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J. KIMS Technol > Volume 18(5); 2015 > Article
Journal of the Korea Institute of Military Science and Technology 2015;18(5):574-581.
DOI: https://doi.org/10.9766/KIMST.2015.18.5.574   
The Effect of High Current Pulse against Shaped Charge Jet by Flash X-Ray and Residual Penetration Depth
Jaehyun Joo, Joonhong Choi, Dongkyu Kim, Siwoo Kim, Jeongtae Kim
The 5th Research and Development Institute, Agency for Defense Development
섬광 X선과 잔류관통깊이 분석을 통한 성형작약탄 제트에 대한 펄스전류 효과
주재현, 최준홍, 김동규, 김시우, 김정태
국방과학연구소 제5기술연구본부
Abstract
In this paper, the effect of high voltage current pulse against shaped charge jet was analyzed through the visualization of jet behavior using flash X-ray and comparison of depth of penetration(DOP) into RHA(Rolled Homogeneous Armor) witness plates. The behavior of jet particles has been acquired using a flash X-ray equipment when current pulse was applied into the metal jet of a shaped charge(SC) warhead. Typical results such as jet breakup and radial jet dispersion, which are due to electromagnetic pressure by current pulse, have been obtained. Dozens of penetration experiments using a shaped charge with 55 mm diameter were performed according to various combinations of major parametric variables such as electrode spacing, standoff distance from SC warhead to electrode, and charge voltage. Subsequently, interrelations between major parametric variables and DOPs into RHA were analyzed.
Key Words: Current Pulse, Shaped Charge Warhead, Metal Jet, Flash X-ray, Depth of Penetration
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