Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Solid Propellants for Propulsion System Including a Yellow Iron Oxide

황색산화철을 포함하는 혼합형 추진제의 특성에 관한 연구

  • Park, Sungjun (Missile system integration/propulsion center, Hanwha Corporation) ;
  • Won, Jongung (Missile system integration/propulsion center, Hanwha Corporation) ;
  • Park, Jungho (Missile system integration/propulsion center, Hanwha Corporation) ;
  • Park, Euiyong (Missile system integration/propulsion center, Hanwha Corporation) ;
  • Choi, Sunghan (Missile system integration/propulsion center, Hanwha Corporation)
  • Received : 2017.06.03
  • Accepted : 2017.09.25
  • Published : 2018.06.01
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Abstract

There is no significant difference in the initial viscosity of a propellant applied with yellow iron oxide and red iron oxide. In addition, the thermal decomposition rate of the material with added yellow iron oxide is faster than that with the addition of red iron oxide. Specifically, it was confirmed that the pressure exponent was 18% lower at high temperature and high pressure with yellow iron oxide than with red iron oxide. The initial viscosity was lowest at 71% of the large particle to small particle ratio.

황색 산화철과 적색 산화철을 적용한 추진제의 초기점도는 각각 5.4, 5.6 kps로 특이한 차이점이 없었다. 또한 황색 산화철을 첨가한 물질의 열분해 속도가 적색 산화철을 첨가한 것 보다 빠르게 진행되며, 특히 고온 고압에서의 압력지수가 18% 낮은 것을 확인하였다. 황색 산화철을 적용한 추진제의 산화제 비율 변화에 따른 점도를 비교하면 큰 입자/작은 입자 비율 71%일 때 초기점도가 가장 낮았다.

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