URL: https://multiphasesystems.online/uim2017.2.036,en
DOI: https://doi.org/10.21662/uim2017.2.036
∗∗Ufa State Aviation Technical University, Ufa
Abstract
The problem of spherical explosion in the gas region with a protective foam layer is solved in a two-dimensional axisymmetric formulation using a two-phase model of a gas-liquid mixture that includes the laws of conservation of mass, momentum and energy of the mixture and the equation for the dynamics of the volume content of phases. The numerical implementation of the model was carried out by modifying the standard solver of the compressibleMultiphaseInterFoam of the open package OpenFOAM. The results of computer modeling are visualized using the ParaView graphical platform.
Bolotnova R.Kh., Gainullina E.F. Investigation of axisymmetric wave flows under interaction of a spherical impact pulse with a barrier of aqueous foam Proceedings of the Mavlyutov Institute of Mechanics. 2017. 12(2). 238–243.
spherical shock wave,
aqueous foam layer,
numerical modeling,
OpenFOAM package
Article outline
Problem: Numerical investigation of axisymmetric wave flows in the interaction of a spherical impact pulse with a barrier of aqueous foam
Methods: Numerical simulation was performed using the standard solver of the OpenFOAM package compressibleMultiphaseInterFoam, modified in accordance with the conditions of the problem.
As a result of analysis of wave flows dynamics in the interaction of a spherical shock pulse with a barrier of aqueous foam, it is shown that the ”redirection“ of a shock pulse along the boundary of a frothy barrier leads to blocking of the passing of shock wave into the foam and is accompanied by the formation of a toroidal vortex in the gas.