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논문 기본 정보

자료유형
학술저널
저자정보
Beom-Il Kim (Korean Register) Kyoung-Tae Kim (Korean Register) MD Shafiqul Islam (Korean Register)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제38권 제3호(통권 제178호)
발행연도
2024.6
수록면
87 - 102 (16page)

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초록· 키워드

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Given the inadequate regulatory framework for liquefied hydrogen gas storage tanks on ships and the limitations of the IGC Code, designed for liquefied natural gas, this study introduces a critical assessment procedure to ensure the safety and suitability of such tank designs. This study performed a heat transfer analysis for boil-off gas (BOG) calculations and established separate design load cases to evaluate the yielding and buckling strength. In addition, the study assessed methodologies for both high-cycle and low-cycle fatigue assessments, complemented by comprehensive structural integrity evaluations using finite element analysis. A comprehensive approach was developed to assess the structural integrity of Type C tanks by conducting crack propagation analysis and comparing these results with the IGC Code criteria. The practicality and efficacy of these methods were validated through their application on a 23K-class liquefied hydrogen carrier at the concept design stage. These findings may have important implications for enhancing safety standards and regulatory policies.

목차

ABSTRACT
1. Introduction
2. Development of Structural Assessment Procedure for IMO TYPE C Tank
3. Numerical Model
4. Thermal-Structural Analysis
5. Buckling Analysis
6. BOR Calculation
7. Fatigue Analysis
8. Crack Propagation Analysis
9. Conclusion
References

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