The structural, aerodynamic and acoustic design of a lined test section necessary to produce a sufficiently reflection-free environment for noise tests in the Aircraft Research Association (ARA) tunnel at Mach numbers up to 0.85 are described. The aerodynamic design was aided by computational fluid dynamics methods and the acoustic design by a ray-theory model. Results of the aerodynamic calibration of the liner and preliminary acoustic and performance tests on two model propellers are presented. Development work carried out to improve the liner acoustically and aerodynamically is described.


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    Titel :

    Design and Development of an Acoustic Test Section for the ARA (Aircraft Research Association) Transonic Wind Tunnel


    Beteiligte:
    M. E. Wood (Autor:in) / D. A. Newman (Autor:in)

    Erscheinungsdatum :

    1988


    Format / Umfang :

    63 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Suppression of background noise in a transonic wind-tunnel test section

    SCHUTZENHOFER, L. A. / HOWARD, P. W. | AIAA | 1975


    NACA transonic wind-tunnel test sections

    Wright, Ray H. / Ward, Vernon G. | TIBKAT | 1955


    NACA transonic wind-tunnel test sections

    Wright, R.H. / Ward, V.G. | Engineering Index Backfile | 1955


    Suppression of background noise in a transonic wind-tunnel test section

    Schutzenhofer, L. A. / Howard, P. W. | NTRS | 1975


    NACA transonic wind tunnel test sections

    Wright, Ray H. ;Ward, Vernon G. | SLUB | 1956