The wall-temperature effects on the behavior of a shock-induced separation at Mach number 2.3 are experimentally investigated. Schlieren visualizations, velocity measurements with particle image velocimetry, and time-resolved hot-wire measurements are used to describe how the wall temperature influences the length and timescales of the interaction. It is shown that heating has a large influence on the size and on the low-frequency unsteadiness of the interaction, but influences only slightly the onset of the separation. Models, initially proposed to describe adiabatic shock-wave/boundary-layer interaction, are shown to be effective to obtain similarities for the length and timescales between the heated and adiabatic interactions considered at the same external conditions, as long as the heating effects on the friction coefficient are taken into account. Comparisons with cooled interactions at similar external conditions are also given.


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    Titel :

    Length Scales and Time Scales of a Heated Shock-Wave/Boundary-Layer Interaction


    Beteiligte:
    Jaunet, V. (Autor:in) / Debiève, J. F. (Autor:in) / Dupont, P. (Autor:in)

    Erschienen in:

    AIAA Journal ; 52 , 11 ; 2524-2532


    Erscheinungsdatum :

    01.11.2014




    Medientyp :

    Aufsatz (Konferenz) , Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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