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There are a total of 13881 record(s) matching your query.
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Validation of Aura Microwave Limb Sounder O3 and CO Observations in the Upper Troposphere and Lower Stratosphere
Author(s): Livesey, N. J.; Filipiak, M. J.; Froidevaux, L.; Read, W. G.; Lambert, A.; Santee, J. L.; Jiang, J. H.; Pumphrey, H. C.; Waters, J. W.; Cofield, R. E.; Cuddy, D. T.; Daffer, W. H.; Drouin, B. J.; Fuller, R. A.; Jarnot, R. ...
Abstract: Global satellite observations of ozone and carbon monoxide from the Microwave Limb Sounder (MLS) on the EOS Aura spacecraft are discussed with emphasis on those observations in the 2 15 - 100 hPa region (the upper ...
NASA Center: Ames Research Center, Jet Propulsion Laboratory, Langley Research Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001325
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
Assessment of Evidence Base from Medical Debriefs Data on Space Motion Sickness Incidence and Treatment
Author(s): Younker, D.R.; Daniels, V.R.; Boyd, J.L.; Putcha, L.
Abstract: An objective of this data compilation and analysis project is to examine incidence and treatment efficacy of common patho-physiological disturbances during spaceflight. Analysis of medical debriefs data indicated that ...
NASA Center: Johnson Space Center
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001305
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
Measurements of Trace Gases in the Tropical Tropopause Layer
Author(s): Marcy, T. P.; Popp, P. J.; Gao, R. S.; Fahey, D. W.; Ray, E. A.; Richard, E. C.; Thompson, T. L.; Atlas, E. L.; Lowenstein, M.; Wofsy, S. C.; Park, S.; Weinstock, E. M.; Swartz, W. H.; Mahoney, M. J.
Abstract: A unique dataset of airborne in situ observations of HCl, O3, HNO3, H2O, CO, CO2 and CH3Cl has been made in and near the tropical tropopause layer (TTL). A total of 16 profiles across the tropopause were obtained at ...
NASA Center: Ames Research Center, Jet Propulsion Laboratory
Publication Year: 2008
Added to NTRS: 2009-01-15
Document ID: 20090001328
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