The reactor power effect on the consequences pressure waves after LBLOCA in VVER-1000 | ||||
| Arab Journal of Nuclear Sciences and Applications | ||||
| Article 2, Volume 54, Issue 1, January 2021, Page 18-27 PDF (1.21 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ajnsa.2020.27905.1346 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
DINA AMER   1; Sergey Nikonov 2
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| 1Department of theoretical and experimental physics of nuclear reactors, MEPhI, Moscow, Russia | ||||
| 2NRNU “MEPhI”, Moscow, Russia | ||||
| Abstract | ||||
| In this paper, the influence of the reactor power behavior on the LBLOCA hydrodynamics at the initial moment of the process (0-1 second) is considered. The calculations are carried out for the first loop in case of the beginning of loading, end of loading and constant power. The parameters of a typical reactor plant V-320 (VVER-1000) were used for the calculation, particularly, the 3rd unit of the Kalinin NPP. All initial data for the calculation were obtained from the materials of the international standard problem Kalinin-3 [1]. The fuel composition and kinetics of the reactor core was considered for the case of the end of the cycle. For the calculations, the computational best estimate code ATHLET [2.3] was used, which is included in the software package AC2 and officially acquired by the national research Nuclear University MEPhI according to the license agreement with Gesellschaft fur Anlagen-und Reaktorsicherheit (GRS) gg GmbH, Germany [3]. Code ATHLET is certified in Russia for stationary and transient conditions at reactors with water coolant [4]. | ||||
| Keywords | ||||
| VVER-1000; Kalinin-3; MCP stop; LOCA; ATHLET | ||||
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