Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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A Study on Characteristic of Eco-friendly Propellant Using GUDN/BTATz

GUDN/BTATz를 적용한 친환경추진제 특성 연구

  • Jeon, Su-a (Propulsion Center, Hanwha Coporation Daejeon Plant) ;
  • Won, Jong-ung (Propulsion Center, Hanwha Coporation Daejeon Plant) ;
  • Park, Sung-jun (Propulsion Center, Hanwha Coporation Daejeon Plant) ;
  • Park, Jung-ho (Propulsion Center, Hanwha Coporation Daejeon Plant) ;
  • Choi, Sunghan (Propulsion Center, Hanwha Coporation Daejeon Plant)
  • Received : 2020.04.01
  • Accepted : 2020.06.13
  • Published : 2020.08.31
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Abstract

This study aims to develop eco-friendly propellant that reduce the generation of harmful gases such as HCl gas and increase the emmision of nitrogen gas emissions. For this purpose, GUDN(N-Guanylurea dinitramide) and BTATz(3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine), which are low carbon high nitrogen materials, were used instead of AP(Ammonium Perchlorate) and Al(Aluminium), which are gernerally used in solid propellant. The prepared propellants were analyzed for mechanical properties and combustion characteristics, performance and AGARD smoke classification. Compared with AP/Al propellant, GUDN/BTATz propellant tended to decrease mechanical and combustion rate. Also, as a result of the static test after the production of the 4-inch motor, the performance of combustion of the GUDN/BTATz propellant decreased, but it was confirmed that the secondary smoke was improved by reducing harmful gases such as HCl gas.

본 연구에서는 염소가스 등 유해가스의 발생을 줄이고 질소가스 방출을 증가시키는 친환경 추진제 조성개발을 목표로 한다. 이에 고체 추진제에 일반적으로 사용되는 AP(Ammonium Perchlorate)와 Al(Aluminium)를 대신하여 저탄소 고질소 물질인 GUDN(N-Guanylurea dinitramide)과 BTATz(3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine)를 사용하였다. 제조된 추진제는 기계적 및 연소 특성, 성능 그리고 AGARD 연기등급을 분석하였다. AP/Al 추진제에 비해 GUDN/BTATz추진제는 기계적 성질과 연소 속도가 감소하는 경향을 나타내었다. 또한, 4인치표준모타 제작 후 지상연소 시험 결과 GUDN/BTATz추진제 연소 시 성능은 감소하였으나, 염소가스 등의 유해 가스를 줄여 2차 연기 등급도 개선됨을 확인할 수 있었다.

Keywords

References

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