|
|
 |
 |
|
|
|
|
Sort results by:
|
|
|
There are a total of 1031821 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
|
Quantifying the Impact of the North American Monsoon and Deep Midlatitude Convection on the Subtropical Lowermost Stratosphere using in Situ Measurements
Author(s): Weinstock, E. M.; Pittman, J. V.; Sayres, D. S.; Smith, J. B.; Anderson, J. G.; Wofsy, S. C.; Xueref, I.; Gerbig, C.; Daube, B. C.; Pfister, L.; Richard, E. C.; Ridley, B. A.; Weinheimer, A. J.; Jost, H.-J.; Lopez, J. P.; ...
Abstract: The chemical composition of the lowermost stratosphere exhibits both spatial and temporal variability depending upon the relative strength of (1) isentropic transport from the tropical tropopause layer (TTL), (2) diabatic ...
NASA Center: Ames Research Center
Publication Year: 2007
Added to NTRS: 2009-01-15
Document ID: 20090001327
Observations of disk-shaped bodies in free flight at terminal velocity
Author(s): Vorreiter, J. W.; Tate, D. L.
Abstract: Ten disk-shaped models of a proposed nuclear heat source module were released from an aircraft and observed by radar. The initial launch attitude, spin rate, and mass of the models were varied. Significant differences were ...
NASA Center: Ames Research Center
Publication Year: 1973
Added to NTRS: 2009-01-15
Accession Number: 73N22978; Document ID: 19730014251; Report Number: NASA-TM-X-62262
Medical Operational Challenges in the Expedition 16 Landing and Recovery
Author(s): Moynihan, S.; Johnston, S. L.; Ilcus, L. S.; Shevchenko, V.
Abstract: On April 19, 2008 the crew of Expedition 16 left the International Space Station and returned to earth via their Soyuz TMA-11 capsule after 192 days on orbit. Their capsule experienced the second consecutive and third ...
NASA Center: Johnson Space Center
Publication Year: 2009
Added to NTRS: 2009-01-15
Document ID: 20090001303
Effect of Excess Lead and Bismuth Content on the Electrical Properties of High-Temperature Bismuth Scandium Lead Titanate Ceramics
Author(s): Sehirlioglu, Alp; Sayir, Ali
Abstract: Aeronautic and aerospace applications require piezoelectric materials that can operate at high temperatures. The air-breathing aeronautic engines can use piezoelectric actuators for active combustion control for fuel ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001340
Aeroelastic Sizing for High-Speed Research (HSR) Longitudinal Control Alternatives Project (LCAP)
Author(s): Walsh, Joanne L.; Dunn, H. J.; Stroud, W. Jefferson; Barthelemy, J.-F.; Weston, Robert P.; Martin, Carl J.; Bennett, Robert M.
Abstract: The Longitudinal Control Alternatives Project (LCAP) compared three high-speed civil transport configurations to determine potential advantages of the three associated longitudinal control concepts. The three aircraft ...
NASA Center: Langley Research Center
Publication Year: 2005
Added to NTRS: 2009-01-15
Document ID: 20050229941; Report Number: L-19079, NASA/TP-2005-213533
A collection of technical papers: Air
Abstract: No Abstract Available
NASA Center: NASA (non Center Specific)
Publication Year: 1971
Added to NTRS: 2009-01-15
Accession Number: 76N75735; Document ID: 19760070694; Report Number: NASA-TM-X-74124
International VLBI Service for Geodesy and Astrometry 2004 General Meeting Proceedings
Abstract: This volume is the proceedings of the third General Meeting of the International VLBI Service for Geodesy and Astromctry IVS), held in Otlawa, Canada, February 9-11,2004. The keynote of the third GM was visions for the next ...
NASA Center: Goddard Space Flight Center
Publication Year: 2004
Added to NTRS: 2009-01-15
Document ID: 20040191424; Report Number: NASA/CP-2004-212255, Rept-2004-02219-0
Models of Lift and Drag Coefficients of Stalled and Unstalled Airfoils in Wind Turbines and Wind Tunnels
Author(s): Spera, David A.
Abstract: Equations are developed with which to calculate lift and drag coefficients along the spans of torsionally-stiff rotating airfoils of the type used in wind turbine rotors and wind tunnel fans, at angles of attack in both the ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001311; Report Number: E-16599, NASA/CR-2008-215434
The Conference Proceedings of the 2003 Air Transport Research Society (ATRS) World Conference, Volume 5
Abstract: The UNO Aviation Institute Monograph Series began in 1994 as a key component of the education outreach and information transfer missions of the Aviation Institute and the NASA Nebraska Space Grant & EPSCoR Programs. The ...
NASA Center: Goddard Space Flight Center
Publication Year: 2003
Added to NTRS: 2009-01-15
Document ID: 20050156072; Report Number: UNOAI 03-9
Computational Analyses of Pressurization in Cryogenic Tanks
Author(s): Ahuja, Vineet; Hosangadi, Ashvin; Mattick, Stephen; Lee, Chun P.; Field, Robert E.; Ryan, Harry
Abstract: A) Advanced Gas/Liquid Framework with Real Fluids Property Routines: I. A multi-fluid formulation in the preconditioned CRUNCH CFD(Registered TradeMark) code developed where a mixture of liquid and gases can be specified: a) ...
NASA Center: Stennis Space Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001348; Report Number: SSTI-8080-0022
|
|
|
|
|
