Direct numerical simulations of statistically stationary turbulent premixed flames

HG Im, PG Arias, S Chaudhuri… - … Science and Technology, 2016 - Taylor & Francis
Direct numerical simulations (DNS) of turbulent combustion have evolved tremendously in
the past decades, thanks to the rapid advances in high performance computing technology …

Species reaction rate modelling based on physics-guided machine learning

R Nakazawa, Y Minamoto, N Inoue, M Tanahashi - Combustion and Flame, 2022 - Elsevier
Deep neural network (DNN) is applied to mean reaction rate modelling. Two DNN
structures, species-dependent (SD) and species-independent (SI), are considered. 1 Due to …

Direct numerical simulation of a turbulent lean premixed CH4/H2–Air slot flame

D Cecere, E Giacomazzi, NM Arcidiacono… - Combustion and …, 2016 - Elsevier
Nowadays, in the context of CO 2 reduction and gas turbine fuel flexibility, the interest in
acquiring know-how on lean Hydrogen Enriched Natural Gas (HENG) is growing. This …

A direct numerical simulation study on the structures and turbulence–flame interactions of a laboratory-scale lean premixed jet flame in cross-flow

M Cheng, H Wang, K Luo, J Fan - Journal of Fluid Mechanics, 2023 - cambridge.org
In the present work, direct numerical simulation of a laboratory-scale lean premixed reacting
jet in cross-flow was performed to explore the flow–flame structures and turbulence–flame …

[HTML][HTML] Data driven analysis and prediction of MILD combustion mode

K Jigjid, C Tamaoki, Y Minamoto, R Nakazawa… - Combustion and …, 2021 - Elsevier
Direct numerical simulation (DNS) data of moderate or intense low-oxygen dilution (MILD)
combustion and a planar flame are analysed to identify quantities influencing the unique …

DNS of swirling hydrogen–air premixed flames

Y Minamoto, K Aoki, M Tanahashi… - international journal of …, 2015 - Elsevier
Direct numerical simulation is employed to investigate the turbulent flow characteristics and
their effect on local flames for mean reaction rate modelling in turbulent swirling premixed …

Evaluation of a neural network-based closure for the unresolved stresses in turbulent premixed V-flames

ZM Nikolaou, C Chrysostomou, Y Minamoto… - Flow, Turbulence and …, 2021 - Springer
Data-driven modelling in fluid mechanics is a promising alternative given the continuous
increase of computational power and data-storage capabilities. Highly non-linear flows …

Influence of flame geometry on turbulent premixed flame propagation: a DNS investigation

TD Dunstan, N Swaminathan… - Journal of Fluid Mechanics, 2012 - cambridge.org
The sensitivity of the turbulent flame speed to the geometry of the flame is investigated using
direct numerical simulations of turbulent premixed flames in three canonical configurations …

Simulation of spherically expanding turbulent premixed flames

I Ahmed, N Swaminathan - Combustion science and technology, 2013 - Taylor & Francis
Statistically spherical expanding turbulent premixed flames are computed using an unsteady
Reynolds-averaged Navier–Stokes (URANS) approach. Mean reaction rate is closed using …

Modelling flame turbulence interaction in RANS simulation of premixed turbulent combustion

U Ahmed, R Prosser - Combustion Theory and Modelling, 2016 - Taylor & Francis
Flame turbulence interaction is an important term for modelling scalar dissipation in
premixed turbulent combustion. In order to obtain an accurate representation of the flame …