한국추진공학회지 (Journal of the Korean Society of Propulsion Engineers)

  • 제22권2호
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  • Pages.108-114
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  • 2018
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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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하이브리드 로켓용 파라핀/알루미늄 연료의 알루미늄 입자크기에 따른 열적·유변학적 특성 연구

Thermal and Rheological Characteristics of Paraffin Based Fuel on Aluminum Particle Size for Hybrid Rocket Application

  • Han, Seongjoo (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Kim, Jinkon (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Moon, Heejang (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Kim, Junhyung (Agency for Defense Development) ;
  • Ko, Seungwon (Agency for Defense Development)
  • 투고 : 2017.11.21
  • 심사 : 2018.01.16
  • 발행 : 2018.04.01
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초록

본 연구에서는 유입후퇴율 거동에 대한 정성적인 예측을 위하여 나노 및 마이크로 알루미늄 입자가 10 wt.% 첨가된 파라핀/알루미늄 연료에 대해 열적특성 및 유변학적 특성에 관한 분석을 수행하였다. 측정결과, 알루미늄 입자 혼합연료에 대하여 열적특성 대비 유변학적 특성에 입자첨가 여부 및 입자크기의 영향이 존재함을 확인하였다. 또한, 열적특성에 나타난 변화에 비해 유변학적 특성에 나타난 변화가 유입후퇴율에 큰 영향을 미치고 민감함을 확인하였다.

In this study, the thermal and rheological characteristics of a 10 wt.% addition of aluminum particles and the effect of the particle size were investigated to qualitatively analyze the paraffin fuel entrainment regression rate. The results revealed that the addition of aluminum particles and their relative particle size affected the rheological characteristics, rather than the thermal characteristics. Moreover, it was found that the variation of thermal properties had a minor effect on the entrainment regression rate, in comparison to the variation in rheological properties.

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참고문헌

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