Impact of wall heat transfer in Large Eddy Simulation of flame dynamics in a swirled combustion chamber

PW Agostinelli, D Laera, I Boxx, L Gicquel… - Combustion and …, 2021 - Elsevier
Abstract Large Eddy Simulation (LES) is a fundamental research tool to study gas turbines
and aero-engine combustors. In LES, although rarely addressed systematically, it is known …

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 …

[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 …

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 …

Period-2 thermoacoustics in a swirl-stabilised partially premixed flame computed using large eddy simulation

AD Kumar, JC Massey, M Stöhr, W Meier… - Flow, Turbulence and …, 2023 - Springer
A partially premixed swirl-stabilised flame under thermoacoustically unstable conditions is
studied using large eddy simulation with an unstrained flamelet model for the filtered …

[HTML][HTML] Large eddy simulation of multi-regime combustion with a two-progress variable approach for carbon monoxide

JC Massey, Z Li, ZX Chen, Y Tanaka… - Proceedings of the …, 2023 - Elsevier
Simulations of two cases in a novel multi-regime burner configuration are undertaken using
a presumed joint probability density function (PDF) approach with tabulated chemistry. The …

Numerical investigation of azimuthal thermoacoustic instability in a gas turbine model combustor

ZX Chen, N Swaminathan, M Mazur, NA Worth… - Fuel, 2023 - Elsevier
Self-excited spinning mode azimuthal instability in an annular combustor with non-swirling
flow is investigated using large eddy simulation (LES). Compressible Navier–Stokes …

Large eddy simulations of a low-swirl gaseous partially premixed lifted flame in presence of wall heat losses

L Langone, M Amerighi, A Andreini - Energies, 2022 - mdpi.com
The use of lifted flames presents some very promising advantages in terms of pollutant
emissions and flame stability. The focus here is on a specific low-swirl injection system …

Non-adiabatic LES-FGM simulation of thermoacoustic instability in lean premixed CH4/air swirl flame

G Hu, W Zhang, Y Li, J He, J Wang, Z Huang - Energy, 2024 - Elsevier
Abstract Effects of heat loss on the thermoacoustic instability simulation were studied based
on flamelet-generated manifold (FGM) and large-eddy simulation (LES). The non-adiabatic …

[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 …