Active filters
Displaying 1-50 of 53 results
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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
0 resources
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/LPS44304Computational 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/LPS39057A 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/LPS51553Numerical 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
0 resources
A fan design that meets the NASA aeronautics noise goals [microform] / James Dittmar, ... [et al.].
Text
[Cleveland, Ohio : NASA Glenn Research Center, 2003]
2003
0 resources
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/LPS69903Vibrations 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
0 resources
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/LPS107905Noise 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/LPS107905In-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
0 resources
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/gpo27510Evolution 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/gpo27778The 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/gpo32088Near-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/gpo60798The 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/LPS67208Fan 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/gpo79164Aeroacoustic 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/gpo82973A 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/gpo32546Predicting 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/gpo33030No results found from Digital Research Books Beta
Digital books for research from multiple sources worldwide - all free to read, download, and keep. No library card required.
Explore Digital Research Books Beta