Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Analysis of Elements Influencing on Performance of Interior Ballistics

강내탄도의 성능 영향 요소 분석

  • Received : 2011.11.30
  • Accepted : 2013.02.04
  • Published : 2013.08.01
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Abstract

The analysis of performance and internal flow according to various numerical models for interior ballistics has been conducted. The initial flow has been mainly affected by the drag model of propellants and their drag degradation reduces oscillations of differential pressure between the breech and the shot base. Models of Nusselt number haven't influenced the major performance of interior ballistics. The negative differential pressure isn't generated in the case without the heat transfer of propellants.

강내탄도의 다양한 해석 모델에 따른 성능 및 내부 유동을 분석하였다. 항력 모델은 내부 유동에 주된 영향을 미치며 고체추진제의 항력 감소는 차압의 진동을 감소시키는 것으로 나타났다. Nusselt 수 모델은 강내탄도의 주요 성능에 영향을 미치지 않으며 고체추진제의 열전달을 고려하지 않는 경우에는 역압력이 발생하지 않았다.

Keywords

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