The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

Analysis of Hot Gas Flew Considering Arc-Flow Interaction

아크플라즈마와 유동간의 상호작용을 고려한 열가스 유동 해석

  • 김홍규 (한국전기연구원 신전력기기그룹) ;
  • 박경엽 (한국전기연구원 신전력기기그룹 그룹장) ;
  • 배채윤 (서울대학교 전기·컴퓨터공학부) ;
  • 조경연 (서울대학교 전기·컴퓨터공학부 연구원) ;
  • 정현교 (서울대학교 전기·컴퓨터공학부)
  • Published : 2002.03.01
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Abstract

This parer presents the analysis of hot gas flow in puffer-type circuit breakers using FVFLIC method. For the analysis of arc-flow interaction, the flow field is analyzed from the equations of conservation for mass, momentum and energy with the assumption of local thermodynamic equilibrium state. The arc is represented as the energy source term composed of ohmic heating and radiation term in the energy conservation equation. Ohmic heating is computed by the electric field analysis only within the conducting plasma region. An approximate radiation transport model is employed for the evaluation of emission and absorption of the radiation. The analysis method was applied to the real circuit breaker model and simulation results such as pressure rise and arc voltage were compared with the experimental ones.

Keywords

References

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