Flight test results for MK-84 Joint Direct Attack Munition (JDAM) separation from an F/A-18C allow for direct comparison between the Arnold Engineering Development Center 4 ft X 4 ft and CALSPAN 8 ft X 8 ft transonic wind tunnel data. Both freestream and Captive Trajectory System flow-field grid surveys were compared. Wind tunnel data tended to agree relatively well between wind tunnels. Wind tunnel data were input into the Navy Generalized Separation Package store separation simulation software. Comparisons were made between the flight paths derived from both wind tunnels to actual flight test data. Trajectory data were then used to calculate minimum miss distances between the JDAM and F-18. While it was expected that data from the larger tunnel would result in simulations closer to flight testing, both data sets resulted in similar results. Most differences can be attributed to Mach number sensitivity.


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    Title :

    Comparison of AEDC 4T and CALSPAN 8-ft Wing Tunnels for FA-18C/JDAM


    Contributors:
    E. Ray (author)

    Publication date :

    2000


    Size :

    11 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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