Using a finite volume code, the Navier-Stokes equations are solved for a series of flows around spherically blunted cones. These solutions an used to perform linear-stability analyses to determine the growth of second-mode disturbances. Two cases are investigated: the Stetson experiment and a recent experiment conducted at the Institute of Theoretical and Applied Mechanics in Russia. Comparisons are made for both basic-state and disturbance-state quantities. For both cases, linear-growth regions are identified. For the Stetson case, using an experimentally determined wall-temperature distribution for the basic state appears to give better agreement with the experimentally measured growth than does the classical adiabatic-wall boundary condition. For the Institute of Theoretical and Applied Mechanics case, initial comparisons are made, and the goal is to continue a careful collaboration.


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    Titel :

    Numerical-experimental comparisons of second-mode behavior for blunted cones


    Weitere Titelangaben:

    Instabilität zweiter Art bei der Umströmung abgerundeter konischer Körper: Vergleich numerischer Simulationen mit Experimenten


    Beteiligte:

    Erschienen in:

    AIAA Journal ; 43 , 8 ; 1734-1743


    Erscheinungsdatum :

    2005


    Format / Umfang :

    10 Seiten, 18 Bilder, 6 Tabellen, 18 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Numerical-Experimental Comparisons of Second-Mode Behavior for Blunted Cones

    Ian Lyttle / Helen Reed / Alexander Shiplyuk et al. | AIAA | 2005


    Numerical-Experimental Comparisons of Second-Mode Behavior for Blunted Cones

    Lyttle, Ian / Reed, Helen / Shipyluk, Alexander et al. | AIAA | 2004



    Numerical-Experimental Comparisons of Second-Mode Behaviour for Blunted Cones

    Lyttle, I. J. / Reed, H. L. / Shipyluk, A. N. et al. | British Library Conference Proceedings | 2004