A series of NASA/Boeing cooperative low speed wind tunnel tests was conducted in the National Transonic Facility (NTF) between 2003 and 2004 using a semi-span high lift model representative of the 777-200 aircraft. The objective of this work was to develop the capability to acquire high quality, low speed (flaps down) wind tunnel data at up to flight Reynolds numbers in a facility originally optimized for high speed full span models. In the course of testing, a number of facility and procedural improvements were identified and implemented. The impact of these improvements on key testing metrics data quality, productivity, and so forth - was significant, and is discussed here, together with the relevance of these metrics as applied to cryogenic wind tunnel testing in general. Details of the improvements at the NTF are discussed in AIAA-2006-0508 (Recent Improvements in Semi-span Testing at the National Transonic Facility). The development work at the NTF culminated with validation testing of a 787-8 semi-span model at full flight Reynolds number in the first quarter of 2006.


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    Titel :

    Progress in Flaps Down Flight Reynolds Number Testing Techniques at the NTF


    Beteiligte:
    Payne, Frank (Autor:in) / Bosetti, Cris (Autor:in) / Gatlin, Greg (Autor:in) / Tuttle, Dave (Autor:in) / Griffiths, Bob (Autor:in)

    Kongress:

    45th AIAA Aerospace Sciences Meeting and Exhibit ; 2007


    Erscheinungsdatum :

    2007-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Progress in Flaps Down Flight Reynolds Number Testing Techniques at the NTF AIAA Paper

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    The Low Reynolds Number Aerodynamics of Leading Edge Flaps

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    Flight Reynolds Number Testing: The European Project FLIRET

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