Thermoacoustic oscillations associated with transverse acoustic modes are routinely
encountered in combustion chambers. While a large literature on this topic exists for rockets …

Combustion instabilities represent a long known problem in combustion technology. The
complex interactions between acoustics and turbulent swirling flames are not fully …

An experimental investigation of the flow field of a 12 burner annular combustor and a single
burner combustor with the same burner was performed. It has revealed the aerodynamic …

A method for predicting the onset of acoustically driven combustion instabilities in gas
turbine combustor is examined. The basic idea is that the governing equations of the …

Destructive thermoacoustic instabilities may potentially slow down significantly the ongoing
development of hydrogen combustors for decarbonizing aviation. Their early prediction …

A three-dimensional finite element code is used for the eigenvalue analysis of the
thermoacoustic combustion instabilities modeled through the Helmholtz equation. A full …

Featured Application Stable design of Combustor in industrial boiler and burner. Abstract
The response of flames' heat release to acoustic excitation is a critical factor for …

Abstract Knowledge of flame responses to acoustic perturbations is of utmost importance to
predict thermoacoustic instabilities in gas turbine combustors. However, measuring transfer …

The aim of this paper is to investigate how nonlinear flame models influence the bifurcation
process that characterize the transition to self-sustained thermo-acoustic pressure …

This study assesses and compares two alternative approaches to determine the acoustic
scattering matrix of a premixed turbulent swirl combustor:(1) The acoustic scattering matrix …