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  • Anaylsis of interior noise ground and flight test data for advanced turboprop aircraft applications [microform] / M.A. Simpson and B.N. Tran.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1991]
    • 1991

  • Noise of a model high speed counterrotation propeller at simulated takeoff/approach conditions (F7/A7) [microform] / Richard P. Woodward ; prepared for the 11th Aeroacoustics Conference sponsored by the American Institute of Aeronautics and Astronautics, Sunnyvale, California, October 19-21, 1987.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

  • Analysis and test evaluation of the dynamic response and stability of three advanced turboprop models [microform] / P.N. Bansal ... [et al.].

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • Analysis of in-flight acoustic data for a twin-engined turboprop airplane [microform] / J.F. Wilby, E.G. Wilby.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1988]
    • 1988

  • Window acoustic study for advanced turboprop aircraft [microform] / R.A. Prydz, F.J. Balena.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1984]
    • 1984

  • Lightweight sidewalls for aircraft interior noise control [microform] / D.N. May ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • Civil tiltrotor feasibility study for the New York and Washington terminal areas [microform] / Virginia Stouffer, Jesse Johnson, and Joana Gribko ; [prepared ... under contract NAS2-14361].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001

  • High speed turboprop aeroacoustic study (counterrotation). Volume 1, Model development [microform] / C.E. Whitfield, R. Mani, and P.R. Gliebe.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va.? : National Technical Information Service, distributor, 1990]
    • 1990
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS69903

  • An estimate of the enroute noise of an advanced turboprop airplane [microform] / James H. Dittmar.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, [1986]
    • 1986

  • An experimental investigation of reducing advanced turboprop cabin noise by wing shielding [microform] / James H. Dittmar.

    • Text
    • [Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1986]
    • 1986

  • Laboratory experiments on active suppression of advanced tuboprop noise [microform] / James H. Dittmar.

    • Text
    • [Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1985]
    • 1985

  • Advanced turboprop aircraft flyover noise [microform] : annoyance to counter-rotating-propeller configurations with a different number of blades on each rotor : preliminary results / David A. McCurdy.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1988]
    • 1988
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS89907

  • Structureborne noise control in advanced turboprop aircraft [microform] / Irvin J. Loeffler.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, [1987]
    • 1987
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS92483

  • Investigation of fuselage acoustic treatment for a twin-engine turboprop aircraft in flight and laboratory tests [microform] / John S. Mixson, Robert L. O'Neal, and Ferdinand W. Grosveld.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1984]
    • 1984

  • A possible explanation for the present difference between linear noise theory and experimental data for supersonic helical tip speed propellers [microform] / James H. Dittmar.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration, 1983]
    • 1983

  • Flight measurements of hinged-plate wing-spoiler hinge moments [microform] / Emmett B. Fry.

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center, [1983]
    • 1983
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS99705

  • Cruise noise of the SR-2 propeller model in a wind tunnel / James H. Dittmar.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration, [1989]
    • 1989
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS108240

  • Cruise noise of the SR-2 propeller model in a wind tunnel [microform] / James H. Dittmar.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration, [1989]
    • 1989
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS108240

  • In-flight acoustic measurements on a light twin-engined turboprop airplane [microform] / J.F. Wilby, C.D. McDaniel, and E.G. Wilby.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1985]
    • 1985

  • Takeoff/approach noise for a model counterrotation propeller with a forward-swept upstream rotor [microform] / Richard P. Woodward, ... [et al.].

    • Text
    • [Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1993]
    • 1993

  • Low-speed wind-tunnel tests of single- and counter-rotation propellers / Dana Morris Dunham, Garl L. Gentry, Jr., and Paul L. Coe, Jr.

    • Text
    • Washington, DC : National Aeronautics and Space Administration, Scientific and Technical Information Branch, April 1986.
    • 1986-4
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo158019

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