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  • Coupled 2-dimensional cascade theory for noise and unsteady aerodynamics of blade row interaction in turbofans. Volume 1, Theory development and parametric studies [microform] / Donald B. Hanson.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration, Scientific and Technical Information Program Division ; [Springfield, Va. : National Technical Information Service, distributor], 1994.
    • 1994

  • Flow structure generated by perpendicular blade vortex interaction and implications for helicopter noise predictions [microform] / principle investigators: William J. Devenport, Stewart A.L. Glegg.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Noise radiation by instability waves in coaxial jets [microform] / Milo D. Dahl and Philip J. Morris.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Investigation of Allan variance for determining noise spectral forms with application to microwave radiometry [microform] / William D. Stanley.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • On the Lighthill relationship and sound generation from isotropic turbulence [microform] / Ye Zhou, Alexander Prashnowsky, Steven Oncley.

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Fourth Aircraft Interior Noise Workshop [microform] : compilation of material presented at a workshop ... held in Friedrichshafen, Germany, May 19-20, 1992 / compiled by David G. Stephens.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1992
    • 1992

  • Response of multi-panel assembly to noise from a jet in forward motion [microform] / A. Bayliss ... [et al.].

    • Text
    • Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Flow structure generated by perpendicular blade vortex interaction and implications for helicopter noise predictions [microform] : semi-annual report to NASA Langley for worked performed under the grant / principal investigators: William J. Devenport, Stewart A.L. Glegg.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • A numerical study of fundamental shock noise mechanisms [microform] / by Kristine R. Meadows.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor], c1995.
    • 1995

  • An extension of the Lighthill theory of jet noise to encompass refraction and shielding [microform] / H.S. Ribner.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • A review of propeller noise prediction methodology 1919-1994 [microform] / F. Bruce Metzger.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • A zonal approach for prediction of jet noise [microform] / S.H. Shih and D.R. Hixon, Reda R. Mankbadi.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center, Institute for Computational Mechanics in Propulsion ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • The Kirchhoff formulas for moving surfaces in aeroacoustics [microform] : the subsonic and supersonic cases / F. Farassat.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Computation of sound generated by viscous flow over a circular cylinder [microform] / Jared S. Cox ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Improved NASA-ANOPP noise prediction computer code for advanced subsonic propulsion systems [microform].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service [distributor, 1996-
    • 1996-present

  • TBIEM3D [microform] : a computer program for predicting ducted fan engine noise / M.H. Dunn.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, Va. : National Technical Information Service [distributor, 1997]
    • 1997

  • The spectral and statistical properties of turbulence generated by a vortex/blade-tip interaction [microform] : final technical report ... / William J. Devenport, principal investigator; Kenneth S. Wittmer; Christian W. Wenger.

    • Text
    • Blacksburg, VA : Dept. of Aerospace and Ocean Engineering, Virginia Polytechnic Institute and State University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • New computational methods for the prediction and analysis of helicopter noise [microform] / Roger C. Strawn, Leonid Oliker, Rupak Biswas.

    • Text
    • [Moffett Field, Calif.] : Research Institute for Advanced Computer Science, NASA Ames Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Supersonic coaxial jets [microform] : noise predictions and measurements / Milo D. Dahl, Dimitri Papamoschou, Ray Hixon.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
    • 1998

  • Performance of optimized actuator and sensor arrays in an active noise control system [microform] / D.L. Palumbo ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • The reduction of ducted fan engine noise via a boundary integral equation method [microform] : final report for the period April 1996 through April 1997, under grant number NCC-3-469 / by principal investigator, J. Tweed and co-principal investigator, M. Dunn.

    • Text
    • Norfolk, Va. : Dept. of Mathematics & Statistics, College of Engineering and Technology, Old Dominion University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Fan noise prediction [microform] : status and needs / Dennis L. Huff.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Quiet high-speed fan [microform] / Lysbeth Lieber, Russ Repp, and Donald S. Weir.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Aeroacoustic codes for rotor harmonic and BVI noise - CAMRAD.Mod1/HIRES [microform] : methodology and users' manual / D. Douglas Boyd, Jr. ... [et al.].

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
    • 1998

  • Development of improved surface integral methods for jet aeroacoustic predictions [microform] : final report, NASA-Langley grant no. NAG-1660 / Anthony R. Pilon, Anastasios S. Lyrintzis.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Source methodology for turbofan noise prediction (SOURCED3D technical documentation) [microform] / Harold D. Meyer.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Springfield, VA : National Technical Information Service, distributor, [1999]
    • 1999

  • Survey of turbulence models for the computation of turbulent jet flow and noise [microform] / M. Nallasamy.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
    • 1999

  • TFaNS Ṯone ̲F̲an Ṉoise Design/Prediction ̲System [microform] / David A. Topol.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999- ]
    • 1999-present

  • Acoustic scattering by three-dimensional stators and rotors using the SOURCE3D code [microform] / Harold D. Meyer.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Springfield, Va. : Available from National Technical Information Service, [1999-
    • 1999-present

  • Evaluation of the Tone Fan Noise Design/Prediction System (TFaNS) at the NASA Glenn Research Center [microform] / L. Danielle Koch.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
    • 1999

  • Theory for broadband noise of rotor and stator cascades with inhomogeneous inflow turbulence including effects of lean and sweep [microform] / Donald B. Hanson ; prepared under contract NAS3-27727, AST task 13.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001

  • On the applicability of high-frequency approximations to Lilley's equation [microform] / David W. Wundrow, Abbas Khavaran.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information [distributor, 2003]
    • 2003
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS44304

  • Computational analyses of propulsion aeroacoustics for mixed flow nozzle pylon installation at takeoff [microform] / Steven J. Massey, Kenrick A. Waithe.

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

    Available Online

    http://purl.access.gpo.gov/GPO/LPS39057

  • A parametric study of fine-scale turbulence mixing noise [microform] / Abbas Khavaran, James Bridges, [and] Jonathan B. Freund.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2002]
    • 2002
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS51553

  • Numerical techniques in acoustics [microform] : extended abstracts of papers to be presented at American Society of Mechanical Engineers Winter Annual Meeting, Miami, Florida, November 17-21, 1985 / compiled by Kenneth J. Baumeister.

    • Text
    • [Washington. D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : For sale by the National Technical Information Service], 1985.
    • 1985

  • A fan design that meets the NASA aeronautics noise goals [microform] / James Dittmar, ... [et al.].

    • Text
    • [Cleveland, Ohio : NASA Glenn Research Center, 2003]
    • 2003

  • 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

  • Vibrations and structureborne noise in space station [microform] : progress report for the period July 1, 85 - Dec. 31, 85 / prepared by: Rimas Vaicaitis.

    • Text
    • [Washington, DC? : National Aeronautics and Space Administration, 1986]
    • 1986

  • Noise radiation characteristics of the Westinghouse WWG-0600 (600kW) wind turbine generator / Kevin P. Shepherd, Harvey H. Hubbard.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1989]
    • 1989
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS107905

  • Noise radiation characteristics of the Westinghouse WWG-0600 (600kW) wind turbine generator [microform] / Kevin P. Shepherd, Harvey H. Hubbard.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1989]
    • 1989
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS107905

  • 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

  • Full-scale turbofan-engine turbine-transfer function determination using three internal sensors / Lennart S. Hultgren ; prepared for the 17th Aeroacoustics Conference sponsored by the American Institute of Aeronautics and Astronautics and the Confederation of European Aerospace Societies, Portland, Oregon, June 5-8, 2011.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, [2012]
    • 2012
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo27510

  • Evolution of combustion-generated particles at tropospheric conditions / Kathleen M. Tacina and Christopher M. Heath ; prepared for the Turbo Expo 2010 sponsored by the American Society of Mechanical Engineers (ASME), Glasgow, Scotland, United Kingdom, June 14-18, 2010.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, [2012]
    • 2012
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo27778

  • The impact of subsonic twin jets on airport noise / Richard F. Bozark.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, [2012]
    • 2012
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo32088

  • Near-field acoustic power level analysis of F31/A31 open rotor model at simulated cruise conditions, technical report II / Dave Sree.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, July 2015.
    • 2015-7
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo60798

  • The Kirchhoff formulas for moving surfaces in aeroacoustics : the subsonic and supersonic cases / F. Farassat.

    • Text
    • Hampton, Virginia : National Aeronautics and Space Administration, Langley Research Center, September 1996.
    • 1996-9
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS67208

  • Fan noise prediction : status and needs / Dennis L. Huff.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, December 1997.
    • 1997-12
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo79164

  • Aeroacoustic codes for rotor harmonic and BVI noise - CAMRAD.Modl/HIRES : methodology and users' manual / D. Douglas Boyd, Jr. [and three others].

    • Text
    • Hampton, Virginia : National Aeronautics and Space Administration, Langley Research Center, March 1998.
    • 1998-3
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo82973

  • A comparison of combustor-noise models / Lennart S. Hultgren.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, 2012.
    • 2012
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo32546

  • Predicting the inflow distortion tone noise of the NASA Glenn Advanced Noise Control Fan with a combined quadrupole-dipole model / L. Danielle Koch.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, 2012.
    • 2012
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo33030

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