The partially stirred reactor model for combustion closure in large eddy simulations: Physical principles, sub-models for the cell reacting fraction, and open challenges

A Péquin, S Iavarone, R Malpica Galassi, A Parente - Physics of Fluids, 2022 - pubs.aip.org
For their ability to account for finite-rate chemistry, reactor-based models are well suited
Turbulence–Chemistry Interactions (TCI) Sub-Grid Scale (SGS) closures for Large Eddy …

The origin of CEMA and its relation to CSP

DA Goussis, HG Im, HN Najm, S Paolucci… - Combustion and …, 2021 - Elsevier
There currently exist two methods for analysing an explosive mode introduced by chemical
kinetics in a reacting process: the Computational Singular Perturbation (CSP) algorithm and …

PyCSP: A Python package for the analysis and simplification of chemically reacting systems based on Computational Singular Perturbation

RM Galassi - Computer Physics Communications, 2022 - Elsevier
PyCSP is a Python package for the analysis and simplification of chemically reacting
systems, using algorithms based on the Computational Singular Perturbation (CSP) theory …

The mechanism by which CH2O and H2O2 additives affect the autoignition of CH4/air mixtures

DM Manias, EA Tingas, CE Frouzakis… - Combustion and …, 2016 - Elsevier
When the fast dissipative time scales become exhausted, the evolution of reacting
processes is characterized by slower time scales. Here the case where these slower time …

Slow invariant manifolds of singularly perturbed systems via physics-informed machine learning

D Patsatzis, G Fabiani, L Russo, C Siettos - SIAM Journal on Scientific …, 2024 - SIAM
We present a physics-informed machine learning (PIML) approach for the approximation of
slow invariant manifolds of singularly perturbed systems, providing functionals in an explicit …

Investigation of the turbulent flame structure and topology at different Karlovitz numbers using the tangential stretching rate index

DM Manias, EA Tingas, FEH Pérez, RM Galassi… - Combustion and …, 2019 - Elsevier
Turbulent premixed flames at high Karlovitz numbers exhibit highly complex structures in
different reactive scalar fields to the extent that the definition of the flame front in an …

Chemical kinetic insights into the ignition dynamics of n-hexane

EA Tingas, Z Wang, SM Sarathy, HG Im… - Combustion and …, 2018 - Elsevier
Normal alkanes constitute a significant fraction of transportation fuels, and are the primary
drivers of ignition processes in gasoline and diesel fuels. Low temperature ignition of n …

Study of MILD combustion using LES and advanced analysis tools

Z Li, S Tomasch, ZX Chen, A Parente… - Proceedings of the …, 2021 - Elsevier
A cylindrical confined combustor operating under MILD condition is investigated using LES.
The combustion and its interaction with turbulence are modeled using two reactor based …

[HTML][HTML] Driving mechanisms of high-cetane number, synthetic fuel autoignition: The case of OME2− 4

MI Radaideh, DC Kyritsis, DA Goussis - Journal of Cleaner Production, 2023 - Elsevier
Oxymethylene dimethyl ethers (CH 3 O (CH 2 O) x CH 3 or OME x) are potential synthetic
substitutes of diesel and jet fuel that can be acquired through CO 2 recycling and have the …

Topological and chemical characteristics of turbulent flames at mild conditions

DM Manias, EA Tingas, Y Minamoto, HG Im - Combustion and Flame, 2019 - Elsevier
Dominant physical processes that characterize the combustion of a lean methane/air
mixture, diluted with exhaust gas recirculation (EGR), under turbulent MILD premixed …