Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
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Experimental Ignition Delay Assessment of H2O2 Based Low Toxic Hypergolic Propellants with Variation of Reactive Additive Concentration

반응성 첨가제 농도에 따른 과산화수소 기반 저독성 접촉점화성 추진제의 점화지연 시험평가

  • Rang, Seongmin (Korea Advanced Institute of Science and Technology) ;
  • Kim, Kyu-Seop (Korea Advanced Institute of Science and Technology) ;
  • Kwon, Sejin (Korea Advanced Institute of Science and Technology)
  • Received : 2020.03.31
  • Accepted : 2020.05.17
  • Published : 2020.06.30
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Abstract

A study on the H2O2 based low toxic hypergolic propellant was conducted. The fuel candidates were chosen as a mixture of Amine solvent and reactive additive. The analytical performance was calculated via the NASA CEA code and 96% Isp of the NTO/UDMH was confirmed. The ignition delay measurement with drop test was performed and all candidates showed less than 10 ms in the best performance cases. Based on these results, the feasibility of high response H2O2 based low toxic hypergolic propellant was confirmed.

기존 독성 접촉점화성 추진제를 대체할 수 있는 과산화수소 기반 저독성 접촉점화성 추진제에 대한 연구를 수행하였다. Amine 계열 용매와 반응성 첨가제를 이용한 연료 후보군을 선정하고 이들에 대해 CEA code를 이용한 성능해석을 통한 이론적 비추력을 산출하였으며, Drop test를 통해 점화지연을 측정하였다. 해석 결과 산화제 농도 95 wt% 기준 NTO/UDMH 대비 96% 수준의 비추력이 확인되었으며 3종의 연료 후보 모두 10ms 이내의 짧은 점화지연이 확인되었다. 이를 통해 고응답 저독성 접촉점화성 추진제의 개발 가능성이 확인되었으며 향후 비추력과 점화지연 관점의 첨가제 농도 최적화에 대한 연구 필요성을 확인하였다.

Keywords

References

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