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Displaying 1-50 of 94 results
Acoustic and aerothermal performance test of the axisymmetric coannular ejector nozzle [microform] / William Herkes.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for AeroSpace Information ; Springfield, VA : National Technical Information Service [distributor, 2000-
2000
0 resources
A new method for reduction of photomultiplier signal-induced noise [microform] / Andrea Koble, Russell DeYoung.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, VA : National Technical Information Service, distributor, [2000]
2000
0 resources
Piloted simulation study of the effect of high-lift aerodynamics on the takeoff noise of a representative high-speed civil transport [microform] / Louis J. Glaab ... [et al.].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Aeroacoustics of flight vehicles [microform] : theory and practice / edited by Harvey H. Hubbard.
Microform
Washington, D.C. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program ; [Springfield, Va. : For sale by the National Technical Information Service, 1991- ]
1991-present
0 resources
Forward sweep, low noise rotor blade [microform] / inventor, Thomas F. Brooks.
Microform
[Washington, DC : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
1994
0 resources
Jet mixer noise suppressor using acoustic feedback [microform] / inventor, Edward J. Rice.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]
1993
0 resources
Marshall Space Flight Center electromagnetic compatibility design and interference control (MEDIC) handbook [microform] : CDDF final report, project no. 93-15 / T.L. Clark ... [et al.].
Microform
MSFB, Ala. : National Aeronautics and Space Administration, Marshall Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
1995
0 resources
A comprehensive approach to management of workplace and environmental noise at NASA Lewis Research Center [microform] / Beth A. Cooper.
Microform
[Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
1995
0 resources
The influence of lamination angles on the interior noise levels of an aircraft [microform] / Christian M. Fernholz, Jay H. Robinson.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Nonlinear stability of supersonic jets [microform] / T.R.S. Bhat, J.M. Seiner, and S.N. Tiwari.
Microform
Hampton, Va. : NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
1995
0 resources
The flight track noise impact model [microform] / Melissa Burn ... [et al.].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
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.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Validation of aircraft noise models at lower levels of exposure [microform] / Juliet A. Page ... [et al].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Community noise impact of advanced aircraft designs [microform] / Kevin R. Elmer.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Blade-mounted flap control for BVI noise reduction proof-of-concept test [microform] / Seth Dawson ... [et al].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
1995
0 resources
Active control of wind tunnel noise [microform] : a technical report ... / by principal investigator, Patrick Hollis.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]
1991
0 resources
Optimizing an actuator array for the control of multi-frequency noise in aircraft interiors [microform] / D.L. Palumbo and S.L. Padula.
Microform
[Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Low speed, 2-D rotor/stator active noise control at the source demonstration [microform] : under contract NAS3-26618 / John C. Simonich ... [et al.].
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Broadband fan noise generated by small scale turbulence [microform] : final report on NASA grant number NAG 1-1202 / Stewart A.L. Glegg.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
Development of multiobjective optimization techniques for sonic boom minimization [microform] : final report on NASA Ames grant no. NCC2-5064, performance period--5/16/94-9/15/96 / principal investigators: Aditi Chattopadhyay and John Narayan Rajadas, Narayanan S. Pagaldipti.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Performance of optimized actuator and sensor arrays in an active noise control system [microform] / D.L. Palumbo ... [et al.].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
[Actuator placement for active sound and vibration control] [microform] : [final report].
Microform
[Williamsburg, VA : College of William and Mary ; Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
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.
Microform
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
Noise from supersonic coaxial jets. Part 2, Normal velocity profile [microform] / M.D. Dahl and P.J. Morris.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Computational investigations of noise suppression in subsonic round jets [microform] : final report for NASA grant NAG1-1802 / principal investigator, C. David Pruett.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Actuator feasibility study for active control of ducted axial fan noise [microform] : under contract NAS3-26618 / John C. Simonich.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
1994
0 resources
Quelling cabin noise in turboprop aircraft via active control [microform] / Rex K. Kincaid and Keith E. Laba, Sharon L. Padula.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Recursive deadbeat controller design [microform] / Jer-Nan Juang, Minh Q. Phan.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley 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.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Ejector noise suppression with auxiliary jet injection [microform] : under contract NAS3-27246 / Charles H. Berman and Otto P. Andersen, Jr.
Microform
[Washington, DC : National Aeronautics and Space Administration ; 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.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
Reduced perceived noise low tip speed fans as result of abandoning cutoff stator vane numbers [microform] / James Dittmar.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; Springfield, VA : National Technical Information Service, distributor, [1998]
1998
0 resources
NASA/ASEE Summer Faculty Fellowship Program [microform] : John F. Kennedy Space Center, University of Central Florida : 1996 research reports : NASA grant NGT10-52605, contractor report no. CR-202756 / editors, Roger Johnson, Gregg Buckingham.
Microform
[Washington, DC] : NASA ; [Orlando, Fla.] : University of Central Florida ; [Washington, DC] : American Society for Engineering Education ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
Benefits of swept and leaned stators for fan noise reduction [microform] / Richard P. Woodward ... [et al.].
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
A fan concept to meet the 2017 noise goals [microform] / James H. Dittmar.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
A fan concept to meet the 2017 noise goals [microform] / James H. Dittmar.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; Springfield, VA : National Technical Information Service, distributor, [1998]
1998
0 resources
Computational noise study of a supersonic short conical plug-nozzle jet [microform] / Indu S. Das, Abbas Khavaran, and A.P. Das.
Microform
[Washington, DC] : National Aeronautics & Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
1996
0 resources
The aviation system analysis capability noise impact model [microform] / Earl R. Wingrove III ... [et al.].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, VA : National Technical Information Service [distributor, 1998]
1998
0 resources
Advanced turbofan duct liner concepts [microform] / Gerald W. Bielak and John W. Premo, Alan S. Hersh.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Hybrid active/passive jet engine noise suppression system [microform] / C.A. Parente ... [et al.].
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Some acoustic results from the Pratt and Whitney Advanced Ducted Propulsor [microform] : Fan 1 / James H. Dittmar and David M. Elliott, Lawrence A. Bock.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
High resolution imaging of the Sun with CORONAS-1 [microform] : NASA grant NAGW-4675 : final report : for the period 1 June 1995 through 30 September 1997 / principal investigator, Margarita Karovska.
Microform
Cambridge, Mass. : Smithsonian Institution, Astrophysical Observatory ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
Acoustic treatment design scaling methods [microform].
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999-
1999-present
0 resources
Study of the TRAC airfoil table computational system [microform] / Hong Hu.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Titanium aluminide applications in the high speed civil transport [microform] / Paul A. Bartolotta and David L. Krause.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Springfield, VA : National Technical Information Service, distributor, [1999]
1999
0 resources
Noise reduction with lobed mixers [microform] : nozzle-length and free-jet speed effects / Vinod G. Mengle ... [et al.].
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; Springfield, VA : National Technical Information Service, distributor, [1997]
1997
0 resources
Active control of fan noise by vane actuators [microform] / Alan R.D. Curtis.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Predicted aerodynamic characteristics of a NACA 0015 airfoil having a 25% integral-type trailing edge flap [microform] / Ahmed Hassan.
Microform
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Design of a low speed fan stage for noise suppression [microform] / W.N. Dalton, D.B. Elliot, and K.L. Nickols.
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
Infrared speckle interferometry with 2-D arrays [microform] / P.M. Harvey, S.L. Balkum and J.L. Monin.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
1994
0 resources