Nonlinear stability analysis of intrinsic thermoacoustic modes in a one-dimensional longitudinal combustor

This paper investigates the nonlinear behavior associated with pure intrinsic thermoacoustic (ITA) modes. Unstable ITA modes dominate acoustic modes and drive system instability in certain parameter regimes of a combustor. Frequency of these modes are independently supported by flame dynamics and no...

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Veröffentlicht in:	Combustion and flame 2020-05, Vol.215, p.309-323
Hauptverfasser:	Mohan, Balasundaram, Mariappan, Sathesh
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplitudes Boundary conditions Combustion chambers Dimensional stability Flame describing function Hopf bifurcation Low pass filters Mathematical models Nonlinear analysis Nonlinear stability analysis Parameters Pure ITA mode Stability analysis Stability criteria Subcritical and supercritical Hopf bifurcation Thermoacoustics
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