Numerical study of shock wave dynamics in a gas suspension
We describe a process of pressure discontinuity breakdown in a gas suspension, dynamics of which is simulated by a system of equations of motion for a two-temperature two-speed monodisperse medium without phase transition and coagulation. The carrying medium is described by the Navier-Stokes equatio...
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| Veröffentlicht in: | Russian aeronautics 2013-04, Vol.56 (2), p.154-159 |
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| creator | Gubaidullin, D. A. Tukmakov, D. A. |
| description | We describe a process of pressure discontinuity breakdown in a gas suspension, dynamics of which is simulated by a system of equations of motion for a two-temperature two-speed monodisperse medium without phase transition and coagulation. The carrying medium is described by the Navier-Stokes equation system. A disperse phase is simulated by equations of mass, momentum and internal energy conservation. The system is reduced to a dimensionless form, it is written in the generalized coordinates and is solved by the explicit MacCormack method with a conservative correction scheme applied to each phase to obtain a monotonous solution. We describe an effect of decreasing the time intensity of a shock wave when its attitude is retained. The time of the pressure differential value relaxation at the direct shock wave front depends on the volumetric content and dispersion degree of the gas suspension. |
| doi_str_mv | 10.3103/S1068799813020074 |
| format | Article |
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| ispartof | Russian aeronautics, 2013-04, Vol.56 (2), p.154-159 |
| issn | 1068-7998 1934-7901 |
| language | eng |
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| subjects | Aero- and Gas-Dynamics of Flight Vehicles and Their Engines Automotive Engineering Conservation Dispersions Dynamical systems Dynamics Engineering Mathematical analysis Mathematical models Navier-Stokes equations Shock waves |
| title | Numerical study of shock wave dynamics in a gas suspension |
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