of Energy , Xiamen University , No. 4221-104 Xiangan South Road , Xiamen 361002, P. R. China
- Fujian Research Center for Nuclear Engineering , Xiamen City , Fujian Province , 361102 , P. R. China
| | - Huifang Miao
- College of Energy , Xiamen University , No. 4221-104 Xiangan South Road , Xiamen 361002, P. R. China
- Fujian Research Center for Nuclear Engineering , Xiamen City , Fujian Province , 361102 , P. R. China
| | - Ling Wu
- College of Energy , Xiamen University , No. 4221-104 Xiangan South Road , Xiamen 361002, P. R. China
- Fujian Research Center for Nuclear Engineering , Xiamen City , Fujian Province , 361102 , P. R. China
| | - Danying Gu
- Shanghai Nuclear Engineering Research & Design Institute Co. Ltd , No. 29 Hong Cao Road , Shanghai 200233, P. R. China
| |
Collapse
|