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 …

Effect of hydrogen enrichment on the dynamics of a lean technically premixed elevated pressure flame

I Chterev, I Boxx - Combustion and Flame, 2021 - Elsevier
The heat release distribution, combustion instability characteristics and flow dynamics of
lean swirl-stabilized flames of hydrogen enriched natural gas were studied using time …

Multiscale graph neural network autoencoders for interpretable scientific machine learning

S Barwey, V Shankar, V Viswanathan… - Journal of Computational …, 2023 - Elsevier
The goal of this work is to address two limitations in autoencoder-based models: latent
space interpretability and compatibility with unstructured meshes. This is accomplished here …

Experimental and numerical investigation of two flame stabilization regimes observed in a dual swirl H2-air coaxial injector

A Aniello, D Laera, S Marragou, H Magnes, L Selle… - Combustion and …, 2023 - Elsevier
This study investigates H 2-air flames obtained with a laboratory scale coaxial dual-swirl
injector in which fuel and oxidizer are injected separately. Two flame archetypes are …

Flame stabilization mechanisms and shape transitions in a 3D printed, hydrogen enriched, methane/air low-swirl burner

Q An, S Kheirkhah, J Bergthorson, S Yun… - International Journal of …, 2021 - Elsevier
Flame shapes and their transitions of premixed hydrogen enriched methane flames in a 3D-
printed low-swirl burner are studied using simultaneous OH× CH 2 O planar laser induced …

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 …

Flame dynamics and combustion instability induced by flow-flame interactions in a centrally-staged combustor

C Tao, C Zhang, X Xue, X Fan, J Gao, X Feng… - Aerospace Science and …, 2023 - Elsevier
This study mainly investigates the flame and flow characteristics under combustion instability
in a centrally-staged swirl spray combustor, using 5 kHz CH* chemiluminescence (CL) and …

Blowoff of bluff body flames: Transient dynamics and three dimensional effects

RM Kumar, S Adhikari, B Emerson, CA Fugger… - Combustion and …, 2022 - Elsevier
This work examines the dynamics of confined bluff body flames in the process of lean
blowoff (LBO) using simultaneous stereo-PIV (particle image velocimetry), OH PLIF (planar …

[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 …

A generative adversarial network (GAN) approach to creating synthetic flame images from experimental data

A Carreon, S Barwey, V Raman - Energy and AI, 2023 - Elsevier
Modern diagnostic tools in turbulent combustion allow for highly-resolved measurements of
reacting flows; however, they tend to generate massive data-sets, rendering conventional …