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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한기계학회 대한기계학회 논문집 B권 대한기계학회논문집 B권 제28권 제1호
발행연도
2004.1
수록면
9 - 15 (7page)

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CO₂ is a well-known green house gas as well as the major source of global wanning. Many researchers have studied to reduce CO₂ emission in combustion processes. Among the method for reducing CO₂ emission, oxygen-enriched combustion has been proposed. Because its adiabatic flame temperature is relatively too high, existing facilities must be changed or the flame temperature in the combustion zone should be reduced. The combustion characteristics, composition in the flame zone, temperature profile and emission gases were investigated experimentally for the various oxygen-enriched ratios(OER) by the addition of CO₂ under constant O₂ flow rate. Results showed that the reaction zone was quenched and broadened as the addition of CO₂ was increased. The emission of NOx in flue gas was decreased as decreasing temperature in reaction zone. It was also shown that the reaction was delayed by the cooling effect. As the addition of CO₂ was increased, the composition of CO in the flame zone was increased due to the increase of reaction rate by increasing mixing effect of oxidant/fuel at OER=0%, but the composition of CO was decreased by quenching effect at OER=50% and 100%.

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1.서론

2.실험장치

3.결과와 고찰

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