IR imaging system measurements of longitudinal temperature variations created in wakes, jet flows, etc. by an electrically heated wire can furnish indications of air velocity distributions through Nusselt number correlations. These correlations can either account for, or minimize and neglect, wire conduction and radiation effects under steady state conditions. The IR imaging system whose experimental use is presently evaluated employs an InSb detector sensitive to 3.5-5.6-micron IR emissions.


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    Title :

    Mapping flowfields with a heated wire and an infrared imaging system


    Contributors:

    Published in:

    Publication date :

    1991-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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