Journal of Hydrogen and New Energy (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Numerical Study of Combustion Characteristics for Hydrogen Content in Syngas in Opposed-Flow Flame

대향류 화염에서의 합성가스 내 수소 함량에 따른 연소 특성 변화에 관한 수치해석 연구

  • Received : 2020.09.07
  • Accepted : 2020.10.30
  • Published : 2020.10.30
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Abstract

Various researches are being conducted to reduce greenhouse gases generated by the consumption of traditional energy resources. This study was conducted to numerically analyze the combustion characteristics and N-S reaction behavior with respect to the H2 content of syngas composed of CO and H2 in pressurized air combustion. A non-premixed opposed flow flame model was applied a modified detailed mechanism with S-chemistry was developed based on GRI 3.0 to simulate the syngas reaction. As the hydrogen content increased, the flame thickness increased due to the fast reactivity of hydrogen. In the rich region, NO and SO2 were reduced by reaction with H radical and H bonding of NO was suppressed by the formation of HOSO.

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References

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