Articles | Volume 3, issue 1
https://doi.org/10.5194/ar-3-185-2025
https://doi.org/10.5194/ar-3-185-2025
Research article
 | 
15 Apr 2025
Research article |  | 15 Apr 2025

Investigation of soot precursor molecules during inception by acetylene pyrolysis using reactive molecular dynamics

Anindya Ganguly, Khaled Mosharraf Mukut, Somesh Roy, Georgios Kelesidis, and Eirini Goudeli

Data sets

Investigation of soot precursor molecules during inception by acetylene pyrolysis using reactive molecular dynamics Anindya Ganguly https://doi.org/10.5281/zenodo.15162017

Model code and software

Fast Parallel Algorithms for Short-Range Molecular Dynamics (https://www.lammps.org/download.html) Steve Plimpton https://doi.org/10.1006/jcph.1995.1039

Automated Discovery of Reaction Pathways, Rate Constants, and Transition States Using Reactive Molecular Dynamics Simulations (https://github.com/yiming-xu/LAMMPS_Simulation/tree/master/ChemTraYzer_2.0/py3) Malte Döntgen et al. https://doi.org/10.1021/acs.jctc.5b00201

Molecular arrangement and fringe identification and analysis from molecular dynamics (MAFIA-MD): A tool for analyzing the molecular structures formed during reactive molecular dynamics simulation of hydrocarbons (https://github.com/comp-comb/MAFIA-MD) Khaled Mosharraf Mukut et al. https://doi.org/10.1016/j.cpc.2022.108325

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Short summary
The study explores the formation of small soot clusters by precursor molecules at high temperature. Higher temperature speeds up the decomposition of gas molecules, accelerating the formation of cyclic structures decorated by aliphatic chains. This research offers new insights into the early steps of soot formation, which could help develop more informed kinetic models for pyrolysis and combustion processes.
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