한국추진공학회지 (Journal of the Korean Society of Propulsion Engineers)

  • 제20권6호
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  • Pages.101-112
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  • 2016
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  • 1226-6027(pISSN)
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  • 2288-4548(eISSN)
한국추진공학회 (The Korean Society of Propulsion Engineers)
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초고속 비행체 항력 감소를 위한 플라즈마 분사장치에 대한 예비 결과

Preliminary Results on Plasma Counterflow Jets for Drag Reduction of a High Speed Vehicle

  • Kang, Seungwon (Department of Aerospace Engineering, Graduate School at Chungnam National University) ;
  • Choi, Jongin (Department of Aerospace Engineering, Graduate School at Chungnam National University) ;
  • Lee, Jaecheong (Department of Aerospace Engineering, Graduate School at Chungnam National University) ;
  • Huh, Hwanil (Department of Aerospace Engineering, Chungnam National University)
  • 투고 : 2016.09.12
  • 심사 : 2016.11.09
  • 발행 : 2016.12.01
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초록

초음속 비행체의 항력 감소 기초 실험을 위한 플라즈마 분사장치의 특성에 대해 분석하였다. 플라즈마 종류는 고압에서 발생이 가능한 열 플라즈마가 적합하다. 열 플라즈마를 발생하기 위해 플라즈마 토치를 사용한다. 플라즈마 토치는 고압 고속 분사가 가능하기 때문에 플라즈마 분사 제트에 적합한 플라즈마 발생장치이다. 본 연구에서는 확보한 플라즈마 토치에 대해 분석 및 정리하였고 기초 연구를 수행하였다. 그 결과 플라즈마 제트 발생의 주요 변수로는 플라즈마 토치의 전극 간격과 공급 기체의 압력으로 고려되었다.

The characteristic analysis and fundamental test of a plasma generator is performed for drag reduction of a high speed vehicle. In high pressures, thermal plasmas is suitable for generating plasmas. The appropriate plasma torch is selected and used to generate thermal plasmas. The plasma torch, which can emit high-speed and high-pressure plasma jet, is suitable for generating plasma counterflow jet. In this study, the fundamental test and analysis for the plasma torch is summarized. Results show that supplying gas pressures and electrode gap of plasma torch are considered as critical parameters for generating plasma jets.

키워드

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