Modeling the dynamics of several particles behind a propagating shock wave

Бедарев, И. А.; Федоров, А. В.

doi:10.1134/s1063785016120142

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Mathematical Model and Numerical Implementation1

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2019

2021

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Cited by 2 publications

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“…The Euler equations were used as a mathematical model for describing the gas flow in a vicinity of particles. In [15][16][17], this technology was used to direct modelling of the particles velocity and thermal relaxation behind shock waves. For the describing of the chemical transformations the reduced kinetic was used.…”

Section: Mathematical Model and Numerical Implementationmentioning

confidence: 99%

Micro-level modeling of the detonation wave attenuation by inert particles

Бедарев

2019

THERM SCI

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A computational technology for direct modeling of the detonation waves interaction with a set of particles at the micro level has been developed. A simulation of the detonation waves passage through a system of particles with their different relative positions was carried out. Stoichiometric hydrogen air mixture is considered. The combustion process is described using a reduced kinetic mechanism. Estimates of the ratios between times of the velocity and thermal relaxation are obtained. Detailed shock-wave patterns of gas flow in the particles vicinity are obtained. The possibility of detonation failure at particles volume fractions of close to the concentrations obtained in modeling at the macro level has been revealed.

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Section: Mathematical Model and Numerical Implementationmentioning

confidence: 99%