Research Catalog
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Displaying 1-50 of 128 results
Flight test measurements from the Tu-144LL structure/cabin noise experiment [microform] / Stephen A. Rizzi, Robert G. Rackl, Eduard V. Andrianov.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 2000]
- 2000
Flight test measurements from the Tu-144LL structure/cabin noise follow-on experiment [microform] / Stephen A. Rizzi, Robert G. Rackl, Eduard V. Andrianov.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 2000]
- 2000
Parametric and experimental analysis using a power flow approach [microform] / J.M. Cuschieri.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1990]
- 1990
A study of rotor broadband noise mechanisms and helicopter tail rotor noise [microform] / Shau-Tak Rudy Chou.
- Text
- Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1990]
- 1990
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
A review of an updated synthesis of noise/annoyance relationships [microform] / James M. Fields.
- Text
- Hampton, Va. : Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
- 1994
Reciprocity-based experimental determination of dynamic forces and moments [microform] : a feasibility study / István L. Vér and Michael S. Howe.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
- 1994
En route noise levels from propfan test assessment airplane [microform] / Donald P. Garber and William L. Willshire, Jr.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
- 1994
Potential impacts of advanced aerodynamic technology on air transportation system productivity [microform] / edited by Dennis M. Bushnell.
- Text
- [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
- 1994
Near-field noise of a single-rotation propfan at an angle of attack [microform] / M. Nallassamy ... [et al.].
- Text
- [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1990]
- 1990
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
Evaluation of the ride quality of a light twin-engine airplane by means of a ride quality meter [microform] / Eric C. Stewart.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; [Springfield, Va. : For sale by the National Technical Information Service, distributor], 1989.
- 1989
The use of cowl camber and taper to reduce rotor/stator interaction noise [microform] / R. Martinez.
- Text
- [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
1993 Technical Paper Contest for Women [microform] : Gear up 2000, Women in Motion / edited by Robin Orans, Sophie Duckett, Susan White.
- Text
- Moffett Field, Calif. : National Aeronautics and Space Administration, Ames 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
Advanced turboprop aircraft flyover noise [microform] : annoyance to counter-rotating-propeller configurations with an equal number of blades on each rotor : preliminary results / David A. McCurdy.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va.? : National Technical Information Service, distributor, 1988]
- 1988
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
A study of methods to predict and measure the transmission of sound through the walls of light aircraft [microform] : semi-annual status report, reporting period 5/15/86 - 11/15/86 / submitted by R.J. Bernhard, principal investigator ... [et al.].
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
- 1986
Methods for designing treatments to reduce interior noise of predominant sources and paths in a single engine light aircraft [microform] / by R.E. Hayden ... [et al.].
- Text
- Hampton, Va : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
- 1985
Propeller aircraft interior noise model [microform] : users' manual for computer program / E.G. Wilby and L.D. Pope.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
- 1985
An experimental investigation of the interior noise control effects of propeller synchrophasing [microform] / J.D. Jones and C.R. Fuller.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : For sale by the National Technical Information Service, 1986]
- 1986
Noise exposure reduction of advanced high-lift systems [microform] / Stephen W. Haffner.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
Evaluation of a doubly-swept blade tip for rotorcraft noise reduction [microform] / Brian E. Wake and T. Alan Egolf.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1992]
- 1992
Data on noise environments at different times of day around airports [microform] / James M. Fields.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : For sale by the National Technical Information Service, 1985]
- 1985
Aviation system capacity improvements through technology [microform] / W. Don Harvey.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
Aerodynamic performance investigation of advanced mechanical suppressor and ejector nozzle concepts for jet noise reduction [microform] : / C.D. Wagenknecht, E.D. Bediako.
- Text
- [Cleveland, Ohio] : Lewis Research Center : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : National Technical Information Service, distributor], 1985.
- 1985
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
A study of methods to predict and measure the transmission of sound through the walls of light aircraft [microform] : semi-annual status report, reporting period 10/1/85 - 5/15/86 / submitted by R.J. Bernhard, principal investigator ... [et al.].
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
- 1986
Influence of tooth profile modification on spur gear dynamic tooth strain [microform] / Fred B. Oswald and Dennis P. Townsend.
- Text
- [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
Aircraft noise prediction program theoretical manual [microform] : rotorcraft system noise prediction system (ROTONET) / Donald S. Weir ... [et al.].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
An assessment of propeller aircraft noise reduction technology [microform] / F. Bruce Metzger.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
Disturbance to the population due to flight operations at landing fields [microform] ; Questionaire on community reaction to non-commercial and sporting aviation / Bernd Rohrmann.
- Text
- Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, [distributor, 1981]
- 1981
Comparison of predicted low speed fan rotor/stator interaction modes to measured [microform] / Daniel L. Sutliff, James Bridges, Edmane Envia.
- Text
- Washington, DC : National Aeronautics and Space Administration ; [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
ROTONET primer [microform] : contract NAS1-19000 / Devon S. Prichard.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
Analytical studies of boundary layer generated aircraft interior noise [microform] / M.S. Howe and P.L. Shah.
- Text
- Boston, MA : Boston University, College of Engineering ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
The effects of linear microphone array changes on computed sound exposure level footprints [microform] / Arnold W. Mueller, Mark R. Wilson.
- Text
- [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
The flight track noise impact model [microform] / Melissa Burn ... [et al.].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Definition of 1992 technology aircraft noise levels and the methodology for assessing airplane noise impact of component noise reduction concepts [microform] / Henry A. Kumasaka and Michael M. Martinez, Donald S. Weir.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
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
Genetic algorithms in conceptual design of a light-weight, low-noise, tilt-rotor aircraft [microform] : final report, NASA grant NAG 2-882 / Valana L. Wells.
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
Validation of aircraft noise models at lower levels of exposure [microform] / Juliet A. Page ... [et al].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
Comparison of the performance of noise metrics as predictors of the annoyance of stage II and stage III aircraft overflights [microform] / Karl S. Pearsons ... [et al.].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
An assessment of commuter aircraft noise impact [microform] / Sanford Fidell ... [et al.].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
Community noise impact of advanced aircraft designs [microform] / Kevin R. Elmer.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
Optimizing an actuator array for the control of multi-frequency noise in aircraft interiors [microform] / D.L. Palumbo and S.L. Padula.
- Text
- [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
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
[Actuator placement for active sound and vibration control] [microform] : [final report].
- Text
- [Williamsburg, VA : College of William and Mary ; Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Reduction of helicopter blade-vortex interaction noise by active rotor control technology [microform] / Yung H. Yu ... [et al.].
- Text
- [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Noise from supersonic coaxial jets. Part 2, Normal velocity profile [microform] / M.D. Dahl and P.J. Morris.
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
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