Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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The Analysis of High Frequency Signal for 7tonf-class Power Pack System of KSLV-II

한국형발사체 7톤 파워팩 시스템 고주파 신호 분석

  • So, Younseok (Engine Test and Evaluation Team, Korea Aerospace Research Institute) ;
  • Yi, Seungjae (Engine Test and Evaluation Team, Korea Aerospace Research Institute) ;
  • Lee, Kwangjin (Engine Test and Evaluation Team, Korea Aerospace Research Institute) ;
  • Kim, Seunghan (Engine Test and Evaluation Team, Korea Aerospace Research Institute) ;
  • Han, Yeoungmin (Engine Test and Evaluation Team, Korea Aerospace Research Institute)
  • Received : 2015.12.16
  • Accepted : 2016.05.15
  • Published : 2016.06.01
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Abstract

The 7tonf-class power pack test at turbopump test facility in Naro space center was performed for confirmations of starting/running/ending operation characteristics before 7tonf rocket engine hot-firing test. The dynamic pressure mounted on a combustion chamber of gas generator is measured under 0.2 bar which does not conditioned to the unstable combustion. The analysis results of RPM and acceleration sensors mounted on the turbopump, the power pack test was performed to the estimated RPM with the stable combustion.

7톤 엔진 시험 전에 엔진 시동/정격구동/종료 특성을 확인하고자 나로우주센터 터보펌프 실매질 시험설비에서 파워팩 시험을 수행하였다. 가스발생기 연소실의 동압은 0.2 bar이하로 측정되어 연소 불안정을 발생하지 않았고, 터보펌프에 장착된 RPM 및 가속도 센서 신호 분석 결과, 예측 RPM 범위 안에서 파워팩 시험이 안정하게 수행되었다는 것을 확인하였다.

Keywords

References

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