[HTML][HTML] Dynamics of stratified swirl flame near lean blow out

M Han, Q Xu, X Han, Y Lin - Propulsion and Power Research, 2021 - Elsevier
This paper studies the flame dynamics near lean blowout (LBO) conditions in a stratified
swirl burner. The novel BASIS burner is used and fueled with premixed methane/air mixture …

Effect of fuel reactivity on flame properties of a low-swirl burner

MS Akhtar, M Shahsavari, A Ghosh, B Wang… - … Thermal and Fluid …, 2023 - Elsevier
The present paper examines the capability of low swirl flows in stabilizing low calorific value
fuels. To such an aim, CO 2 gas is used to adjust the reactivity of CH 4/air mixtures. The …

The effect of stratification ratio on the macrostructure of stratified swirl flames: Experimental and numerical study

X Han, D Laera, AS Morgans… - … of Engineering for …, 2018 - asmedigitalcollection.asme.org
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 …

Flame interactions in a stratified swirl burner: Flame stabilization, combustion instabilities and beating oscillations

X Han, D Laera, D Yang, C Zhang, J Wang, X Hui… - Combustion and …, 2020 - Elsevier
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 …

Characterizing lean blowout dynamics of DME/air premixed swirl flames in a gas turbine model combustor with and without confinement

Z Liu, X Shi, Y Zhang, X Yang, S Han, J Fang… - Aerospace Science and …, 2024 - Elsevier
This work investigates lean blowout (LBO) dynamics of dimethyl ether (DME)/air premixed
swirl flames in a gas turbine model combustor with and without confinement. CH …

[HTML][HTML] Flame investigations of a laboratory-scale CECOST swirl burner at atmospheric pressure conditions

AA Subash, S Yu, X Liu, M Bertsch, RZ Szasz, Z Li… - Fuel, 2020 - Elsevier
Experimental and numerical studies were performed to understand the stabilization of lean
premixed natural gas/air flames in a gas turbine model combustor which was equipped with …

Effect of confinement ratio on flame structure and blow-off characteristics of swirl flames

L Ji, J Wang, W Zhang, R Mao, G Hu… - Experimental Thermal and …, 2022 - Elsevier
Blow-off of swirl flames as well as its mechanism are fundamental issues and attract
continuous attention due to its wide application in modern combustors. This study …

Prediction of blowoff in a fully controllable low-swirl burner burning alternative fuels: Effects of burner geometry, swirl, and fuel composition

GE Ballachey, MR Johnson - Proceedings of the Combustion Institute, 2013 - Elsevier
Although the lean-premixed low-swirl burner (LSB) has been successfully demonstrated in a
variety of applications, the mechanisms of flame stabilization are not fully understood and …

Characteristics of oxy-methane flame in an axial/tangential swirl jet burner

K Wang, D Xie, Q Cao, J Hu, Y Tang, B Shi… - … Thermal and Fluid …, 2022 - Elsevier
This work designs an axial/tangential swirl jet burner to establish stable CH 4/O 2/CO 2
combustion under a wide range of operating conditions. As the flow rate of the axial fuel …

The effects of premixed pilot-stage on combustion instabilities in stratified swirling flames: A large eddy simulation study

G Lv, X Liu, Z Zhang, S Li, E Liu, H Zheng - Energy, 2023 - Elsevier
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) …