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http://dx.doi.org/10.1016/j.net.2018.10.013

Numerical validation of burst pressure estimation equations for steam generator tubes with multiple axial surface cracks  

Kim, Ji-Seok (Korea University, Department of Mechanical Engineering)
Lee, Myeong-Woo (Korea University, Department of Mechanical Engineering)
Kim, Yun-Jae (Korea University, Department of Mechanical Engineering)
Kim, Jin-Weon (Chosun University, Department of Nuclear Engineering)
Publication Information
Nuclear Engineering and Technology / v.51, no.2, 2019 , pp. 579-587 More about this Journal
Abstract
This paper provides further validation of the burst pressure estimation equations for multiple axial surface cracked steam generator tubes, recently proposed by the authors based on analytical local collapse load approach against systematic FE damage analysis results of Alloy 690 tubes with twin axial surface cracks. Wide ranges of the relative crack depth and multiple crack configurations are considered. Comparison shows good agreements, giving sufficient confidence of the proposed equations.
Keywords
Alloy 690 steam generator tube; Multiple axial surface cracks; Burst pressure estimation equations; Finite element damage analysis;
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Times Cited By KSCI : 2  (Citation Analysis)
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