Dynamics of motion of a pair of particles in a supersonic flow

The problem of motion dynamics of two particles in a supersonic flow behind an incident shock wave was considered numerically and experimentally. The experiments were carried out in a shock tube. High-speed shadowgraphy with a laser stroboscope light source was used. The mathematical model was based...

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Bibliographic Details
Published in:Shock waves Vol. 31; no. 6; pp. 571 - 582
Main Authors: Utkin, P. S., Sidorenko, D. A., Boiko, V. M.
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2021
Springer Nature B.V
Subjects:
Acoustics
Algorithms
Cartesian coordinates
Computer simulation
Condensed Matter Physics
Engineering
Engineering Fluid Dynamics
Engineering Thermodynamics
Euler-Lagrange equation
Flow control
Flow distribution
Flow simulation
Fluid- and Aerodynamics
Grid method
Heat and Mass Transfer
Light sources
Mathematical models
Original Article
Particle motion
Shock waves
Supersonic flow
Thermodynamics
Two dimensional models
Supersonic flow
Laser visualization
Euler equations
Cartesian grid method
Particles
Shock-wave interaction
ISSN:0938-1287, 1432-2153
Online Access:Get full text
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Summary:The problem of motion dynamics of two particles in a supersonic flow behind an incident shock wave was considered numerically and experimentally. The experiments were carried out in a shock tube. High-speed shadowgraphy with a laser stroboscope light source was used. The mathematical model was based on the two-dimensional Euler equations. The original, highly scalable, parallel algorithm of the Cartesian grid method for simulation of flows with shock waves in areas with changing geometry was used in the numerical simulations. The main stages of the process were described from the point of view of the realized shock-wave configurations. The effect of changing two modes of supersonic flow around two particles was obtained. The experimental and simulated flow patterns and dynamics of particle motion correlate well.
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ISSN:0938-1287
1432-2153
DOI:10.1007/s00193-021-01042-6