Conclusions
We have investigated different reflection configurations associated with the quasisteady reflection of shock waves from a plane corner in a shock tube.
We have shown that a necessary condition for the inception of the transition configuration of Mach reflection and double Mach reflection is the existence of supersonic (relative to the triple point) flow behind the reflected shock wave.
For strong shock waves the transition from Mach to regular reflection proceeds through the double Mach configuration. We have analyzed the transition process and proposed a strong-shock transition model.
Graphs are presented, describing the inception of the various reflection configurations for shock waves in air and in nitrogen as a function of the impingent-wave Mach number and corner angle.
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Additional information
Institute of High Temperatures, Academy of Sciences of the USSR, Moscow. Translated from Fizika Goreniya i Vzryva, Vol. 13, No. 1, pp. 102–110, January–February, 1977.
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Gvozdeva, L.G., Fokeev, V.P. Transition from Mach to regular reflection and domains of various mach reflection configurations. Combust Explos Shock Waves 13, 86–93 (1977). https://doi.org/10.1007/BF00756024
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DOI: https://doi.org/10.1007/BF00756024