Self-excited combustion instabilities are characterized by large-amplitude limit cycle
oscillations of thermodynamic properties such as pressure, velocity and heat release. In …

The crux of the technical issues facing the development of hydrogen gas turbine engines is
the problem of how to enable low NOx, low dynamics combustor operations without …

The dynamics of V-shape swirled lean premixed methane/air flames enriched with hydrogen
is examined for two injection schemes. The response of the flames submitted to harmonic …

The present study combines Large Eddy Simulation (LES) with System Identification (SI) to
determine the Flame Transfer Functions (FTFs) of technically premixed flames that respond …

A finite volume and two Lattice–Boltzmann unsteady, flow solvers using LES (Large Eddy
Simulation) were compared in a swirling flow configuration, typical of aeronautical …

Ammonia is a promising hydrogen and energy carrier but also a challenging fuel to use in
gas turbines, due to its low flame speed, limited flammability range, and the production of …

The furnace combustion state of coal-fired power plants is difficult to accurately monitor
during low-load and dynamic operation conditions, thus hindering the secure and economic …

This paper investigates a predictive model that considers the impact of stretch on the
dynamic response of laminar premixed conical and V-flames; the flame stretch consists of …

In this study, flame responses to acoustic disturbances with different frequencies and
amplitudes were experimentally investigated in a lean premixed swirl-stabilized combustor …

The response of a lean premixed flame subjected to acoustic perturbations is a complex
phenomenon that depends highly on the type of flame and the operating conditions. Swirl …