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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.10
- 수록면
- 535 - 540 (6page)
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초록· 키워드
오류제보하기
We propose an enhanced Green’s function approach to predict thermal stresses by considering temperature-dependent material properties. We introduce three correction factors for the maximum stress, the time taken to reach maximum stress, and the time required to attain steady state based on the Green’s function results for each temperature. The proposed approach considers temperature-dependent material properties using correction factors, which are defined as polynomial expressions with respect to temperatures based on Green’s functions, that we obtain from finite-element (FE) analyses at each temperature. We verify the proposed approach by performing detailed FE analyses on thermal transients. The Green’s functions predicted by the proposed approach are in good agreement with those obtained from FE analyses for all temperatures. Moreover, the thermal stresses predicted using the proposed approach are also in good agreement with the FE results, and the proposed approach provides better predictions than the conventional Green’s function approach using constant, time-independent material properties.
목차
ABSTRACT
1. 서론
2. 기존 그린함수 접근법
3. 개선된 그린함수 접근법
4. 개선된 그린함수 접근법 검증
5. 결론
References
참고문헌 (9)
참고문헌 신청
[학술지(정기간행물)] - Griesbach, T. J. / 1991 / Application of Fatigue Monitoring to the Evaluation of Pressurizer Surge Lines / Nuclear Engineering and Design 129 (2) : 163 ~ 176
[학술지(정기간행물)] - Aufort, P. / 1991 / On Line Fatiguemeter: A Large Experiment in French Nuclear Plants / Nuclear Engineering and Design 129 (2) : 177 ~ 184
[학술지(정기간행물)] - Heliot, J. / 1989 / Framatome Operating Transients Monitoring System Used for Equipment Mechanical Surveillance / International Journal of Pressure Vessels and Piping 40 (3) : 247 ~ 258
[학술대회논문] - Gilman, T. / 2015 / Fatigue Monitoring and Assessment : Different Approaches Combined for Lifetime Extension Challenges / Proceedings of the ASME Pressure Vessels and Piping Conference
[학술지(정기간행물)] - Koo, G. H. / 2009 / Green's Function Method with Consideration of Temperature Dependent Material Properties for Fatigue Monitoring of Nuclear Power Plants / International Journal of Pressure Vessels and Piping 86 (2) : 187 ~ 195
[학술지(정기간행물)] - Aufort, P. / 1991 / On Line Fatiguemeter: A Large Experiment in French Nuclear Plants / Nuclear Engineering and Design 129 (2) : 177 ~ 184
[학술지(정기간행물)] - Heliot, J. / 1989 / Framatome Operating Transients Monitoring System Used for Equipment Mechanical Surveillance / International Journal of Pressure Vessels and Piping 40 (3) : 247 ~ 258
[학술대회논문] - Gilman, T. / 2015 / Fatigue Monitoring and Assessment : Different Approaches Combined for Lifetime Extension Challenges / Proceedings of the ASME Pressure Vessels and Piping Conference
[학술지(정기간행물)] - Koo, G. H. / 2009 / Green's Function Method with Consideration of Temperature Dependent Material Properties for Fatigue Monitoring of Nuclear Power Plants / International Journal of Pressure Vessels and Piping 86 (2) : 187 ~ 195
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UCI(KEPA) : I410-ECN-0101-2016-552-002041190