Large-eddy simulations of self-excited thermoacoustic instability in a premixed swirling combustor with an outlet nozzle
Y Sun, D Zhao, C Ji, T Zhu, Z Rao, B Wang - Physics of Fluids, 2022 - pubs.aip.org
Reducing the footprint of greenhouse gases and nitrogen oxides (NOx) emissions from
combustion systems means that they have been operating under lean or ultra-lean fuel–air …
combustion systems means that they have been operating under lean or ultra-lean fuel–air …
[HTML][HTML] Investigation of turbulent premixed methane/air and hydrogen-enriched methane/air flames in a laboratory-scale gas turbine model combustor
Methane and hydrogen-enriched (25 vol% and 50 vol% H 2-enriched CH 4) methane/air
premixed flames were investigated in a gas turbine model combustor under atmospheric …
premixed flames were investigated in a gas turbine model combustor under atmospheric …
Flame interactions in a stratified swirl burner: Flame stabilization, combustion instabilities and beating oscillations
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 …
stratified swirl burner using both experimental and numerical methods. Experiments are …
Large Eddy Simulation of a dual swirl gas turbine combustor: Flame/flow structures and stabilisation under thermoacoustically stable and unstable conditions
A laboratory gas turbine model combustor with dual-swirler configuration is investigated
using Large Eddy Simulation (LES) with a flamelet subgrid combustion model. Two partially …
using Large Eddy Simulation (LES) with a flamelet subgrid combustion model. Two partially …
Experimental study of stratified swirl flame dynamics in a model gas turbine combustor
Z Zhang, X Liu, Y Gong, Y Yang, Z Tang, G Liu, F Deng… - Energy, 2020 - Elsevier
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 …
and stratification ratios.•Three parameter's separate and combined effects on flame structure …
The effects of swirler vane configurations on the vortex-mixing interaction and combustion stability in a low-emission combustor
S Li, X Liu, Z Zhang, G Lv, E Liu, J Lu, H Zheng - Fuel, 2024 - Elsevier
Abstract Particle Image Velocimetry (PIV) measurements and Large Eddy Simulation (LES)
simulations are conducted for non-reacting and reacting flows to investigate the effects of …
simulations are conducted for non-reacting and reacting flows to investigate the effects of …
[HTML][HTML] Application of a two-progress variable model for carbon monoxide emissions from turbulent premixed and partially premixed enclosed flames
A large eddy simulation study is undertaken with the objective of improving carbon
monoxide (CO) estimations compared to measurements of enclosed turbulent flames in …
monoxide (CO) estimations compared to measurements of enclosed turbulent flames in …
Near-field mixing in a coaxial dual swirled injector
Improving mixing between two coaxial swirled jets is a subject of interest for the
development of next generations of fuel injectors. This is particularly crucial for hydrogen …
development of next generations of fuel injectors. This is particularly crucial for hydrogen …
Thermo-acoustic Instabilities in the PRECCINSTA Combustor Investigated Using a Compressible LES-pdf Approach
D Fredrich, WP Jones, AJ Marquis - Flow, Turbulence and Combustion, 2021 - Springer
This work predicts the evolution of self-excited thermo-acoustic instabilities in a gas turbine
model combustor using large eddy simulation. The applied flow solver is fully compressible …
model combustor using large eddy simulation. The applied flow solver is fully compressible …
On the blow‐off correlation for swirl‐stabilised flames with a precessing vortex core
Large eddy simulations of turbulent swirl-stabilised flames gradually approaching blow-off
conditions in a gas turbine model combustor are undertaken. The global equivalence ratio of …
conditions in a gas turbine model combustor are undertaken. The global equivalence ratio of …