Two instrumentation systems are presently practical to use in turbulence measurements. The laser velocimeter can measure fluctuating velocities while the hot-wire anemometer, in principle, can be used to obtain both kinematic and thermodynamic fluctuations. In addition, the hot-wire anemometer gives an analog signal output that is convenient for use in time-space correlation studies and spectral analyses. The laser velocimeter has been used successfully in all flow regimes, whereas the hot wire has not been exploited in transonic flows, where the wire response has not been well-understood. The purpose of this Note is to examine the response and calibration of a constant-temperature, hot- wire anemometer in transonic flow and to present turbulence measurements, obtained in a transonic boundary layer.


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    Title :

    Turbulence Measurement in Transonic Flow


    Contributors:

    Conference:

    Aerodynamic Testing ; 1976 ; Arlington, TX, United States


    Published in:

    Publication date :

    1977-09-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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