The present article investigates the interactions between the pilot and main flames in a novel
stratified swirl burner using both experimental and numerical methods. Experiments are …

The present article investigates the correlation between flame macrostructures and
thermoacoustic combustion instabilities in stratified swirling flames. Experiments are carried …

Multi-bifurcation behaviors of staged swirl flames fueled with methane at atmospheric
pressure are experimentally investigated by varying the global equivalence ratio (⁠ ϕ glo⁠) …

The present paper reports experimental and numerical analyses of the macrostructures
featured by a stratified swirling flame for varying stratification ratio (SR). The studies are …

Highlights•The stratified flames are established at different swirl intensities, air split ratios
and stratification ratios.•Three parameter's separate and combined effects on flame structure …

Abstract Large Eddy Simulations (LES) are used to study a lean swirl-stabilized gas turbine
burner where the flow exhibits two stable states. In the first one, the flame is attached to the …

The present work addresses unsteady flame dynamics in a lean-premixed swirl-stabilized
combustor, with attention focused on the transition of flame structure from a stable to an …

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

An investigation of the flame structure and emission performance of stratified swirl
methane/air flames was performed by using a double-annulus counter-rotating premixed …

Abstract Large Eddy Simulation (LES) is conducted for the combustion instabilities of the
stratified swirling flames. Two different pilot-stage equivalence ratios (Φ p), 0 (lifted flame) …