A method for visualizing off-surface flows is provided which consists of releasing a gas with infrared absorbing and emitting characteristics into a fluid flow and imaging the flow with an infrared imaging system. This method allows for visualization of off-surface fluid flow in-flight. The novelty of this method is found in providing an apparatus for flow visualization which is contained within the aircraft so as not to disrupt the airflow around the aircraft, is effective at various speeds and altitudes, and is longer-lasting than previous methods of flow visualization.


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    Title :

    Off-Surface Infrared Flow Visualization


    Contributors:
    G. S. Manuel (author) / C. J. Obara (author) / K. Daryabeigi (author) / D. W. Alderfer (author)

    Publication date :

    1991


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Off-surface infrared flow visualization

    Manuel, Gregory S. / Obara, Clifford J. / Daryabeigi, Kamran et al. | NTRS | 1993


    In-Flight Off-Surface Flow Visualization Using Infrared Imaging

    Obara, Clifford J. / Alderfer, David W. / Manuel, Gregory S. et al. | SAE Technical Papers | 1991



    In-flight flow visualization using infrared imaging

    Brandon, J. M. / Manuel, G. S. / Wright, R. E., Jr. et al. | NTRS | 1988


    In-flight flow visualization using infrared imaging

    BRANDON, J. / MANUEL, G. / WRIGHT, JR., R. et al. | AIAA | 1988