Abstract
When a planar shock wave moving into stationary fluid encounters a straight wedge inclined at some angle, the resulting reflection configuration will be either a regular reflection (RR) or a Mach reflection (MR)(Ben-dor, Shock Wave Reflection Phenomena. Springer, Berlin, 2007). Hornung et al. (J. Fluid Mech. 90:541–560, 1979) note that in order for an MR to form, information regarding the length scale of the system needs to be transmitted to the reflection point. For pseudosteady reflections, this can only happen if the flow behind the reflected shock is subsonic relative to the reflection point. The reflection configuration resulting from a planar shock encountering an inclined wedge can be therefore be predicted from the Mach number and angle between the incident shock and the reflecting surface.
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References
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Gray, B.J., Skews, B.W. (2017). The Mach Reflection of a Converging Cylindrical Shock Wave Segment Encountering a Straight Wedge. In: Ben-Dor, G., Sadot, O., Igra, O. (eds) 30th International Symposium on Shock Waves 1. Springer, Cham. https://doi.org/10.1007/978-3-319-46213-4_95
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DOI: https://doi.org/10.1007/978-3-319-46213-4_95
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