LBLOCA accident investigation using TRACE code in a VVER-1000 reactor

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Ekbatani Amlashi S.; Safarzadeh O.; SHIRANI A.S.

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Paper Information

Journal: JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY Year:2020 | Volume:91 | Issue:1 Page(s): 40-49

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Title

LBLOCA accident investigation using TRACE code in a VVER-1000 reactor

Author(s)

Ekbatani Amlashi S. | Safarzadeh O. | SHIRANI A.S. | Issue Writer Certificate

Keywords

VVER-1000 reactorQ1

LBLOCAQ1

TRACE codeQ1

Abstract

The loss of coolant accident is due to the reduction of the coolant fluid volume in the first circuit. The direct cause of this accident is the mechanical failure or fatigue in the material of the first circuit components during the power plant operation. This accident, which is a design-based accident, is an important factor in assessing a nuclear power plant safety. If the break occurs in the main circuit of the first circuit with a diameter greater than 25% of the cross-section area, it shall be referred to as a large break. In this paper, this accident with a break diameter of 850 mm is modeled and analyzed using the TRACE code in a VVER-1000 reactor. The TRACE code is specifically designed for coolant loss accidents. With the help of this analysis, it is possible to have an accurate estimate of the reactor's safety and to obtain significant economic considerations instead of conservative assumptions assessment. Finally, the results of the TRACE code have been compared with the final safety analysis report of the power plant as well as previous research by the RELAP5. The results indicate the accuracy of the TRACE code in modeling the large break accident.

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APA: Copy

Ekbatani Amlashi, S., Safarzadeh, O., & SHIRANI, A.S.. (2020). LBLOCA accident investigation using TRACE code in a VVER-1000 reactor. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(1 (91) ), 40-49. SID. https://sid.ir/paper/97831/en

Vancouver: Copy

Ekbatani Amlashi S., Safarzadeh O., SHIRANI A.S.. LBLOCA accident investigation using TRACE code in a VVER-1000 reactor. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY[Internet]. 2020;-(1 (91) ):40-49. Available from: https://sid.ir/paper/97831/en

IEEE: Copy

S. Ekbatani Amlashi, O. Safarzadeh, and A.S. SHIRANI, “LBLOCA accident investigation using TRACE code in a VVER-1000 reactor,” JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, vol. -, no. 1 (91) , pp. 40–49, 2020, [Online]. Available: https://sid.ir/paper/97831/en

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