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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.8
- 수록면
- 2,477 - 2,487 (11page)
- DOI
- https://doi.org/10.1016/j.net.2021.02.020
이용수
초록· 키워드
오류제보하기
To improve safety analysis technology for a nuclear reactor containment considering an interactionbetween a reactor coolant system (RCS) and containment, this study aims at an experimental investigation on the integrated simulation of the RCS and containment, with an integral effect test facility,ATLAS-CUBE. For a realistic simulation of a pressure and temperature (P/T) transient, the containmentsimulation vessel was designed to preserve a volumetric scale equivalently to the RCS volume scale ofATLAS. Three test cases for a steam line break (SLB) transient were conducted with variation of the initialcondition of the passive heat sink or the steam flow direction. The test results indicated a stratifiedbehavior of the steam-gas mixture in the containment following a high-temperature steam injection inprior to the spray injection. The test case with a reduced heat transfer on the passive heat sink showed afaster increase of the P/T inside the containment. The effect of the steam flow direction was alsoinvestigated with respect to a multi-dimensional distribution of the local heat transfer on the passiveheat sink. The integral effect test data obtained in this study will contribute to validating the evaluationmethodology for mass and energy (M/E) and P/T transient of the containment.
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