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http://dx.doi.org/10.5139/JKSAS.2018.46.3.257

A Study on the Penetration Characteristics of a Steel Fragment Impacting on the Target Plate of Aluminum 2024  

Kim, Deuksu (Department of Basic Science, Korea Air Force Academy)
Kang, Sunbu (Department of Basic Science, Korea Air Force Academy)
Jung, Daehan (Department of Mechanical Engineering, Korea Air Force Academy)
Chung, Youngjin (Department of Aeronautical Science, Jungwon University)
Park, Yongheon (Department of Aeronautical Science, Jungwon University)
Park, Seikwon (Department of Aeronautical Science, Jungwon University)
Hwang, Changsu (Department of Aeronautical Science, Jungwon University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.3, 2018 , pp. 257-268 More about this Journal
Abstract
We have studied the damage mechanism of a metallic thin plate by the highly energetic fragments generated from high explosive(HE) warhead. The penetration process has presumed that the velocity of a fragment is in the range of 350 m/s to 3353 m/s, the thickness of Aluminum 2024 target plate is in the range of 1 mm~6.3 mm thick. The mass of fragment with hemisphere nose shape is in the range of 0.32 g to 16 g. The analytical solution for penetration process has been derived by using the report of the project THOR. The results of analysis implied that the closed forms by an exponentially decay function well fit the change of the ballistic limit velocity, loss velocity and loss mass of fragment as the mass of fragment and the thickness of target plate increase.
Keywords
Aircraft Survivability; Vulnerability Assessment; Penetration Characteristics; HE Warhead; Aluminum 2024;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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