Abstract
The instability of shocked and reshocked perturbed interface between gases of different densities is analyzed by comparing flow visualization from 2-D and 3-D shock tube experiments with 2-D numerical simulations and theory. The shadowgraphs and calculations show similar large scales of mixing by fluid interpenetration induced by the Richtmyer-Meshkhov instability. In 2-D, experimental instability growth following acceleration by the initial shock is less than calculated by linear theory or simulated. The 3-D experiments are approximately simulated by 2-D calculations with an increased initial amplitude of the interface. The kinetic energy of the interpenetrating velocity field from the simulations are also compared to a theoretical estimate derived from the linear theory.
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© 1992 Springer-Verlag Berlin Heidelberg
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Benjamin, R.F., Besnard, D., Haas, JF. (1992). Richtmyer-Meshkov instability of shocked gaseous interfaces. In: Takayama, K. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77648-9_47
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DOI: https://doi.org/10.1007/978-3-642-77648-9_47
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-77650-2
Online ISBN: 978-3-642-77648-9
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