Combustion machine learning: Principles, progress and prospects

M Ihme, WT Chung, AA Mishra - Progress in Energy and Combustion …, 2022 - Elsevier
Progress in combustion science and engineering has led to the generation of large amounts
of data from large-scale simulations, high-resolution experiments, and sensors. This corpus …

Structure and dynamics of highly turbulent premixed combustion

AM Steinberg, PE Hamlington, X Zhao - Progress in Energy and …, 2021 - Elsevier
Turbulent premixed combustion involves simultaneous and mutually interacting fluid,
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …

Detonation initiation by compressible turbulence thermodynamic fluctuations

CAZ Towery, AY Poludnenko, PE Hamlington - Combustion and Flame, 2020 - Elsevier
Abstract Theory and computations have established that thermodynamic gradients created
by hot spots in reactive gas mixtures can lead to spontaneous detonation initiation …

WENO interpolation for Lagrangian particles in highly compressible flow regimes

Y Kozak, SS Dammati, LG Bravo, PE Hamlington… - Journal of …, 2020 - Elsevier
Lagrangian particles can be used either to analyze different complex flows, as massless
tracers, or to model multiphase flows, as particles with mass. As particles can have arbitrary …

[HTML][HTML] Lagrangian analysis of enstrophy dynamics in a highly turbulent premixed flame

R Darragh, CAZ Towery, MA Meehan… - Physics of …, 2021 - pubs.aip.org
A Lagrangian analysis approach is used to examine the effects of heat release on the
dynamics of the enstrophy during highly turbulent premixed combustion. The analysis is …

Optimising subgrid-scale closures for spectral energy transfer in turbulent flows

M Nabavi, J Kim - Journal of Fluid Mechanics, 2024 - cambridge.org
Subgrid-scale (SGS) modelling is formulated using a local transport of spectral kinetic
energy estimated by a wavelet multiresolution analysis. Using a spectrally and spatially local …

Scale-dependent statistics of inertial particle distribution in high Reynolds number turbulence

K Matsuda, K Schneider, K Yoshimatsu - Physical Review Fluids, 2021 - APS
Multiscale statistical analyses of inertial particle distributions are presented to investigate the
statistical signature of clustering and void regions in particle-laden incompressible isotropic …

Wavelet-spectral analysis of droplet-laden isotropic turbulence

A Freund, A Ferrante - Journal of Fluid Mechanics, 2019 - cambridge.org
Wavelet-spectral analysis of droplet-laden isotropic turbulence Page 1 J. Fluid Mech. (2019),
vol. 875, pp. 914–928. c Cambridge University Press 2019 doi:10.1017/jfm.2019.515 914 …

Time–frequency localisation of intermittent dynamics in a bistable turbulent swirl flame

Z Yin, M Stöhr - Journal of Fluid Mechanics, 2020 - cambridge.org
This work examines the complex flow field in a bistable turbulent swirl flame, where the
flame alternates irregularly between a lifted-off M-shape and an attached V-shape. The flow …

Interscale kinetic energy transfer in chemically reacting compressible isotropic turbulence

J Teng, J Wang, H Li, S Chen - Journal of Fluid Mechanics, 2021 - cambridge.org
Interscale kinetic energy transfer in chemically reacting compressible isotropic turbulence is
studied using numerical simulations at turbulent Mach numbers 0.2 and 0.8 for isothermal …