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 …

Effects of turbulence on variations in early development of hydrogen and iso-octane flame kernels under engine conditions

H Chu, L Berger, T Grenga, M Gauding, L Cai… - Combustion and …, 2023 - Elsevier
The understanding and prediction of the early development of flame kernels are of high
practical importance for the robust relight of aviation gas turbines and the control of cycle-to …

[HTML][HTML] LES-CMC of high-altitude relight in an RQL aeronautical combustor

LCC Mesquita, E Mastorakos, M Zedda - Proceedings of the Combustion …, 2023 - Elsevier
Abstract Large-Eddy Simulations with the Conditional Moment Closure sub-grid combustion
model and detailed chemistry for kerosene were performed for the ignition process in an …

Studies of multi-channel spark ignition of lean n-pentane/air mixtures in a spherical chamber

H Zhao, N Zhao, T Zhang, S Wu, G Ma, C Yan… - Combustion and …, 2020 - Elsevier
A novel ignition strategy using multi-channel sparks was developed in this paper. Compared
with the typical single spark, the three-channel spark ignition technique enables three …

Probabilistic modeling of forced ignition of alternative jet fuels

Y Tang, M Hassanaly, V Raman, BA Sforzo… - Proceedings of the …, 2021 - Elsevier
Fast and reliable high altitude re-ignition is a critical requirement for the development of
alternative jet fuels (AJFs). To achieve stable combustion, a spark kernel needs to transit in a …

Ensemble predictions of laser ignition with a hybrid stochastic physics-embedded deep-learning framework

WT Chung, C Laurent, D Passiatore, M Ihme - Proceedings of the …, 2024 - Elsevier
When investigating stochastic ignition phenomena, high-fidelity simulations and
experiments for statistical characterization can be a laborious endeavor. Machine learning …

Fuel Stratification Influence on NOx Emission in a Premixed Axial Reacting Jet-in-Crossflow at High Pressure

B Stiehl, T Genova, M Otero… - Journal of Energy …, 2021 - asmedigitalcollection.asme.org
Three reacting jet-in-crossflow (JiC) methane/air flames were numerically investigated in a
lean axially staged combustor at a pressure of five atmospheres. A detailed chemistry Star …

Infrasound radiation from impulsive volcanic eruptions: Nonlinear aeroacoustic 2D simulations

LM Watson, EM Dunham, D Mohaddes… - Journal of …, 2021 - Wiley Online Library
Infrasound observations are increasingly used to constrain properties of volcanic eruptions.
In order to better interpret infrasound observations, however, there is a need to better …

Numerical and Experimental Study of an Aircraft Igniter Plasma Jet Discharge

Y Tang, J Kim, B Sforzo, R Scarcelli… - Journal of Propulsion and …, 2023 - arc.aiaa.org
The spark discharge of an aircraft plasma jet igniter is studied using high-fidelity numerical
simulations and X-ray radiography measurements. The target problem here features the …

Data-driven analysis of relight variability of jet fuels induced by turbulence

M Hassanaly, Y Tang, S Barwey, V Raman - Combustion and Flame, 2021 - Elsevier
For safety purposes, reliable reignition of aircraft engines in the event of flame blow-out is a
critical requirement. Typically, an external ignition source in the form of a spark is used to …