Proceedings of the KSME Conference (대한기계학회:학술대회논문집)
- 2004.11a
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- Pages.102-107
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- 2004
3-Dimensional Fatigue Life Evaluation for Major Components of Nuclear Power Plant
원전 주요기기의 3차원 피로수명 평가
- Ahn, Min-Yong ;
- Bae, Sung-Ryul ;
- Park, Young-Jae ;
- Chang, Yoon-Suk ;
- Choi, Jae-Boong ;
- Kim, Young-Jin ;
- Jhung, Myung-Jo ;
- Choi, Young-Hwan
- 안민용 (성균관대학교 기계공학부) ;
- 배성렬 (성균관대학교 기계공학부) ;
- 박영재 (성균관대학교 기계공학부) ;
- 장윤석 (성균관대학교 기계공학부) ;
- 최재붕 (성균관대학교 기계공학부) ;
- 김영진 (성균관대학교 기계공학부) ;
- 정명조 (한국원자력안전기술원) ;
- 최영환 (한국원자력안전기술원)
- Published : 2004.11.03
Abstract
In general, major components of nuclear power plant have been evaluated based on 2-dimensional design codes conservatively. However, more exact assessment is necessary for continued operation beyond the design life. In this paper, 3-dimensional stress and fatigue analyses reflecting full geometry and monitored operating condition of reactor pressure vessel have been carried out. The analyses results showed that conservatism of current 2-dimensional evaluation based on design transient. Therefore, it is anticipated that the schemes developed from this research such as 3-dimensional finite element modeling, stress analysis and fatigue analysis related techniques can be utilized as fundamental tools for exact lifetime evaluation and license renewal of major nuclear components.
Keywords