상호작용하는 두 스월 안정 화염에서 발생하는 준임계 분기 현상 Subcritical Bifurcation of Two Self-Excited Interacting Swirl Flames

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The nonlinear bifurcation behavior of two self-excited interacting swirl flames was investigated in a model lean-premixed gas turbine combustor. We examined the system’s thermoacoustic state using several time series analysis methods, including spectrograms, phase portraits, and recurrence plots. It was shown that the state of the system in response to the variation of the combustor length is influenced by the presence of multiple attractors, eventually leading to an extremely large amplitude limit cycle via a subcritical bifurcation.
Publisher
KOREAN SOC COMBUSTION
Issue Date
2019-06
Language
Korean
Article Type
Article
Citation

한국연소학회지, v.24, no.2, pp.17 - 24

ISSN
1226-0959
DOI
10.15231/jksc.2019.24.2.017
URI
http://hdl.handle.net/10203/263264
Appears in Collection
AE-Journal Papers(저널논문)
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03_(17-24)_김규태_상호작용하는 두 스월 안정 화염에서 발생하는 준임계 분기 현상.pdf(4.46 MB)Download
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