Thermoacoustic instabilities in annular gas turbine combustors often involve modes which
vary in both the longitudinal and circumferential directions. Recent experimental studies …

For annular combustors, the interactions between different modal structures (longitudinal,
azimuthal spinning, standing, and slanted) remain a challenge in ongoing studies of …

Thermoacoustic instabilities originate from the interaction of unsteady heat release rate
associated with flames and the acoustic modes of a combustor. A feedback loop not …

Can-annular combustors consist of N distinct cans setup symmetrically around the axis of
the gas turbine. Each can is connected to the turbine inlet by means of a transition duct. At …

This work introduces a novel method to represent the topological complexity of liners and
boundaries in Low Order Models for thermoacoustic instabilities, under the assumption of …

In the current study azimuthal forcing of an annular combustor with swirling flames has been
performed to present for the first time the Heat Release Rate (HRR) response to all possible …

This work proposes an improvement to existing methods based on modal expansions used
for the prediction of thermoacoustic instabilities in zero Mach number flow conditions …

Thermoacoustic instability is a common problem in the operation of modern gas turbines.
The prediction of thermoacoustic instability and the clarification of its mechanism are the …

In this study, the frequency and amplitude of combustion instability were predicted using an
artificial neural network (ANN). Experimental data, obtained from a CH 4-fueled partially …

Thermo-acoustic eigenmodes of annular or can-annular combustion chambers, which
typically feature a discrete rotational symmetry, may be computed in an efficient manner by …