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TECHNICAL PAPERS

A Finite Element Study on the Integrity Evaluation Method of Subclad Cracks Under Pressurized Thermal Shock Transients

[+] Author and Article Information
Jin-Su Kim, Bon-Geol Koo, Jae-Boong Choi, Young-Jin Kim

School of Mechanical Engineering, Sungkyunkwan University, Kyonggi-do 440-746, Korea

Yun-Won Park

Korea Institute of Nuclear Safety, Daejeon 305-338, Korea

J. Pressure Vessel Technol 125(1), 46-51 (Jan 31, 2003) (6 pages) doi:10.1115/1.1498846 History: Received January 08, 2002; Revised June 05, 2002; Online January 31, 2003
Copyright © 2003 by ASME
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References

Figures

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A schematic illustration of subclad crack
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A schematic illustration of the maximum allowable RTNDT calculation
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Temperature, heat transfer coefficient and pressure distribution for MSLB
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A typical finite element mesh for a/t=1/4
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Resulting stress intensity factors for a/t=1/20
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Comparison of hoop stress distribution between EFEA and EFA after 700 s
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Resulting stress intensity factors for a/t=1/10
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The elastic hoop stress distribution after 700 s
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The elastic hoop stress distribution after 4000 s
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Resulting stress intensity factors for a/t=1/4
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Comparison of maximum allowable RTNDT (maximum criteria)
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Comparison of maximum allowable RTNDT (tangent criteria)

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