Numerical Simulations of Gaseous Detonations


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Inflow Angle 60 Degree, H2:O2:Ar / 2:1:7, T0=298 K, p0=10.0 kPa

Image pics/mach2d/schl_4928.gif

Image pics/mach2d/T_4928.gif

Schlieren plots of the density and temperature field after 48 microseconds. The Mach reflection is clearly visible.


Image pics/mach2d/track_30.gif

The Mach reflection leads to a high overdrive factor behind the Mach stem that suppresses the regular transverse oscillation and the detonation cells fade away.



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last update: 06/01/04