The Lockheed Martin Low-Speed Wind Tunnel (LSWT) is a closed-return wind tunnel with two solid-wall test sections. This facility originally entered into service in 1967 for aerodynamic research of aircraft in low-speed and vertical/short take-off and landing (V/STOL) flight. Since this time, the client base has evolved to include a significant level of automotive aerodynamic testing, and the needs of the automotive clientele have progressed to include acoustic testing capability. The LSWT was therefore acoustically upgraded in 2016 to reduce background noise levels and to minimize acoustic reflections within the low-speed test section (LSTS). The acoustic upgrade involved detailed analysis, design, specification, and installation of acoustically treated wall surfaces and turning vanes in the circuit as well as low self-noise acoustic wall and ceiling treatment in the solid-wall LSTS. The preservation of the aerodynamic flow quality and the reduction in background noise levels in the LSTS were demonstrated by a series of measurements that were performed both prior to and after the acoustic upgrade.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Lockheed Martin Low-Speed Wind Tunnel Acoustic Upgrade


    Additional title:

    Sae International Journal of Passenger Cars. Mechanical Systems
    Sae Int. J. Passeng. Cars - Mech. Syst


    Contributors:
    Zunich, James (author) / Best, Scott (author)

    Conference:

    WCX World Congress Experience ; 2018



    Publication date :

    2018-04-03


    Size :

    14 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Lockheed Martin Low Speed Wind Tunnel Acoustic Upgrade

    Best, Scott / Zunich, James | British Library Conference Proceedings | 2018


    Lockheed Martin plots C5 upgrade

    Online Contents | 1996


    Recent aerodynamic improvements at the Lockheed Martin Low Speed Wind Tunnel

    Duell,E.G. / Lockheed Martin Aeronautica Systems,US | Automotive engineering | 1996



    Validation of the Lockheed Martin Morphing Concept with Wind Tunnel Testing

    Ivanco, Thomas / Scott, Robert / Love, Michael et al. | AIAA | 2007