[HTML][HTML] Effect of H2 addition on the local extinction, flame structure, and flow field hydrodynamics in non-premixed bluff body stabilized flames

K Rajamanickam, F Lefebvre, C Gobin, G Godard… - Physics of …, 2023 - pubs.aip.org
We examined the effect of hydrogen (H2) enrichment on the primary fuel methane (CH4) in a
canonical non-premixed bluff-body stabilized burner operating under typical central jet …

Numerical investigation of turbulent flame-vortex interaction in premixed cavity stabilized flames

CJ Rising, GB Goodwin, RF Johnson… - Aerospace Science and …, 2022 - Elsevier
The combustion dynamics of a mixture of ethylene and air in a cavity flameholder are
examined using high-resolution numerical simulations. The simulations are performed using …

[HTML][HTML] Application of a two-progress variable model for carbon monoxide emissions from turbulent premixed and partially premixed enclosed flames

JC Massey, Y Tanaka, N Swaminathan - Combustion and Flame, 2023 - Elsevier
A large eddy simulation study is undertaken with the objective of improving carbon
monoxide (CO) estimations compared to measurements of enclosed turbulent flames in …

Evolution characteristics of 3D vortex structures in stratified swirling flames studied by dual-plane stereoscopic PIV

S Wang, J Zheng, L Li, Z Yang, X Xia, C Fu, Y Gao… - Combustion and …, 2022 - Elsevier
Stratified swirling flames are typically formed in centrally-staged combustors of modern aero
engines. The pilot flame plays an indispensable role in stabilizing the stratified swirling …

On the blow‐off correlation for swirl‐stabilised flames with a precessing vortex core

JC Massey, ZX Chen, M Stöhr, W Meier… - Combustion and …, 2022 - Elsevier
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 …

Freestream and shear layer effects in bluff-body-stabilized turbulent premixed flames

CA Fugger, RA Forlines, BT Paxton, AW Caswell… - Combustion and …, 2024 - Elsevier
The effects of low and high approach flow turbulence levels on a large-scale, confined,
premixed bluff-body-stabilized flame are experimentally characterized. The flame and flow …

Modelling heat loss effects in the large eddy simulation of a lean swirl-stabilised flame

JC Massey, ZX Chen, N Swaminathan - Flow, Turbulence and …, 2021 - Springer
The flame in a gas turbine model combustor close to blow-off is studied using large eddy
simulation with the objective of investigating the sensitivity of including different heat loss …

[HTML][HTML] Large-eddy simulation of bluff-body stabilized premixed flames with low-dissipative, structure-preserving convection schemes

X Deng, JC Massey, N Swaminathan - AIP Advances, 2023 - pubs.aip.org
Large eddy simulation (LES) has the potential to predict turbulent combustion phenomena in
modern practical combustors. As errors from sub-grid models may be comparable to the …

Pressure gradient tailoring effects on vorticity dynamics in the near-wake of bluff-body premixed flames

SHR Whitman, TJ Souders, MA Meehan… - Proceedings of the …, 2023 - Elsevier
We investigate the role of mean streamwise pressure gradients in the development of a bluff-
body-stabilized premixed flame in the near-wake of the bluff body. To this end, a triangular …

Quantitative Comparison of Large Eddy Simulations and Optical Diagnostics of Bluff-Body Premixed Flames with High and Low Approach Flow Turbulence

JN Squeo, J Sykes, AL Comer, BA Rankin… - AIAA SciTech 2024 …, 2024 - arc.aiaa.org
The accuracy of large eddy simulations of bluff-body premixed flames is assessed through
detailed comparison to experimental measurements acquired using a variety of modern …