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Study on Solid Propellant Grain Burn-back Analysis Applying Face Offsetting Method

Face Offsetting Method를 적용한 고체 로켓 모터 그레인 Burn-back 해석 연구

  • Oh, Seok-Hwan (Department of Aerospace Engineering, Inha University) ;
  • Lee, Sang-Bok (Department of Aerospace Engineering, Inha University) ;
  • Kim, Yong-Chan (Department of Aerospace Engineering, Inha University) ;
  • Cha, Seung-Won (Department of Aerospace Engineering, Inha University) ;
  • Kim, Kyoung-Rae (Department of Aerospace Engineering, Inha University) ;
  • Kim, Duk-Min (Department of Aerospace Engineering, Inha University) ;
  • Lee, Hyoungjin (Department of Aerospace Engineering, Inha University) ;
  • Ro, Tae-Seong (Department of Aerospace Engineering, Inha University)
  • Received : 2018.06.11
  • Accepted : 2019.06.16
  • Published : 2019.08.01

Abstract

The 3-dimensional grain burn-back analysis is performed using the face offsetting method for calculating the solid rocket motor performance. The grain burning configuration analysis is a moving surface problem that calculates the regression of the burning surface. In the previous study, various moving interface analysis methods were applied for the grain burn-back analysis, but the results were imperfect. In this study, a 3-dimensional grain burn-back analysis module is developed using the face offsetting method, which combines the advantages of the existing moving interface analysis methods to increase the accuracy and robustness. As a result, the face offsetting method is proved to be efficient for the grain burn-back analysis.

Acknowledgement

Supported by : 한국연구재단

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