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Acoustic calibration apparatus for calibrating plethysmographic acoustic pressure sensors [microform] / inventors, Allan J. Zuckerwar, David C. Davis.
Text
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
1994
0 resources
Acoustic device and method for measuring gas densities [microform] / inventors, Parthasarathy Shakkottai, Eug Y Kwack, and Lloyd Back.
Text
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]
1991
0 resources
Constant frequency pulsed phase-locked loop measuring device [microform] / inventor, William T. Yost.
Text
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]
1991
0 resources
The effect of a row of helmholtz resonators on the turbulence in a boundary layer [microform] : semi-annual progress report, 30 September 1986, NASA research grant NAG-1-610 / Ronald L. Panton.
Text
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
1986
0 resources
A preliminary investigation of acousto-ultrasonic NDE of metal matrix composite test specimens [microform] / Harold E. Kautz and Brad A. Lerch.
Text
[Washington, DC] : NASA ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
1991
0 resources
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
0 resources
Method for extracting forward acoustic wave components from rotating microphone measurements in the inlets of turbofan engines [microform] / D.E. Cicon, T.G. Sofrin.
Text
[Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
1995
0 resources
Turbulent inflow measurements [microform] : final report, grant number L-1625, period covered: 5 July 1995 to 31 December 1996 / principal investigator, Albert R. George.
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[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Tilt rotor aircraft aeroacoustics [microform] : final report, grant number NAG-2-554, period covered: 1 January 1989 to December 31, 1996 / principal investigator, Albert R. George.
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[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Azimuthal patterns of the radiated sound field from a turbofan model [microform] / R.H. Thomas ... [et al.].
Text
Reston, VA : American Institute of Aeronautics and Astronautics ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
XV-15 structural-acoustic data [microform] / Karen H. Lyle.
Text
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
A comparison of signal enhancement methods for extracting tonal acoustic signals [microform] / Michael G. Jones.
Text
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
Acoustic radiation efficiency models of a simple gearbox [microform] / Mark F. Jacobson and Rajendra Singh, Fred B. Oswald.
Text
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Rayleigh scattering diagnostic for measurement of temperature and velocity in harsh environments [microform] / Richard G. Seasholtz and Lawrence C. Greer III.
Text
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; Springfield, VA : National Technical Information Service, distributor, [1998]
1998
0 resources
Flow duct data for validation of acoustic liner codes for impedance education [microform] / K.K. Ahuja, Scott Munro, and R.J. Gaeta.
Text
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, VA : National Technical Information Service, distributor, [2000]
2000
0 resources
Development and testing of a high level axial array duct sound source for the NASA flow impedance test facility [microform] / Marty E. Johnson, Chris R. Fuller.
Text
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, VA : National Technical Information Service, distributor, [2000]
2000
0 resources
Acoustic and laser doppler anemometer results for confluent and 120-lobed E³ mixer exhaust systems for subsonic jet noise reduction [microform] / M. Salikuddin ... [et al.].
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[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
Adobe Acrobat Reader requiredLocation of noise sources using a phase-slope method [microform] / Richard DeLoach and John S. Preisser.
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[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
Ultrasonic stress wave characterization of composite materials [microform] / John C. Duke, Jr., Edmund G. Henneke II, and Wayne W. Stinchcomb.
Text
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; Springfield, Va. : For sale by the National Technical Information Service, 1986.
1986
0 resources
A study of the stress wave factor technique for nondestructive evaluation of composite materials [microform] / A. Sarrafzadeh-Khoee ... [et al.].
Text
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.
1986
0 resources
Acoustic test and analysis of a counterrotating prop-fan model [microform] / by: Bernard Magliozzi, Paul Brown, David Parzych.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1989]
1989
1 resource
Available online
http://purl.access.gpo.gov/GPO/LPS61249Helicopter airborne laser positioning system (HALPS) [microform] / Joseph C. Eppel ... [et al.].
Text
Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; [Springfield, Va. : For sale by the National Technical Information Service, 1990]
1990
1 resource
Available online
http://purl.access.gpo.gov/GPO/LPS69242Analysis and acoustooptical measurements of bulk and surface acoustic wave fields [microform] : final report / prepared by: R O. Claus, G. D. Dockery, J. W. Gray.
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Blacksburg, VA : Dept. of Electrical Engineering, Virginia Polytechnic Institute and State University ; Hampton, VA : NASA Langley Research Center, [1983]
1983
0 resources
Acoustic measurements of a full-scale rotor with four tip shapes [microform] / Marianne Mosher.
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Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center, [1983]
1983
0 resources
Design and verification guidelines for vibroacoustic and transient environments.
Text
[Marshall Space Flight Center, Ala.] : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, Component Analysis Branch, Systems Dynamics Laboratory, [1986]
1986
1 resource
Available online
https://purl.fdlp.gov/GPO/LPS105384Design and verification guidelines for vibroacoustic and transient environments [microform].
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[Marshall Space Flight Center, Ala.] : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, Component Analysis Branch, Systems Dynamics Laboratory, [1986]
1986
1 resource
Available online
http://purl.access.gpo.gov/GPO/LPS105384Sensor development programs at NASA Ames Research Center / Y.-C. Cho.
Text
Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; Springfield, Va. : For sale by the National Technical Information Service, [1989]
1989
1 resource
Available online
https://purl.fdlp.gov/GPO/LPS108636Sensor development programs at NASA Ames Research Center [microform] / Y.-C. Cho.
Text
Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; Springfield, Va. : For sale by the National Technical Information Service, [1989]
1989
0 resources
Acoustic mode measurements in the inlet of a model turbofan using a continuously rotating rake [microform] / Laurence J. Heidelberg and David G. Hall.
Text
[Washington, DC : National Aeronautics and Space Administration, 1992]
1992
0 resources
Free-jet feasibility study of a thermal acoustic shield concept for AST/VCE application [microform] : dual stream nozzles : comprehensive data report / B.A. Janardan, J.F. Brausch, and A.O. Price.
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Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, [1984]
1984
0 resources
Acoustic measurements of rectangular nozzles with bevel / James E. Bridges.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, [2012]
2012
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo32083Acoustic performance of an advanced model turbofan in three aeroacoustic test facilities / Richard P. Woodward and Christopher E. Hughes.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, [2012]
2012
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo32152Acoustic measurements from a rotor blade-vortex interaction noise experiment in the German-Dutch wind tunnel (DNW) / R.M. Martin [and three others].
Text
Washington, DC : National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.
1988
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo41606Acoustic measurements from a rotor blade-vortex interaction noise experiment in the German-Dutch wind tunnel (DNW) / R.M. Martin [and three others].
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Washington, DC : National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.
1988
0 resources
Acoustic performance of drive rig mufflers for model scale engine testing / David B. Stephens.
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Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, 2013.
2013
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo51671Recent improvements to the Acoustical Testing Laboratory at the NASA Glenn Research Center / Devin M. Podboy [and three others].
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Langley Research Center, March 2014.
2014-3
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo51826Maneuver acoustic flight test of the Bell 430 helicopter data report / Michael E. Watts [and four others].
Text
Hampton, Virginia : National Aeronautics and Space Administration, Langley Research Center, May 2014.
2014-5
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo52363Computational aerodynamic simulations of a 1484 ft/sec tip speed quiet high-speed fan system model for acoustic methods assessment and development / Daniel L. Tweedt.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, October 2014.
2014-10
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo55842Computational aerodynamic simulations of an 840 ft/sec tip speed advanced ducted propulsor fan system model for acoustic methods assessment and development / Daniel L. Tweedt.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, October 2014.
2014-10
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo55838Computational aerodynamic simulations of a 1215 ft/sec tip speed transonic fan system model for acoustic methods assessment and development / Daniel L. Tweedt.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, October 2014.
2014-10
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo55841Acoustic test characterization of melamine foam for usage in NASA's payload fairing acoustic attenuation systems / William O. Hughes, Anne M. McNelis, and Mark E. McNelis.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, June 2014.
2014-6
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo56128Experimental investigation of shock-cell noise reduction for dual-stream nozzles in simulated flight : comprehensive data report / K. Yamamoto [and four others].
Text
Cincinnati, Ohio : General Electric Company, Aircraft Engine Business Group, February, 1984.
1984-2
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo58844Far-field acoustic power level and performance analyses of F31/A31 open rotor model at simulated scaled takeoff, nominal takeoff, and approach conditions, technical report I / Dave Sree.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, May 2015.
2015-5
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo59434Experimental investigation of shock-cell noise reduction for dual-stream nozzles in simulated flight : comprehensive data report / K. Yamamoto [and four others].
Text
Cincinnati, Ohio : General Electric Company, Aircraft Engine Business Group, February, 1984.
1984-2
0 resources
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/gpo60798Noise measurements of high aspect ratio distributed exhaust systems / James E. Bridges.
Text
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, December 2015.
2015-12
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo65870Flight and static exhaust flow properties of an F110-GE-129 engine in an F-16XL airplane during acoustic tests / Jon K. Holzman, Lannie D. Webb, and Frank W. Burcham, Jr.
Text
Edwards, California. : National Aeronautics and Space Administration, Dryden Flight Research Center, November 1996.
1996-11
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo66654A comparison of signal enhancement methods for extracting tonal acoustic signals / Michael G. Jones.
Text
Hampton, Virginia : National Aeronautics and Space Administration, Langley Research Center, May 1998.
1998-5
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo83235Modifications to the 4 x 7 meter tunnel for acoustic research : engineering feasibility study.
Text
Orlando, Fla. : DSMA Engineering Corporation ; Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1986]
1986
1 resource
Available online
https://purl.fdlp.gov/GPO/gpo28951No results found from Digital Research Books Beta
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