Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Study of the Inhibition on the Combustion of PEBAX/AP Thermoplastic Propellant

PEBAX/AP 열가소성 고체추진제의 연소 억제 방안 연구

  • Lee, Hyoungjin (PGM R&D Lab., LIG Nex1 Co., Ltd.) ;
  • Jung, Haeyoung (Research and Development Team, LIG Poongsan Protech) ;
  • Cho, Junhyun (Research and Development Team, LIG Poongsan Protech) ;
  • Lee, Youngguen (Research and Development Team, LIG Poongsan Protech) ;
  • Lee, Hojin (Research and Development Team, LIG Poongsan Protech)
  • Received : 2013.07.11
  • Accepted : 2013.08.26
  • Published : 2013.10.01
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Abstract

This study suggested techniques to reduce burning rate and their effects for the AP thermoplastic composite propellant. Burning rate obtained through ground tests using a small size motor were analyzed to investigate the effects of AP particle size and LiF of 0.5~2.0% on the inhibition reaction for the PEBAX/AP thermoplastic propellant. The results showed that utilization of large size particle of AP and addition of LiF under 2.0% can reduce the burning rate sufficiently and their quantitative effects were suggested in this paper.

AP 기반의 혼합형 열가소성 고체 추진제의 연소 억제 방안과 그 효과를 제시하였다. 입자 사이즈가 다른 AP를 적용한 효과와 0.5%~2.0%의 LiF가 미치는 영향을 분석하기 위해 PEBAX/AP 열가소성 고체 추진제에 대한 지상연소 시험을 통해 연소속도 및 압력 지수를 산출한 후 비교 분석하였다. 분석결과, 큰 AP 입자 사이즈를 적용하는 것과 2.0% 이내의 LiF 첨가는 연소속도를 감소시키는 효과를 보였으며 본 논문에서는 이에 대한 각각의 영향을 정량적으로 제시하였다.

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