Cluster Mechanism of the Explosive Processes Initiation in the Matter

Abstract:

The relationship between substance characteristic temperatures: autoignition, melting, flash, boiling is demonstrated and analyzed. Based on the oscillatory and step changes presence, a conclusion was made about the supramolecular structures presence and periodicity in the n-alkanes homologous series. A method for modeling equivalent lengths of peroxide supramolecular structures for predicting the explosion and fire hazard parameters of n-alkanes is proposed. An approximation dependence was developed for predicting autoignition temperatures t_ai of n-alkanes. It is shown that stoichiometric concentrations of the various supramolecular peroxide structures formation accord to different flammability and explosion limits. A correlation between t_ai and Anti-Knock Index (AKI) was established. An approximation dependence was developed for predicting n-alkanes AKI. The detonation propensity index К_D was introduced based on cluster supramolecular structures modeling and melting temperatures. It is shown that К_D indicator correlates with the n-alkanes AKI and with the explosives detonation velocity. The possibility of taking into account during calculations the supramolecular structures presence at the combustion stage confirms their existence.

• Periodical: Key Engineering Materials (Volume 952)
• Pages: 131-142
• DOI: https://doi.org/10.4028/p-lZz2Hq
• Online since: August 2023
• Authors: Dmytro Tregubov*, Yevhen Slepuzhnikov, Maryna Chyrkina-Kharlamovа, Artem Maiboroda
• Keywords: Autoignition, Characteristic Temperature, Cluster, Detonation, Explosion Hazard, N-Alkanes, Oscillation, Peroxide Structures

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