Testing techniques for transonic cryogenic tunnels using nitrogen as the test fluid are presented. The measurement of static aerodynamic coefficients used to determine component efficiency is discussed, focusing on tests of two-dimensional airfoils at transonic Mach numbers. Also, three-dimensional tests of complete configurations and sidewall mounted wings are examined. Consideration is given to time-dependent phenomena, fluid mechanics, nonintrusive laser techniques, the detection of transition and separation, and testing for flutter, buffet, and oscillating airfoil characteristics.


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    Titel :

    Aerodynamic testing in cryogenic nitrogen gas - A precursor to testing in superfluid helium


    Beteiligte:

    Erscheinungsdatum :

    01.10.1989


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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