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자료유형
학술저널
저자정보
정병규 (순천대학교) 이기만 (순천대학교)
저널정보
한국연소학회 한국연소학회지 한국연소학회지 제19권 제1호
발행연도
2014.3
수록면
17 - 28 (12page)

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In this study, the laminar burning velocity of syngas fuel(H₂/CO) and flame structure with various hydrogen contents were studied using both experimental measurements and detailed kinetic analysis. The laminar burning velocities were measured by the angle method of Bunsen flame configuration and the numerical calculations including chemical kinetic analysis were made using CHEMKIN Package with USC-Mech II. A wide range of syngas mixture compositions such as H₂: CO = 10 : 90, 25 : 75, 50 : 50, 75 : 25 and equivalence ratios from lean condition of 0.5 to rich condition of 5.0 have been considered. The experimental results of burning velocity were in good agreement with previous other research data and numerical simulation. Also, it was shown that the experimental measurements of laminar burning velocity linearly increased with the increment of H₂ content although the burning velocity of hydrogen is faster than the carbon monoxide above 10 times. This phenomenon is attributed to the rapid production of hydrogen related radicals such as H radical at the early stage of combustion, which is confirmed the linear increase of radical concentrations on kinetic analysis. Particular concerns in this study are the characteristics of burning velocity and flame structure different from lean condition for rich condition. The decrease of OH radicals and double peaks are observed with H2 content in rich condition once H₂ fraction exceeds over threshold.

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ABSTRACT
1. 서론
2. 실험장치 및 해석방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2015-430-001320219