Abstract
We present numerical simulations of a reacting shock–bubble interaction with detailed chemistry. The interaction between the Richtmyer-Meshkov instability and shock-induced ignition of a \( {\mathrm{H}}_2-{\mathrm{O}}_2 \) gas mixture is investigated. Shock wave Mach numbers in the range of \( Ma=2.13-2.50 \) at a constant initial pressure of \( {p}_0=0.50 \) atm trigger different reaction wave types. Deflagration is induced by a shock wave Mach number of \( Ma=2.13 \) and detonation by \( Ma=2.50 \). The spatial expansion of the bubble, the Richtmyer-Meshkov instability, and the subsequent Kelvin Helmholtz instabilities develop with a high reaction wave sensitivity. Mixing is significantly decreased by both reaction waves types, with detonation waves resulting in the strongest damping.
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Acknowledgments
The authors gratefully acknowledge the Gauss Centre for Supercomputing e.V. (www.gauss-centre.eu) for funding this project by providing computing time on the GCS Supercomputer SuperMUC at Leibniz Supercomputing Centre (LRZ, www.lrz.de).
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Diegelmann, F., Tritschler, V., Hickel, S. (2017). Mach Number Influence on Ignition and Mixing Processes in a Reacting Shock–Bubble Interaction. In: Ben-Dor, G., Sadot, O., Igra, O. (eds) 30th International Symposium on Shock Waves 2. Springer, Cham. https://doi.org/10.1007/978-3-319-44866-4_57
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DOI: https://doi.org/10.1007/978-3-319-44866-4_57
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