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http://dx.doi.org/10.15231/jksc.2016.21.3.024

Combustion Stability Analysis using Feedback Transfer Function  

Kim, Jina (School of Mechanical and Automotive Engineering, Gangneung-Wonju National University)
Yoon, Myunggon (School of Mechanical and Automotive Engineering, Gangneung-Wonju National University)
Kim, Daesik (School of Mechanical and Automotive Engineering, Gangneung-Wonju National University)
Publication Information
Journal of the Korean Society of Combustion / v.21, no.3, 2016 , pp. 24-31 More about this Journal
Abstract
In this paper we propose a new approach for an analysis and a prediction of combustion instability of lean premixed gas turbines. Our approach is based on the Nyquist stability criterion in control theory and a transfer function representation of a one-dimensional (1D) thermoacoustic system. A key advantage of the proposed approach is that one can systematically characterize the effects of various parameters of a combustor system on combustion instability. Our analysis method was applied to a real combustion system and the analysis results were consistent with experimental data.
Keywords
Combustion instability; Thermoacoustic model; Acoustic transfer function; Nyquist stability theorem;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
연도 인용수 순위
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