Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Design, Fabrication and Testing of Planar Type of Micro Solid Propellant Thruster

평판형 마이크로 고체 추진제 추력기의 설계, 제작 및 평가

  • 이종광 (한국과학기술원 항공우주공학과) ;
  • 권세진 (한국과학기술원 항공우주공학과)
  • Published : 2006.12.30
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Abstract

With the development of micro/nano spacecraft, concepts of micro propulsion are introduced for orbit transfer and drag compensation as well as attitude control. Micro solid propellant thruster has been attention as one of possible solution for micro thruster. In this paper, micro solid propellant thruster is introduced and research on basic components of a micro solid propellant thruster is reported. Micro Pt igniter was fabricated through negative patterning and quantitative effect of geometry was estimated. The characteristic of HTPB/AP solid propellant was investigated to measure the homing velocity. A combustion chamber was fabricated by means of anisotropic etching of photosensitive glass. Finally, micro solid propellant thrusters having various geometries were fabricated and tested.

마이크로/나노 위성체 개발과 함께 위성체의 자세 제어 및 궤도 수정을 위한 마이크로 추력기의 개발이 필요하게 되었다. 다양한 마이크로 추력기들 중 가장 각광 받고 있는 마이크로 고체 추진제 추력기를 소개하고, 추력기의 구성 요소들에 관한 연구 결과를 기술하였다. 추진제 점화를 위한 마이크로 백금 점화기를 제작하여 형상 변수에 관한 성능 평가를 수행하였다. HTPB/AP 고체 추진제의 특성 연구를 수행하여, 추진제의 연소 속도를 측정하였다. 마이크로 챔버는 감광성 유리를 이방성 식각하여 제작하였으며, 최종적으로 이들 요소들을 통합하여 마이크로 고체 추진제 추력기의 연소 실험을 수행하였다.

Keywords

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