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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2004.6
- 수록면
- 990 - 1,001 (12page)
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초록· 키워드
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The retention of a molten pool vessel cooled by internal vessel reflooding and/or external vessel reactor cavity flooding has been considered as one of severe accident management strategies. The present numerical study investigates the effect of both internal and external vessel mixed cooling on an internally heated molten pool. The molten pool is confined in a hemispherical vessel with reference to the thermal behavior of the vessel wall. In this study. our numerical model used a scaled-down reactor vessel of a KSNP (Korea Standard Nuclear Power) reactor design of 1000 MWe (a Pressurized Water Reactor with a large and dry containment). Well-known temperature-dependent boiling heat transfer curves are applied to the internal and external vessel cooling boundaries. Radiative heat transfer has been considered in the case of dry internal vessel boundary condition. Computational results show that the external cooling vessel boundary conditions have better effectiveness than internal vessel cooling in the retention of the melt pool vessel failure.
목차
Abstract
1.Introduction
2.Scaling Analysis and Assumptions
3.Numerical Techniques and Boundary Conditions
4.Numerical Results and Discussions
5.Concluding Remarks
Acknowledgment
References
참고문헌 (22)
참고문헌 신청
[학술지(정기간행물)] - / 2000 / Numerical Analysis of the Heat Transfer Characteristics of a Heat Generating Melt Pool Confined in a Hemispherical Cavity with the MELTPOOL Code : 610 ~ 2 617
[학술지(정기간행물)] - / 1999 / Effects of Thermal Insulation on External Cooling of Reactor Vessels under Severe Accident Conditions
[학술지(정기간행물)] - / 1993 / The Choice of Cell Face Velocities in the Three Dimensional Incompressible Flow Calculations on Nonorthogonal Grids 6 : 154 ~ 161
[학술지(정기간행물)] - / 1997 / Ex-vessel Boiling Experiments 169 : 89 ~ 99
[학술지(정기간행물)] - / 1975 / A Comprehensive Correlating Equation for Heat and Component Transfer by Free Convection : 604 ~ 606
[학술지(정기간행물)] - / 1999 / Effects of Thermal Insulation on External Cooling of Reactor Vessels under Severe Accident Conditions
[학술지(정기간행물)] - / 1993 / The Choice of Cell Face Velocities in the Three Dimensional Incompressible Flow Calculations on Nonorthogonal Grids 6 : 154 ~ 161
[학술지(정기간행물)] - / 1997 / Ex-vessel Boiling Experiments 169 : 89 ~ 99
[학술지(정기간행물)] - / 1975 / A Comprehensive Correlating Equation for Heat and Component Transfer by Free Convection : 604 ~ 606
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UCI(KEPA) : I410-ECN-0101-2009-550-014053254