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논문 기본 정보

자료유형
학술저널
저자정보
Daehwan Kwak (Korea University of Science and Technology) Young Bae Kim (Korea Electrotechnology Research Institute) Jong Soo Kim (Korea Electrotechnology Research Institute) Chuhyun Cho (Korea Electrotechnology Research Institute) Kyung-Seung Yang (Agency for Defense Development) Seong-Ho Kim (Agency for Defense Development) Byung-Ha Lee (Agency for Defense Development) Sanghyuk An (Agency for Defense Development) Young-Hyun Lee (Agency for Defense Development) Seok Han Yoon (Hyundaiwia Corporation) In Su Koo (Hyundaiwia Corporation) Yong Gi Baik (Hyundaiwia Corporation) Yun Sik Jin (Korea Electrotechnology Research Institute)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.20 No.4
발행연도
2015.12
수록면
394 - 399 (6page)

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초록· 키워드

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Electromagnetic Induction Launchers (EIL) have been receiving great attention due to their advantages of noncontact between the coils and a projectile. This paper describes the modeling and design of 3-stage EIL to accelerate a copper projectile of 50 kg with 290 mm diameter. Our EIL consists of three independent driving coils and pulsed power modules to generate separate driving currents. To find efficient acceleration conditions, the appropriate shape of the driving coils and the position of the projectile have been calculated by using a finite element analysis (FEA) method. The results showed that the projectile can be accelerated more effectively as the gap between the coils is smaller; a final velocity of 45 m/s was obtained. The acceleration efficiency was estimated to be 23.4% when a total electrical energy of 216 kJ was discharged.

목차

1. Introduction
2. Design and Modelling
3. Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2016-428-002131525