Summary
Investigations on the spatial evolution of instabilities for hypersonic boundary-layer flows on a flat plate with dissociation are presented. A higher order compact numerical scheme allows for the detailed investigation of the linear and the non-linear evolution of the disturbance waves in the presence of chemical reactions. Compared to the ideal-gas case, lower temperatures in the boundary-layer are present. The three-dimensional disturbance behaviour is experiencing slight damping in the linear regime compared to equilibrium results. High-level disturbances can also lead to local shocklets that are treated with a hybrid ENO-scheme. Experiments for qualitative validation of the results at elevated Mach numbers are available by Mironov.
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Stemmer, C., Adams, N.A. (2006). Instabilities in Hypersonic Boundary Layers Under the Influence of High-temperature Gas Effects. In: Nagel, W.E., Resch, M., Jäger, W. (eds) High Performance Computing in Science and Engineering’ 05. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-29064-8_9
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DOI: https://doi.org/10.1007/3-540-29064-8_9
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