ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS

Liu Maolong; Erkan Nejdet; Okamoto Koji; Kasahara Naoto; Naoto KASAHARA

ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS

Translated title of the contribution: ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS

Liu Maolong, Erkan Nejdet, Okamoto Koji, Kasahara Naoto, Naoto KASAHARA

Department of Nuclear Safety Engineering

Research output: Contribution to conference › Presentation

Abstract

Reactor vessel depressurization is an important measure before an accident sequence progresses to the point of vessel bottom head penetration failure under high-pressure condition. The passive depressurization systems can depressurize the reactor coolant system to prevent or to mitigate the effects of direct containment heating instead of the safety/relief valves (SRV) if SRV is inoperable or it is stuck in the closed position. The sensitivity analysis performed with SAMPSON code in this study demonstrated that the passive depressurization system with an optimized leakage area and failure condition is more efficient in managing a severe accident.

Translated title of the contribution	ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS
Original language	Japanese
State	Published - 17 May 2015
Event	Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE - Duration: 17 May 2015 → …

Conference

Conference	Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE
Period	17/05/15 → …

Cite this

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title = "ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS",

abstract = "Reactor vessel depressurization is an important measure before an accident sequence progresses to the point of vessel bottom head penetration failure under high-pressure condition. The passive depressurization systems can depressurize the reactor coolant system to prevent or to mitigate the effects of direct containment heating instead of the safety/relief valves (SRV) if SRV is inoperable or it is stuck in the closed position. The sensitivity analysis performed with SAMPSON code in this study demonstrated that the passive depressurization system with an optimized leakage area and failure condition is more efficient in managing a severe accident.",

author = "\{Liu Maolong\} and \{Erkan Nejdet\} and \{Okamoto Koji\} and \{Kasahara Naoto\} and Naoto KASAHARA",

year = "2015",

month = may,

day = "17",

language = "Japanese",

note = "Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE ; Conference date: 17-05-2015",

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TY - CONF

T1 - ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS

AU - Liu Maolong, null

AU - Erkan Nejdet, null

AU - Okamoto Koji, null

AU - Kasahara Naoto, null

AU - KASAHARA, Naoto

PY - 2015/5/17

Y1 - 2015/5/17

N2 - Reactor vessel depressurization is an important measure before an accident sequence progresses to the point of vessel bottom head penetration failure under high-pressure condition. The passive depressurization systems can depressurize the reactor coolant system to prevent or to mitigate the effects of direct containment heating instead of the safety/relief valves (SRV) if SRV is inoperable or it is stuck in the closed position. The sensitivity analysis performed with SAMPSON code in this study demonstrated that the passive depressurization system with an optimized leakage area and failure condition is more efficient in managing a severe accident.

AB - Reactor vessel depressurization is an important measure before an accident sequence progresses to the point of vessel bottom head penetration failure under high-pressure condition. The passive depressurization systems can depressurize the reactor coolant system to prevent or to mitigate the effects of direct containment heating instead of the safety/relief valves (SRV) if SRV is inoperable or it is stuck in the closed position. The sensitivity analysis performed with SAMPSON code in this study demonstrated that the passive depressurization system with an optimized leakage area and failure condition is more efficient in managing a severe accident.

UR - https://ci.nii.ac.jp/naid/110010046436

M3 - 口頭発表

T2 - Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE

Y2 - 17 May 2015

ER -

ICONE23-1712 SENSITIVITY ANALYSIS OF THE BWR PASSIVE DEPRESSURIZATION SYSTEM UNDER SEVERE ACCIDENT CONDITIONS

Abstract

Conference

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