Advances and challenges of the conditional source-term estimation model for turbulent reacting flows

MM Salehi, C Devaud, WK Bushe - Progress in Energy and Combustion …, 2024 - Elsevier
Abstract Conditional Source-term Estimation (CSE) is a turbulence–chemistry interaction
model to simulate reacting flows. This model is similar to the Conditional Moment Closure …

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 …

[HTML][HTML] Investigation of turbulent premixed methane/air and hydrogen-enriched methane/air flames in a laboratory-scale gas turbine model combustor

X Liu, M Bertsch, AA Subash, S Yu, RZ Szasz… - International Journal of …, 2021 - Elsevier
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 …

A combined oscillation cycle involving self-excited thermo-acoustic and hydrodynamic instability mechanisms

D Fredrich, WP Jones, AJ Marquis - Physics of Fluids, 2021 - pubs.aip.org
The paper examines the combined effects of several interacting thermo-acoustic and
hydrodynamic instability mechanisms that are known to influence self-excited combustion …

Investigation of flame structure and precessing vortex core instability of a gas turbine model combustor with different swirler configurations

A Mardani, B Asadi, AA Beige - Physics of Fluids, 2022 - pubs.aip.org
Numerical simulation of a dual-swirl gas turbine model combustor is performed under cold
and reacting flow conditions using a three-dimensional unsteady Reynolds-averaged Navier …

An investigation on flame structure and NOx formation in a gas turbine model combustor using large eddy simulation

AA Beige, A Mardani - Physics of Fluids, 2023 - pubs.aip.org
In this work, large eddy simulations (LES) of a Gas Turbine Model Combustor (GTMC) are
done using a five-step global mechanism that includes separate thermal and non-thermal …

Large eddy simulations of turbulent combustion of kerosene-air in a dual swirl gas turbine model combustor at high pressures

D Huang, J Xu, R Chen, H Meng - Fuel, 2020 - Elsevier
In advanced gas turbine engines, high-pressure combustion generally occurs with
combustion chamber pressure exceeding the critical pressure of the engine fuel. In this …

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 …

Prediction of local extinctions in piloted jet flames with inhomogeneous inlets using unstrained flamelets

ZX Chen, I Langella, RS Barlow, N Swaminathan - Combustion and Flame, 2020 - Elsevier
Multi-regime turbulent combustion modelling remains challenging and is explored with
occurrence of local extinction in this study. A partially premixed model based on unstrained …