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There are a total of 519667 record(s) matching your query.
Sorted by: NASA Center in Ascending order
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Hybrid computer techniques for determining probability distributions
Author(s): Cameron, W. D.
Abstract: No Abstract Available
NASA Center: Ames Research Center Publication Year: 1963
Added to NTRS: 2006-11-06
Accession Number: 65N88892; Document ID: 19650076482; Report Number: NASA-TM-X-50980
UHV studies of the interaction of CO with small supported metal particles, Ni/mica
Author(s): Doering, D. L.; Poppa, H.; Dickinson, J. T.
Abstract: The interaction of carbon monoxide with small nickel (Ni) particles supported on UHV-cleaved mica was studied using flash thermal desorption, Auger electron spectroscopy, and transmission electron microscopy. Molecular ...
NASA Center: Ames Research Center Publication Year: 1982
Added to NTRS: 2004-11-03
Accession Number: 82A27036; Document ID: 19820043501
Effects of Microgravity on Embryonic Quail Eye Development
Author(s): Barrett, Joyce E.; Wells, Diane C.; Paulsen, Avelina Q.; Conrad, Gary W.
Abstract: Immunohistochemical methods were used to stain neurofilament protein in corneal nerves of Embryonic Day 16 (E16) quail eyes that had been fixed in 4% paraformaldehyde at room temperature for several months. Fixation was ...
NASA Center: Ames Research Center Publication Year: 1997
Added to NTRS: 2008-06-02
Document ID: 19990041707
Structure of turbulent shear flows
Author(s): Hussain, A. K. M. F.; Jeong, J.; Kim, J.
Abstract: Activities are summarized for each of the three topics discussed: eduction of coherent structures; measurement of propagation velocities of perturbation in turbulent flows; and direct evaluation of the Taylor hypothesis.
NASA Center: Ames Research Center Publication Year: 1987
Added to NTRS: 2008-05-30
Accession Number: 88N23113; Document ID: 19880013729
Digital autopilots: Design considerations and simulator evaluations
Author(s): Osder, S.; Neuman, F.; Foster, J.
Abstract: The development of a digital autopilot program for a transport aircraft and the evaluation of that system's performance on a transport aircraft simulator is discussed. The digital autopilot includes three axis attitude ...
NASA Center: Ames Research Center Publication Year: 1971
Added to NTRS: 2004-11-03
Accession Number: 72N11942; Document ID: 19720004293; Report Number: NASA-TM-X-62094, PUB-70-1364-00-00
A time-split finite-volume algorithm for three-dimensional flowfield simulation
Author(s): Hung, C. M.; Kordulla, W.
Abstract: No Abstract Available
NASA Center: Ames Research Center Publication Year: 1984
Added to NTRS: 2004-11-03
Accession Number: 85A12708; Document ID: 19850030557
Trends of Reynolds number effects on two-dimensional airfoil characteristics for helicopter rotor analyses
Author(s): Yamauchi, G. K.; Johnson, W.
Abstract: The primary effects of Reynolds number on two dimensional airfoil characteristics are discussed. Results from an extensive literature search reveal the manner in which the minimum drag and maximum lift are affected by the ...
NASA Center: Ames Research Center Publication Year: 1983
Added to NTRS: 2004-11-03
Accession Number: 83N24472; Document ID: 19830016201; Report Number: A-9343, NAS 1.15:84363, NASA-TM-84363
Evaluation of 2 cognitive abilities tests in a dual-task environment
Author(s): Vidulich, M. A.; Tsang, P. S.
Abstract: Most real world operators are required to perform multiple tasks simultaneously. In some cases, such as flying a high performance aircraft or trouble shooting a failing nuclear power plant, the operator's ability to time ...
NASA Center: Ames Research Center Publication Year: 1986
Added to NTRS: 2008-10-06
Accession Number: 86N32988; Document ID: 19860023516
Accuracy enhancements for overset grids using a defect correction approach
Author(s): Rogers, Stuart E.; Pulliam, Thomas H.
Abstract: A defect-correction approach is investigated as a means of enhancing the accuracy of flow computations on overset grids. Typically, overset-grid techniques process and pass information only at grid boundaries. In the current ...
NASA Center: Ames Research Center Publication Year: 1994
Added to NTRS: 2004-11-03
Accession Number: 95A60181; Document ID: 19950028582; Report Number: AIAA PAPER 94-0523
Computation of turbulent pipe and duct flow using third order upwind scheme
Author(s): Kawamura, T.
Abstract: The fully developed turbulence in a circular pipe and in a square duct is simulated directly without using turbulence models in the Navier-Stokes equations. The utilized method employs a third-order upwind scheme for the ...
NASA Center: Ames Research Center Publication Year: 1986
Added to NTRS: 2004-11-03
Accession Number: 86A38416; Document ID: 19860053678; Report Number: AIAA PAPER 86-1042
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