Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

Comparative review of the chemical dynamics underlying five models of ammonia fuel oxidation

S Rabbani, DM Manias, DC Kyritsis, DA Goussis - Fuel, 2023 - Elsevier
Five frequently employed chemical kinetics mechanisms for ammonia oxidation are
analyzed and compared, in the context of homogeneous adiabatic autoignition. The analysis …

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 …

An adaptive time-integration scheme for stiff chemistry based on computational singular perturbation and artificial neural networks

RM Galassi, PP Ciottoli, M Valorani, HG Im - Journal of Computational …, 2022 - Elsevier
We leverage the computational singular perturbation (CSP) theory to develop an adaptive
time-integration scheme for stiff chemistry based on a local, projection-based, reduced order …

[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 …

Dominant dynamics of n-butanol/air autoignition and the influence of additives

S Rabbani, DM Manias, DC Kyritsis, DA Goussis - Combustion and Flame, 2022 - Elsevier
Abstract The algorithm of Computational Singular Perturbation is used in order to study
autoignition dynamics and formaldehyde emission during isochoric, adiabatic n-butanol …

MILD combustion of low calorific value gases

S Zhou, B Yan, M Mansour, Z Li, Z Cheng, J Tao… - Progress in Energy and …, 2024 - Elsevier
The utilization of low calorific value gases (LCVG) in combustion devices presents particular
challenges in terms of ignition and sustained combustion stability due to the presence of non …

The role of low/high-temperature chemistry in computationally reproducing flame stabilization modes of hydrogen-fueled supersonic combustion

K Wu, P Zhang, RM Galassi, X Fan - Combustion and Flame, 2024 - Elsevier
Numerical simulations of two typical flame stabilization modes in a cavity-assisted
supersonic combustor were performed using improved delay detached eddy simulation and …

Chemical dynamics of the autoignition of near-stoichiometric and rich methanol/air mixtures

S Rabbani, DM Manias, DC Kyritsis… - … Theory and Modelling, 2022 - Taylor & Francis
The homogeneous, isochoric and adiabatic autoignition of rich methanol mixtures is
analysed using algorithmic tools of Computational Singular Perturbation. It is shown that …