Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Numerical Study on the NH3/CH4 Symmetric Premixed Counterflow Flames - Part I Characteristics of Extinction Behavior

암모니아/메탄 예혼합 대향류 대칭화염에 관한 수치해석적 연구 - Part I 소화거동의 특성

  • EUNSEO JIN (School of Mechanical and Aerospace Engineering/Center for Aerospace Engineering Research) ;
  • KEEMAN LEE (School of Mechanical and Aerospace Engineering/Center for Aerospace Engineering Research)
  • 진은서 (국립순천대학교 기계우주항공공학부/우주항공연구센터) ;
  • 이기만 (국립순천대학교 기계우주항공공학부/우주항공연구센터)
  • Received : 2023.01.12
  • Accepted : 2023.02.20
  • Published : 2023.02.28
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Abstract

Experimental data conducted by Colson et al. and numerical data conducted in this study were compared through counterflow flames to understand of the characteristic of basic flame about mixture of ammonia/methane. In order to use the suitable numerical mechanism, the validation was performed using total four mechanisms and the Okafor's mechanism showed satisfactory experimental results. The extinction boundary of the stability map could be explained through the effective Lewis number and the trend of LeD. The extinction behavior of the flame was different under the lean and rich symmetric conditions and it was investigated by the major variables, global strain rate (ag) and mole fraction of ammonia (ΩNH3).

Keywords

Acknowledgement

본 논문은 순천대학교 교연비 사업에 의하여 연구되었음

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