The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Monte Carlo Simulation of Thermionic Low Pressure Discharge Plasma

저압 열전자 방전 플라즈마의 Monte Carlo 시뮬레이션

  • Koh, Wook Hee (Dept. of Electronics, Computer and Communication, Hanseo Univ.)
  • 고욱희 (한서대학교 전자컴퓨터통신학부)
  • Received : 2012.10.07
  • Accepted : 2012.11.13
  • Published : 2012.12.01
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Abstract

Nonlinear dynamical behaviors in thermionic low pressure discharge are investigated using a particle-in-cell(PIC) simulation. An electrostatic PIC code is developed to model the plasma discharge system including the kinetic effects. The elastic collision, excitation collision, ionization collision, and electron-ion recombination collision are considered in this code. The generated electrons and ions are traced to analyze physical characteristics of the plasma. The simulation results show that the nonlinear oscillation structures are observed for cold plasma in the system and the similar structures are observed for warm plasma with a shift in values of the bifurcation parameter. The detailed oscillation process can be subdivided into three distinct mode; anode-glow, temperature-limited, and double-layer modes.

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References

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