Rotational temperature and velocity distributions have been measured across a hypersonic laminar flat-plate boundary layer, using planar laser-induced fluorescence. The measurements are compared to a finite-volume computation and a first-order boundary layer computation, assuming local similarity. Both computations produced similar temperature distributions and nearly identical velocity distributions. The disagreement between calculations is ascribed to the similarity solution not accounting for leading-edge displacement effects. The velocity measurements agreed to within the measurement uncertainty of 2% with both calculated distributions. The peak measured temperature was 200 K lower than the computed values. This discrepancy is tentatively ascribed to vibrational relaxation in the boundary layer.


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    Title :

    Plif temperature and velocity distributions in laminar hypersonic flat-plate flow


    Contributors:


    Publication date :

    2003-01-01


    Size :

    934774 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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