|
|
 |
 |
|
|
|
Selected Navigations:
NASA Center >
[x]
|
Sort results by:
|
|
|
There are a total of 80698 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
|
Proposed Facility Modifications to Support Propulsion Systems Testing Under Simulated Space Conditions at Plum Brook Station's Spacecraft Propulsion Research Facility (B-2)
Author(s): Edwards, Daryl A.
Abstract: Preparing NASA's Plum Brook Station's Spacecraft Propulsion Research Facility (B-2) to support NASA's new generation of launch vehicles has raised many challenges for B-2's support staff. The facility provides a unique ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001343
Preliminary Test Results of a Non-Contacting Finger Seal on a Herringbone-Grooved Rotor
Author(s): Proctor, Margaret P.; Degado, Irebert R.
Abstract: Low leakage, non-contacting finger seals have potential to reduce gas turbine engine specific fuel consumption by 2 to 3 percent and to reduce direct operating costs by increasing the time between engine overhauls. A ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001313; Report Number: AIAA Paper-2008-4506, E-16560-1, NASA/TM-2008-215475
Shear Modulus for Nonisotropic, Open-Celled Foams Using a General Elongated Kelvin Foam Model
Author(s): Sullivan, Roy M.; Ghosn, Louis J.
Abstract: An equation for the shear modulus for nonisotropic, open-celled foams in the plane transverse to the elongation (rise) direction is derived using an elongated Kelvin foam model with the most general geometric description. ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001310; Report Number: E-16613, NASA/TM-2008-215430
AMBR [Advanced Material Bipropellant Rocket] Engine for Science Missions
Author(s): Liou, Larry C.
Abstract: This viewgraph presentation reviews the Advanced Material Bipropellant Rocket (AMBR) in space propulsion technology for Space Missions.
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001339
LOX/Methane Main Engine Igniter Tests and Modeling
Author(s): Breisacher, Kevin J.; Ajmani, Kumund
Abstract: The LOX/methane propellant combination is being considered for the Lunar Surface Access Module ascent main engine propulsion system. The proposed switch from the hypergolic propellants used in the Apollo lunar ascent engine ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001308; Report Number: AIAA Paper-2008-4757, E-16585, NASA/TM-2008-215421
Orion Crew Member Injury Predictions during Land and Water Landings
Author(s): Lawrence, Charles; Littell, Justin D.; Fasanella, Edwin L.; Tabiei, Ala
Abstract: A review of astronaut whole body impact tolerance is discussed for land or water landings of the next generation manned space capsule named Orion. LS-DYNA simulations of Orion capsule landings are performed to produce a low, ...
NASA Center: Glenn Research Center, Langley Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001323
The Effect of Spray Initial Conditions on Heat Release and Emissions in LDI CFD Calculations
Author(s): Iannetti, Anthony C.; Liu, Nan-Suey; Davoudzadeh, Farhad
Abstract: The mass and velocity distribution of liquid spray has a primary effect on the combustion heat release process. This heat release process then affects emissions like nitrogen oxides (NOx) and carbon monoxide (CO). ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001309; Report Number: E-16591, NASA/TM-2008-215422
Collaboration with Williams International to Demonstrate the Characteristics of a Foam-Metal-Liner Installed Over-the-Rotor of a Turbofan Engine
Author(s): Sutliff, Daniel; Elliott, Dave; Jones, Mike; Hartley, Tom
Abstract: A Williams International FJ44-3A 3000-lb thrust class turbofan engine was used as a demonstrator for foam-metal liner installed in close proximity to the fan. Two foam metal liner designs were tested and compared to the ...
NASA Center: Glenn Research Center, Langley Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001341
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
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
|
|
|
|
|
