|
|
 |
 |
|
|
|
Selected Navigations:
Publication Year >
>
[x]
|
Sort results by:
|
|
|
There are a total of 16901 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
|
An evaluation of energy-independent heavy ion transport coefficient approximations
Author(s): Townsend, L. W.; Wilson, J. W.
Abstract: Utilizing a one-dimensional transport theory for heavy ion propagation, evaluations of typical energy-dependent transport coefficient approximations are made by comparing theoretical depth-dose predictions to published ...
NASA Center: Langley Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N24251; Document ID: 19880014867; Report Number: NAS 1.15:101158, NASA-TM-101158
Computer simulation of uphill diffusion in ternary ionic system
Author(s): Yamagishi, Takashi; Fujii, Kiyosumi; Kitsutaka, Shigeo
Abstract: In mutli-component ionic diffusion systems, uphill diffusion is frequently observed. The conditions for the development of uphill diffusion were investigated by computerized simulation of ion exchange between a glass ...
NASA Center: NASA (non Center Specific)
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N25285; Document ID: 19880015901; Report Number: NAS 1.77:20194, NASA-TT-20194
Experimental radio frequency link for Ka-band communications applications
Author(s): Fujikawa, Gene; Conray, Martin J.; Saunders, Alan L.; Pope, Dale E.
Abstract: An experimental radio frequency link has been demonstrated to provide two-way communication between a remote user ground terminal and a ground-based Ka-band transponder. Bit-error-rate performance and radio frequency ...
NASA Center: Glenn Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N24659; Document ID: 19880015275; Report Number: E-4012, NAS 1.15:100824, NASA-TM-100824
Sensitivity analysis and multidisciplinary optimization for aircraft design: Recent advances and results
Author(s): Sobieszczanski-Sobieski, Jaroslaw
Abstract: Optimization by decomposition, complex system sensitivity analysis, and a rapid growth of disciplinary sensitivity analysis are some of the recent developments that hold promise of a quantum jump in the support engineers ...
NASA Center: Langley Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N23766; Document ID: 19880014382; Report Number: NAS 1.15:100630, NASA-TM-100630
Meteorological and Environmental Inputs to Aviation Systems
Abstract: Reports on aviation meteorology, most of them informal, are presented by representatives of the National Weather Service, the Bracknell (England) Meteorological Office, the NOAA Wave Propagation Lab., the Fleet Numerical ...
NASA Center: NASA (non Center Specific)
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N25105; Document ID: 19880015721; Report Number: L-16338, NAS 1.55:2498, NASA-CP-2498
Nonlinear programming extensions to rational function approximation methods for unsteady aerodynamic forces
Author(s): Tiffany, Sherwood H.; Adams, William M., Jr.
Abstract: The approximation of unsteady generalized aerodynamic forces in the equations of motion of a flexible aircraft are discussed. Two methods of formulating these approximations are extended to include the same flexibility in ...
NASA Center: Langley Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N24623; Document ID: 19880015239; Report Number: L-16205, NAS 1.60:2776, NASA-TP-2776
Characterization of a 30-GHz IMPATT solid state amplifier
Author(s): Wald, Lawrence W.
Abstract: Described are the characterization and testing of a 20 W solid state amplifier operating in the Ka band to be used in low cost experimental ground terminals. The amplifier was developed by the TRW Electronic Systems Group ...
NASA Center: Glenn Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N24847; Document ID: 19880015463; Report Number: E-4110, NAS 1.15:100876, NASA-TM-100876
Simulating futures in extended common LISP
Author(s): Nachtsheim, Philip R.
Abstract: Stack-groups comprise the mechanism underlying implementation of multiprocessing in Extended Common LISP, i.e., running multiple quasi-simultaneous processes within a single LISP address space. On the other hand, the future ...
NASA Center: Ames Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N25192; Document ID: 19880015808; Report Number: A-88176, NAS 1.15:101000, NASA-TM-101000
Extrema principles of entrophy production and energy dissipation in fluid mechanics
Author(s): Horne, W. Clifton; Karamcheti, Krishnamurty
Abstract: A survey is presented of several extrema principles of energy dissipation as applied to problems in fluid mechanics. An exact equation is derived for the dissipation function of a homogeneous, isotropic, Newtonian fluid, ...
NASA Center: Ames Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N24946; Document ID: 19880015562; Report Number: A-88131, NAS 1.15:100992, NASA-TM-100992
Application of flight systems methodologies to the validation of knowledge-based systems
Author(s): Duke, Eugene L.
Abstract: Flight and mission-critical systems are verified, qualified for flight, and validated using well-known and well-established techniques. These techniques define the validation methodology used for such systems. In order to ...
NASA Center: Dryden Flight Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N25207; Document ID: 19880015823; Report Number: H-1493, NAS 1.15:100442, NASA-TM-100442
|
|
|
|
|
