Proceedings of the KSME Conference (대한기계학회:학술대회논문집)
- 2001.06a
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- Pages.441-446
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- 2001
Structural Integrity Evaluation of the Integral Reactor SMART under Pressurized Thermal Shock
가압열충격에 대한 일체형원자로 SMART의 구조건전성 평가
- Published : 2001.06.27
Abstract
In the integral type reactor, SMART, all the major components such as steam generators, pressurizer and pumps are located inside the single reactor pressure vessel. The objective of this study is to evaluate the structural integrity for RPV of SMART under the postulated pressurized thermal shock by applying the finite element analysis. Input data for the finite element analysis were generated using the commercial code I-DEAS, and the fracture mechanics analysis was performed using the ABAQUS. The crack configurations, the crack aspect ratio and the clad thickness were considered in the parametric study. The effects of these parameters on the reference nil-ductility transition temperature were also investigated.
Keywords
- Pressurized thermal shock;
- Semi-elliptical surface crack;
- Stress intensity factor;
- Reactor pressure vessel;
- Reference nil-ductility transition temperature
- 가압열충격;
- 반타원 표면균열;
- 응력확대계수;
- 압력용기;
- 기준무연성 천이온도;