한국항공우주학회지 (Journal of the Korean Society for Aeronautical & Space Sciences)

  • 제32권4호
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  • Pages.111-117
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  • 2004
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  • 1225-1348(pISSN)
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  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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케로신과 액체산소를 추진제로 하는 10톤급 액체로켓엔진의 재생냉각 특성 평가

Evaluation on the Regenerative Cooling Characteristics in Liquid Rocket Engine of 10tf-thrust using Kerosene and Liquid Oxygen as a Propellant

  • 발행 : 2004.05.01
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초록

케로신과 액체산소를 추진제로 하며, 10톤을 설계 추력으로 하는 우주 발사체의 2단용 액체로켓엔진의 재생 냉각 특성에 대한 해석적 연구를 수행하였다. 또한 보조적인 냉각 방법으로서 노즐 확장부에는 대기로의 복사 방열에 의한 냉각을 적용하였다. 본 연구를 통해, 케로신을 연료로 하는 10톤 추력의 2단용 액체로켓엔진에서 재생냉각과 복사 냉각에 의한 냉각 기구만으로는 소재의 열 및 열구조적인 불안정성과 냉각채널에서의 과다한 압력강하에 의해 적합하지 않다는 것을 확인하였다.

An analytical study was carried out to evaluate the regenerative cooling characteristics in the liquid rocket engine of a 10tf-thrust level using kerosene as a fuel. As a supplementary cooling method, a radiative cooling was applied to the nozzle extension. It was found out from this work that the cooling system with the regenerative and radiation cooling only is not adaptable for the liquid rocket engine of a 10tf-thrust level using kerosene as a fuel for the $2^{nd}$ stage of the space launch vehicle, with the viewpoint of the thermal and thermo-structural instability and the excessive pressure drop in the cooling channel.

키워드

참고문헌

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피인용 문헌

  1. A Study on the Cooling Mechanism in Liquid Rocket Engine of 10tf-Thrust Level using Kerosene as a Fuel vol.31, pp.10, 2003, https://doi.org/10.5139/JKSAS.2003.31.10.066