The unique capabilities of the National Full-Scale Aerodynamics Complex (NFAC) for testing rotorcraft systems are described. The test facilities include the 40- by 80-Foot Wind Tunnel, the 80- by 120-Foot Wind Tunnel, and the Outdoor Aerodynamic Research Facility. The Ames 7- by 10-Foot Subsonic Wind Tunnel is also used in support of the rotor research programs conducted in the NFAC. Detailed descriptions of each of the facilities, with an emphasis on helicopter rotor test capability, are presented. The special purpose rotor test equipment used in conducting helicopter research is reviewed. Test rigs to operate full-scale helicopter main rotors, helicopter tail rotors, and tilting prop-rotors are available, as well as full-scale and small-scale rotor systems for use in various research programs. The test procedures used in conducting rotor experiments are discussed together with representative data obtained from previous test programs. Specific examples are given for rotor performance, loads, acoustics, system interactions, dynamic and aeroelastic stability, and advanced technology and prototype demonstration models.


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    Titel :

    Rotorcraft Research Testing in the National Full-Scale Aerodynamics Complex at NASA Ames Research Center


    Beteiligte:
    W. Warmbrodt (Autor:in) / C. A. Smith (Autor:in) / W. Johnson (Autor:in)

    Erscheinungsdatum :

    1985


    Format / Umfang :

    90 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch