수소 MILD 연소에서 화염거동과 배출 특성에 관한 실험적 연구

To mitigate the drawbacks of hydrogen fuel, which is characterized by high-temperature combustion and higher thermal NOx emissions, moderate or intense low oxygen dilution (MILD) combustion which is characterized by low-temperature combustion, could be an alternative. The conditions for achieving MI...

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Published in한국수소 및 신에너지학회 논문집 Vol. 35; no. 6; pp. 650 - 660
Main Authors 이기현(GIHYEON LEE), 이기만(KEEMAN LEE)
Format Journal Article
LanguageKorean
Published 한국수소및신에너지학회 2024
Subjects
기계공학
Hot gas oxidant(고온 산화제 가스)
x&lt
NO&lt
Flame behavior(화염거동)
MILD combustion(마일드 연소)
sub&gt
emission(NO&lt
Spatial combustion(공간 연소)
배출 성능
NO_x
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Summary:To mitigate the drawbacks of hydrogen fuel, which is characterized by high-temperature combustion and higher thermal NOx emissions, moderate or intense low oxygen dilution (MILD) combustion which is characterized by low-temperature combustion, could be an alternative. The conditions for achieving MILD combustion mode were investigated, and it was found that lower oxygen concentration favored the MILD combustion zone. The flame behavior, flame length, and NOx emission trends were examined with oxygen concentration and hydrogen content as key variables. As the combustion approached the MILD mode, the flame length increased, while NOx emissions decreased. Additionally, NOx emissions in the MILD mode were measured to have negative values.
Bibliography:KISTI1.1003/JNL.JAKO202407836004103
ISSN:1738-7264
2288-7407
DOI:10.7316/JHNE.2024.35.6.650