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Displaying 1-37 of 37 results
The aerodynamic characteristics of vortex ingestion for the F/A-18 inlet duct [microform] / Bernhard H. Anderson.
- Text
- [Washington, DC] : NASA ; [Springfield, Va. : National Technical Information Service, distributor, 1991]
- 1991
Evaluation of panel code predictions with experimental results of inlet performance for a 17-inch ducted prop/fan simulator operating at mach 0.2 [microform] / D. R. Boldman ... [et al.].
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1991]
- 1991
A comparison of time domain boundary conditions for acoustic waves in wave guides [microform] / H.T. Banks, G. Propst, R.J. Silcox.
- Text
- Hampton, Va. : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1991]
- 1991
An experimental evaluation of S-duct inlet-diffuser configurations for turboprop offset gearbox applications [microform] / Paul L. McDill.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1986]
- 1986
Aeroacoustic diffraction and dissipation by a short propeller cowl in subsonic flight [microform] / Rudolph Martinez.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1993]
- 1993
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
Aeropropulsion '87. Session 3, Internal fluid mechanics research [microform].
- Text
- [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
- 1987
Flow in out-of-plane double s-bends [microform] / by M.C. Schmidt, J.H. Whitelaw and M. Yianneskis.
- Text
- London, England : Imperial College of Science and Technology, Fluids Section, Mechanical Enginering Dept. : [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1986]
- 1986
The acoustic characteristics of turbomachinery cavities [microform] / M.J. Lucas ... [et al.].
- Text
- [MSFC, Ala.] : National Aeronautics and Space Administration, Marshall Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
A finite element propagation model for extracting normal incidence impedance in nonprogressive acoustic wave fields [microform] / Willie R. Watson ... [et al.].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
The decay of longitudinal vortices shed from airfoil vortex generators [microform] / Bruce J. Wendt, Bruce A. Reichert, Jeffry D. Foster.
- Text
- [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
- 1995
Active noise control of low speed fan rotor-stator modes [microform] / Daniel L. Sutliff ... [et al.].
- Text
- Washington, DC : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Flow through a rectangular-to-semiannular diffusing transition duct [microform] / Jeff Foster ... [et al.].
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
The effects of acoustic treatment on pressure disturbances from a supersonic jet in a circular duct [microform] / Milo D. Dahl.
- Text
- [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
A unique test facility to measure linear performance with a summary of initial test results [microform] / K.K. Ahuja and R.J. Gaeta, Jr.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Finite difference time marching in the frequency domain [microform] : a parabolic formulation for the convective wave equation / K.J. Baumeister, K.L. Kreider.
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
- 1996
The radiated field generated by a monopole source in a short, rigid, rectangular duct [microform] : a thesis submitted to the Faculty of the School of Engineering and Applied Science of the George Washington University in partial satisfaction of the requirements for the degree of Master of Science / Barbara Anne Lakota.
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1998]
- 1998
Exact solutions for sound radiation from a circular duct [microform] / Y.C. Cho and K. Uno Ingard.
- Text
- Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Some acoustic results from the Pratt and Whitney Advanced Ducted Propulsor [microform] : Fan 1 / James H. Dittmar and David M. Elliott, Lawrence A. Bock.
- Text
- [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
- 1999
Acoustic treatment design scaling methods [microform].
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999-
- 1999-present
Preconditioning the helmholtz equation for rigid ducts [microform] / Kenneth J. Baumeister, Kevin L. Kreider.
- Text
- [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; Springfield, VA : National Technical Information Service, distributor, [1998]
- 1998
Measurements of heat transfer, flow, and pressures in a simulated turbine blade internal cooling passage [microform] / Louis M. Russell ... [et al.].
- Text
- [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
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
An experimental comparison of nonswirling and swirling flow in a circular-to-rectangular transition duct [microform] / B. A. Reichert and W. R. Hingst, and T. H. Okiishi.
- Text
- [Cleveland, Ohio : Lewis Research Center, 1991]
- 1991
- 1 Resource
Available Online
http://purl.access.gpo.gov/GPO/LPS62060Active control of multi-dimensional random sound in ducts [microform] / R.J. Silcox, S.J. Elliott.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1990]
- 1990
- 1 Resource
Available Online
http://purl.access.gpo.gov/GPO/LPS67515Water flow measurements in a 180 degree turn-around duct [microform] / by V.A. Sandborn and J.C. Shin.
- Text
- Fort Collins, Colo. : Colorado State University, [1989]
- 1989
- 1 Resource
Available Online
http://purl.access.gpo.gov/GPO/LPS69275Parametric study of electromagnetic waves propagating in absorbing curved S ducts / Kenneth J. Baumeister.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration, [1989]
- 1989
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/LPS107886Calculation of turbulence-driven secondary motion in ducts with arbitrary cross section / A.O. Demuren.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration ; Cleveland, Ohio : Lewis Research Center, Institute for Computational Mechanics in Propulsion, [1989]
- 1989
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/LPS108145Parametric study of electromagnetic waves propagating in absorbing curved S ducts [microform] / Kenneth J. Baumeister.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration, [1989]
- 1989
- 1 Resource
Available Online
http://purl.access.gpo.gov/GPO/LPS107886Calculation of turbulence-driven secondary models in ducts with arbitrary cross section [microform] / A.O. Demuren.
- Text
- [Washington, D.C.] : National Aeronautics and Space Administration ; Cleveland, Ohio : Lewis Research Center, Institute for Computational Mechanics in Propulsion, [1989]
- 1989
- 1 Resource
Available Online
http://purl.access.gpo.gov/GPO/LPS108145Validation of the predicted circumferential and radial mode sound power levels in the inlet and exhaust ducts of a fan ingesting distorted inflow / 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/gpo26304A mode propagation database suitable for code validation utilizing the NASA Glenn advanced noise control fan and artificial sources / Daniel L. Sutliff.
- Text
- Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, April 2014.
- 2014-4
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo53745Hybrid wing body shielding studies using an ultrasonic configurable fan artificial noise source generating typical turbofan modes / Daniel L. Sutliff and Clifford A. Brown, Bruce E. Walker.
- Text
- Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, April 2014.
- 2014-4
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo53741The effects of acoustic treatment on pressure disturbances from a supersonic jet in a circular duct / Milo D. Dahl.
- Text
- Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, November 1996.
- 1996-11
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo70672Active noise control of low speed fan rotor-stator modes / Daniel L. Sutliff [and three others].
- Text
- Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, May 1996.
- 1996-5
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo72613Preconditioning the Helmholtz equation for rigid ducts / Kenneth J. Baumeister, Kevin L. Kreider.
- Text
- Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, March 1998.
- 1998-3
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo82940Turbulence / edited by P. Bradshaw ; with contributions by P. Bradshaw [and others].
- Text
- Berlin ; New York : Springer-Verlag, 1976.
- 1976
- 1 Item
Item details Format Call Number Item Location Text TA357.T87 Off-site
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