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J. KIMS Technol > Volume 19(3); 2016 > Article
Journal of the Korea Institute of Military Science and Technology 2016;19(3):330-338.
DOI: https://doi.org/10.9766/KIMST.2016.19.3.330   
Numerical Analysis of the Ballistic Performance and Behavior of STF-Impregnated Multi-layer Fabrics
Sang Ho Mun, Kwon Joong Son, Hee Keun Cho, Jong Kyoo Park, Euigyung Jeong, Man Young Lee, See Jo Kim
1Department of Mechanical Design Engineering, Andong National University
2Department of Mechanical and Design Engineering, Hongik University
3Department of Mechanical Engineering Education, Andong National University
4The 4th Research and Development Institute, Agency for Defense Development
전단농화유체 함침 다층직물의 방탄성능 및 거동 수치해석
문상호, 손권중, 조희근, 박종규, 정의경, 이만영, 김시조
1안동대학교 기계설계공학과
2홍익대학교 기계정보공학과
3안동대학교 기계교육과
4국방과학연구소 제4기술연구본부
Abstract
Impregnation of shear-thickening fluid(STF) into high-strength fabrics makes a considerable improvement on the ballistic performance of fabric armors. Understanding dissipation augmentation due to shear thickening effects on yarn-yarn and yarn-projectile friction is of great importance in liquid armor research. This paper takes a shearthickening effect into account in numerical simulations by using a velocity-dependent friction model. Impact simulations were performed to validate the friction model as well as to evaluate the ballistic performance of STF-fabrics. Impact simulations on neat fabrics were also conducted to provide baseline results for comparison.
Key Words: Shear-Thickening Fluid, Ballistic Performance, Friction, Fabric Array, Multi-Layer Fabric


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