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J. KIMS Technol > Volume 19(2); 2016 > Article
Journal of the Korea Institute of Military Science and Technology 2016;19(2):202-210.
DOI: https://doi.org/10.9766/KIMST.2016.19.2.202   
Numerical Analysis of Temperature Distribution of the Explosive Material in the Double-Layer Liners
Sang Ho Mun, See Jo Kim, Chang Hee Lee, Seong Lee
1Department of Mechanical Design Engineering, Andong National University
2Division of Materials Science & Engineering, College of Engineering, Hanyang University
3The 4th Research and Development Institute, Agency for Defense Development
이중층 라이너의 폭발 재료 온도 분포 수치해석
문상호, 김시조, 이창희, 이성
1안동대학교 기계설계공학과
2한양대학교 신소재공학부
3국방과학연구소 제4기술연구본부
Abstract
The development of new concepts of liner is of great importance to effectively neutralize the enemy's attack power concealed in the protective structure or armored vehicles. A double layer liner has a combination of two different materials, one for penetration of target and the other for explosion after penetration. Therefore, it is of great importance to understand the temperature distribution before impact which should be lower than the explosive temperature of pure explosive material of the liner used. In this study, two different liner materials were obtained using cold spray coating and these material properties were characterized by DSC experiments. Numerical computations were done and the effect of temperature distribution and changes over time at each point of the explosive material depending on the layer types of the liner were discussed and analysed in the jet state.
Key Words: Double-Layer Liner, Explosive Material, Numerical Analysis, Temperature Distribution


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