반경 방향 연료 스테이징을 통한 메조스케일 다중노즐 연소불안정 및 배기가스 제어Control of Self-excited Instabilities and Emissions using Radial Fuel Staging in a Mesoscale Multinozzle Array

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The effect of radial fuel staging on combustion instabilities and NOx/CO emissions characteristics was investigated in a mesoscale multinozzle array consisting of sixty swirl injectors. We observe that inner fuel staging effectively mitigates high-amplitude oscillations by controlling the collective motion of the small-scale flames. The production of thermal NOx and CO emissions, however, tends to increase due to the presence of high-temperature region in the center flames. This result means that combustion dynamics and exhaust emissions need to be compromised when radial fuel staging scheme is used in gas turbine combustor environments.
Publisher
KOREAN SOC COMBUSTION
Issue Date
2022-09
Language
Korean
Article Type
Article
Citation

JOURNAL OF THE KOREAN SOCIETY OF COMBUSTION, v.27, no.3, pp.14 - 23

ISSN
1226-0959
DOI
10.15231/jksc.2022.27.3.014
URI
http://hdl.handle.net/10203/298782
Appears in Collection
AE-Journal Papers(저널논문)
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