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There are a total of 16 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Dynamics of local grid manipulations for internal flow problems
Author(s): Eiseman, Peter R.; Snyder, Aaron; Choo, Yung K.
Abstract: The control point method of algebraic grid generation is briefly reviewed. The review proceeds from the general statement of the method in 2-D unencumbered by detailed mathematical formulation. The method is supported by an ...
NASA Center: Glenn Research Center
Publication Year: 1991
Added to NTRS: 2008-10-03
Accession Number: 91N21090; Document ID: 19910011777
Specimens Prepared for Materials International Space Station Experiment
Author(s): Banks, Bruce A.; deGroh, Kim K.; Dever, Joyce A.; Jaworske, Donald A.; Miller, Sharon K.; Snyder, Aaron; Sechkar, Edward A.
Abstract: The Materials International Space Station Experiment (MISSE) is a materials flight experiment sponsored by the Materials and Manufacturing Directorate of the Air Force Research Laboratory at Wright-Patterson Air Force Base ...
NASA Center: Glenn Research Center
Publication Year: 2001
Added to NTRS: 2008-06-02
Document ID: 20050195864
Degradation of Hubble Space Telescope Aluminized-Teflon Bi-Stem Thermal Shields
Author(s): de Groh, Kim K.; Snyder, Aaron; Finlay, Katherine A.
Abstract: A section of the retrieved Hubble Space Telescope (HST) bi-stem thermal shields (BSTS), which experienced 8.25 years of space exposure, was analyzed for space environmental durability. The shields were comprised of 2 mil ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2008-03-01
Document ID: 20080005523
Solar Effects on Tensile and Optical Properties of Hubble Space Telescope Silver-Teflon(Registered Trademark) Insulation
Author(s): deGroh, Kim, K.; Dever, Joyce A.; Snyder, Aaron; Kaminski, Sharon; McCarthy, Catherine E.; Rapoport, Alison L.; Rucker, Rochelle N.
Abstract: A section of the retrieved Hubble Space Telescope (HST) solar array drive arm (SADA) multilayer insulation (MLI), which experienced 8.25 years of space exposure, was analyzed for environmental durability of the top layer of ...
NASA Center: Glenn Research Center
Publication Year: 2006
Added to NTRS: 2006-12-27
Document ID: 20060056192; Report Number: E-15572, NASA/TM-2006-212336
Undercutting Studies of Protected Kapton. H Exposed to In-Space and Ground-Based Atomic Oxygen
Author(s): Snyder, Aaron; Banks, Bruce A.; Waters, Deborah L.
Abstract: This study is part of a Materials International Space Station Experiment (MISSE) sequence to characterize the performance of prospective spacecraft materials when subjected to the synergistic effects of the space ...
NASA Center: Glenn Research Center
Publication Year: 2006
Added to NTRS: 2006-10-11
Document ID: 20060046623; Report Number: E-15665, NASA/TM-2006-214387
Numerical simulation of subsonic and transonic propeller flow
Author(s): Snyder, Aaron
Abstract: The numerical simulation of 3-D transonic flow about a system of propeller blades is investigated. In particular, it is shown that the use of helical coordinates significantly simplifies the form of the governing equation ...
NASA Center: Glenn Research Center
Publication Year: 1988
Added to NTRS: 2005-10-13
Accession Number: 88N20262; Document ID: 19880010878; Report Number: E-3725, NAS 1.15:100163, NASA-TM-100163
Numerical simulation of transonic propeller flow using a 3-dimensional small disturbance code employing novel helical coordinates
Author(s): Snyder, Aaron
Abstract: The numerical simulation of three-dimensional transonic flow about propeller blades is discussed. The equations for the unsteady potential flow about propellers is given for an arbitrary coordinate system. From this the ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N19350; Document ID: 19870009917; Report Number: E-3475, NAS 1.15:89826, NASA-TM-89826
Modeling of Transmittance Degradation Caused by Optical Surface Contamination by Atomic Oxygen Reaction with Adsorbed Silicones
Author(s): Snyder, Aaron; Banks, Bruce; Miller, Sharon; Stueber, Thomas; Sechkar, Edward
Abstract: A numerical procedure is presented to calculate transmittance degradation caused by contaminant films on spacecraft surfaces produced through the interaction of orbital atomic oxygen (AO) with volatile silicones and ...
NASA Center: Glenn Research Center
Publication Year: 2001
Added to NTRS: 2005-08-25
Document ID: 20010069712; Report Number: E-12555, NAS 1.15:210597, NASA/TM-2001-210597
Issues and Effects of Atomic Oxygen Interactions With Silicone Contamination on Spacecraft in Low Earth Orbit
Author(s): Banks, Bruce; Rutledge, Sharon; Sechkar, Edward; Stueber, Thomas; Snyder, Aaron; deGroh, Kim; Haytas, Christy; Brinker, David
Abstract: The continued presence and use of silicones on spacecraft in low Earth orbit (LEO) has been found to cause the deposition of contaminant films on surfaces which are also exposed to atomic oxygen. The composition and optical ...
NASA Center: Glenn Research Center
Publication Year: 2000
Added to NTRS: 2005-08-25
Document ID: 20000064110; Report Number: E-12258, NAS 1.15:210056, NASA/TM-2000-210056
Fast Three-Dimensional Method of Modeling Atomic Oxygen Undercutting of Protected Polymers
Author(s): Snyder, Aaron; Banks, Bruce A.
Abstract: A method is presented to model atomic oxygen erosion of protected polymers in low Earth orbit (LEO). Undercutting of protected polymers by atomic oxygen occurs in LEO due to the presence of scratch, crack or pin-window ...
NASA Center: Glenn Research Center
Publication Year: 2002
Added to NTRS: 2005-08-25
Document ID: 20020061703; Report Number: E-13363, NAS 1.15:211578, NASA/TM-2002-211578
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