Summary
Using a pressure-ruptured shock tube and an arc driven shock tube, we have studied the evolution of turbulent fluctuations at contact surfaces with N2O4 →← 2NO2 mixtures and at ionizing shock fronts in argon. We have focused on point density diagnostics derived from crossed light beam correlations and electric probes. Turbulent bursts are found for which dynamical and spectral analyses suggest a particle-like evolution of fluctuation segments with a unique and characteristic frequency, independent of flow history and overall flow conditions.
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© 1981 Springer-Verlag, Berlin, Heidelberg
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Johnson, J.A., Ramaiah, R., Lin, I. (1981). Unsteady Turbulent Shear Flow in Shock Tube Discontinuities. In: Michel, R., Cousteix, J., Houdeville, R. (eds) Unsteady Turbulent Shear Flows. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81732-8_25
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DOI: https://doi.org/10.1007/978-3-642-81732-8_25
Publisher Name: Springer, Berlin, Heidelberg
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