In a thermoacoustic system, such as a flame in a combustor, heat release oscillations couple
with acoustic pressure oscillations. If the heat release is sufficiently in phase with the …

In an acoustic cavity with a heat source, such as a flame in a gas turbine, the thermal energy
of the heat source can be converted into acoustic energy, which may generate a loud …

Unlike electric vehicles and electric aircrafts, hydrocarbon-fuelled (fossil) engine systems
are much noisier. By conducting one-step chemical reaction-thermodynamics-acoustics …

The problem of output-only parameter identification for nonlinear oscillators forced by
colored noise is considered. In this context, it is often assumed that the forcing noise is white …

We model acoustic oscillations driven by velocity-coupled heat release rate fluctuations. We
obtain an inhomogeneous wave equation and convert it to the frequency domain with a …

Abstract Monte Carlo and Active Subspace Identification methods are combined with first-
and second-order adjoint sensitivities to perform (forward) uncertainty quantification analysis …

Gas turbines and rocket engines sometimes suffer from violent oscillations caused by
feedback between acoustic waves and flames in the combustion chamber. These are known …

This overview collects a range of well characterized experiments used in the step-wise
validation of turbulent combustion models, from gas phase non-premixed jet flames to spray …

In this paper, non-intrusive polynomial chaos expansion (NIPCE) is used for forward
uncertainty quantification and sensitivity analysis of thermoacoustic stability of two premixed …

Acoustic liner is generally adopted to damp noise in aero-engines and gas turbines. This
paper presents a systematic study about the effects of an acoustic liner on thermoacoustic …