Nonlinear self-excited thermoacoustic oscillations: intermittency and flame blowout

By Lipika Kabiraj, R. Sujith. Journal of Fluid Mechanics, 2012

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Intermittency route to thermoacoustic instability in turbulent combustors (2014, methodology): “The dynamic transitions in a thermoacoustic system that consists of ducted laminar premixed flames was studied by Sujith and coworkers (Kabiraj et al. 2012; Kabiraj & Sujith 2012; Kabiraj, Sujith & Wahi 2012a,b).”
Time domain simulations of nonlinear thermoacoustic behaviour in a simple combustor using a wave-based approach (2015, methodology): “Following the experimental method used by [30,42,80,53], the flame is also moved along the Rijke tube by a step of 0.”
Nonlinear self-excited thermoacoustic oscillations of a ducted premixed flame: bifurcations and routes to chaos (2014, methodology): “…the ﬂame, we ﬁnd that this model captures much of the elaborate behaviour seen in experiments, where more realistic effects such as temperature changes, three-dimensional ﬂow behaviour and area changes are all present (Gotoda et al. 2011, 2012; Kabiraj et al. 2012; Kabiraj & Sujith 2012 a , b ).”
Sensitivity and Nonlinearity of Thermoacoustic Oscillations (2018, background): “Supercritical and subcritical Hopf bifurcation are observed both in weakly nonlinear analysis and in experiments (Moeck et al. 2008, Kabiraj et al. 2012b).”
Loss of Chaos in Combustion Noise as a Precursor of Impending Combustion Instability (2013, background): “The application of nonlinear time series analysis to signals acquired from thermoacoustic systems has been demonstrated by [25].”