인문학
사회과학
자연과학
공학
의약학
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예술체육학
복합학
DBpia AI
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AI 아이디어
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Citeasy
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지원사업
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커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
This study was conducted to analyze the characteristics of flameless combustion and emissions using the lab-scale flameless combustion system fueled with methane. Especially, experiments were performed under oxygen-enriched conditions to expand the applications of flameless combustion and NO<SUB>x</SUB> reduction. The combustor able to induce the internal flue gas recirculation was applied, while the preheating of fuel and oxidant was not considered. The fraction of oxygen in oxidant was varied from 24.4% to 26.3%. The heat input was fixed at 3 kW<SUB>th</SUB> in all cases. From the experimental results, there was three combustion modes as the conventional flame, transitional period and flameless combustion. In the transitional period, the ignition and extinction of flame occurred repeatedly. Also, the flue gas compositions and pressure of the combustor were unstable. In the flameless combustion, the hot-spot of the conventional flame disappeared and the temperature distribution of the combustor became uniform. Moreover, the thermal-NO<SUB>x</SUB> was reduced in the flameless combustion mode and the trade-off relationship between CO and NO<SUB>x</SUB> was improved.
본문·목차
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