Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Study on the Temporal Density Variation of Chemical Species in the Atmospheric Pressure Plasma Process

대기압 플라즈마 프로세스에 있어서 시간에 따른 화학종의 밀도변화 연구

  • 한상보 (경남대학교 전기공학과) ;
  • 박성수 (경남대학교 대학원 메카트로닉스 협동과정) ;
  • 김종현 (경남대학교 대학원 첨단공학과) ;
  • 박재윤 (경남대학교 전기공학과)
  • Received : 2013.03.06
  • Accepted : 2013.04.24
  • Published : 2013.07.31
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Abstract

This study is to discuss simulation results with 51 principal chemical reactions in non-thermal plasma space under atmospheric pressure, and the ambient gas was mainly composed of oxygen and nitrogen molecules. The initial density of O and OH radicals under the ambient temperature of 300K is largely generated in comparison with other higher temperature, and the density of O radical decreased from $20{\mu}s$ according to increase the temperature. The initial density of OH radical seemed to decrease steeply at the initial stage. By increasing the initial density of $H_2O$ molecules, O radical's effect was few and the density of OH radical was largely generated about 2 times. In addition, ozone density was increased as increasing the density of O radical, but it was decreased as increasing the density of $H_2O$. In case of the temperature more than 300K, $NO_2$ tend to be removed, but NO was increased than the initial density.

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References

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