Investigation of azimuthal staging concepts in annular gas turbines

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Modal dynamics of self-excited azimuthal instabilities in an annular combustion chamber (2013, unknown): “bers [19,3,20,21].”
On the dynamic nature of azimuthal thermoacoustic modes in annular gas turbine combustion chambers (2013, background): “…out using low-order thermoacoustic network simulations (see Evesque et al. 2003; Schuermans et al. 2006; Morgans and Stow 2007; Stow and Dowling 2009) or deriving nonlinear analytical models (Schuermans et al. 2006; Noiray et al. 2011) shed some light on the dynamic nature of the azimuthal modes.”
Dynamics and control of premixed combustion systems based on flame transfer and describing functions (2020, background): “This type of model often serves in theoretical analysis of the dynamics of purely azimuthal modes corresponding to β = 0 (Noiray et al. 2011; Ghirardo et al. 2016).”
Time domain simulations of nonlinear thermoacoustic behaviour in a simple combustor using a wave-based approach (2015, methodology): “There are also some simpler models, such as that proposed by [65], which is the third-order Taylor expansion of a hyperbolic tangent function.”