In support of the Boundary Layer Transition Flight Experiment (BLT FE) Project, a manufactured protuberance tile was installed on the port wing of Space Shuttle Orbiter Discovery for the flights of STS-119, STS-128 and STS-131. Additional instrumentation was installed in order to obtain more spatially resolved measurements downstream of the protuberance. This paper provides an overview of the BLT FE Project. Significant efforts were made to place the protuberance at an appropriate location on the Orbiter and to design the protuberance to withstand the expected environments. A high-level overview of the in-situ flight data is presented, along with a summary of the comparisons between pre- and post-flight analysis predictions and flight data. Comparisons show that predictions for boundary layer transition onset time closely match the flight data, while predicted temperatures were significantly higher than observed flight temperatures.


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    Title :

    Boundary Layer Transition Flight Experiment Overview and In-Situ Measurements



    Conference:

    Thermal and Fluids Analysis Workshop 2010 ; 2010 ; Houston, TX, United States


    Publication date :

    2010-08-16


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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