Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Research Trends of Spray and Combustion Characteristics Using a Gelled Propellant

젤 추진제의 분무 및 연소특성 연구동향

  • 황태진 (한국항공대학교 대학원 항공우주 및 기계공학과) ;
  • 이인철 (한국항공대학교 대학원 항공우주 및 기계공학과) ;
  • 구자예 (한국항공대학교 항공우주기계공학부)
  • Received : 2010.08.24
  • Accepted : 2011.10.10
  • Published : 2011.10.30
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Abstract

There are many advantages in applying gel propellant to a gel propulsion system. These include higher performances, the energy management of liquid propulsion system, reliable storability and low leakage characteristics. Additionally, gel propulsion system are preferable to the high density impulse of propulsion system. Also, when compared to liquid propellants, the gel propellants acquire greater heat energy. Gel propellants achieve a high specific impulse when metal particles with aluminum and boron are added. With respect to atomization, an inactive process occurs due to the variable viscosity of the metal particles and gelling agents. To improve the defect of atomization and combustion characteristics of gel propellant, a variety of issues related to spray and combustion is introduced here.

젤 추진제는 젤 추진 시스템에서 액체 추진 시스템과 같이 제어의 용이성, 저장성, 취급성, 비누설성 등과 같은 장점을 포함한다. 또한, 젤 추진제는 액체 추진제와 비교했을 때 보다 높은 발열량 특성을 나타내며, 금속 입자(알루미늄, 보론)의 첨가로 높은 비추력을 얻을 수 있다. 미립화 특성과 관련하여 젤 추진제는 젤화제의 다양한 점도와 금속 입자의 첨가 정도에 따라 저조한 미립화 특성을 나타낸다. 젤 추진제의 미립화 특성 향상과 연소 효율을 증대 시키기 위해 젤화제의 함유량 변화와 금속 입자의 첨가 정도에 따른 젤 추진제 제조 기술을 바탕으로 동적 분무 특성, 연소 특성 연구를 수행하고 있으며, 이에 대한 연구동향을 소개한다.

Keywords

References

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