The unsteady response of a flame to acoustic or flow perturbations plays a crucial role in
thermoacoustic combustion instability. The majority of studies on this subject presents and …

The present work compares the respective advantages and disadvantages of compressible
and incompressible computational fluid dynamics (CFD) formulations when used for the …

Considerable research studies have been reported on developing effective active control
means to mitigate combustion instability. In this work, a neural network PID (NNPID) …

A partially premixed swirl-stabilised flame under thermoacoustically unstable conditions is
studied using large eddy simulation with an unstrained flamelet model for the filtered …

In the present work, the combustion instability of a premixed swirl combustor was
experimentally and theoretically investigated. Results show that both intrinsic …

A two-dimensional laminar premixed slit flame subjected to the transverse oncoming flow
disturbance has been modelled in this work. The time-averaged flame heat release rate is …

This paper demonstrates the ability of the neural network trained on frequency-sweeping
signals with different amplitudes to reconstruct the flame nonlinear response. The neural …

Abstract The Large Eddy Simulation/System Identification (LES/SI) approach allows to
deduce a flame transfer function (FTF) from LES of turbulent reacting flow: Time series of …

The estimation of flame transfer functions (FTF) from time series data generated by large
eddy simulation (LES) via system identification (SI) is an important element of …

The present research develops the parametric estimation of a second-order transfer function
in its standard form, employing metaheuristic algorithms. For the estimation, the step …