Precise Distribution Simulation of Scattered Submunitions Based on Flight Test Data

Sangyong Yun; Junsik Hwang; Jinyoung Suk

doi:10.5139/IJASS.2017.18.1.108

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저널정보

한국항공우주학회
International Journal of Aeronautical and Space Sciences 학술저널
International Journal of Aeronautical and Space Sciences Volume.18 Number.1
2017.3 108 - 117 (10page)
DOI : 10.5139/IJASS.2017.18.1.108

저자정보

Sangyong Yun (Agency for Defense Development)
Junsik Hwang (Agency for Defense Development)
Jinyoung Suk (Chungnam National University)

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초록·키워드

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This paper presents a distribution simulation model for dual purpose improved conventional munitions based on flight test data. A systematic procedure for designing a dispersion simulation model is proposed. A new accumulated broken line graph was suggested for designing the distribution shape. In the process of verification and simulation for the distribution simulation model, verification was performed by first comparing data with firing test results, and an application simulation was then conducted. The Monte Carlo method was used in the simulations, which reflected the relationship between ejection conditions and real distribution data. Before establishing the simulation algorithm, the dominant ejection parameter of the submunitions was examined. The relationships between ejection conditions and distribution results were investigated. Five key distribution parameters were analyzed with respect to the ejection conditions. They reflect the characteristics of clustered particle dynamics and aerodynamics.

#submunition #distribution #simulation #ejection