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  • Publication Year > 1981-1990 > 1987 [x]

  • Sort results by: NASA Center | Date Added to NTRS | Publication Year
    There are a total of 12728 record(s) matching your query.
    Sorted by: NASA Center in Ascending order

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    Ca HF - The anatomy of a chemical insertion reaction

    Author(s): Jaffe, R. L.; Pattengill, M. D.; Mascarello, F. G.; Zare, R. N.
    Abstract: A comprehensive first-principles theoretical investigation of the gas phase reaction Ca HF - CaF H is reported. Ab initio potential energy calculations are first discussed, along with characteristics of the computed ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87A44214; Document ID: 19870056940

    Full CI benchmark calculations on N2, NO, and O2 - A comparison of methods for describing multiple bonds

    Author(s): Bauschlicher, Charles W., Jr.; Langhoff, Stephen R.
    Abstract: Full configuration interaction (CI) calculations on the ground states of N2, NO, and O2 using a DZP Gaussian basis are compared with single-reference SDCI and coupled pair approaches (CPF), as well as with CASSCF ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87A43335; Document ID: 19870056061

    Trimming an aircraft model for flight simulation

    Author(s): Mcfarland, Richard E.
    Abstract: Real-time piloted aircraft simulations with digital computers have been performed at Ames Research Center (ARC) for over two decades. For the simulation of conventional aircraft models, the establishment of initial vehicle ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2005-08-25
    Accession Number: 87N29502; Document ID: 19870020069; Report Number: A-87238, NAS 1.15:89466, NASA-TM-89466

    Future workstations for visualization of 3D dynamical physics

    Author(s): Watson, Velvin R.
    Abstract: High-performance graphics workstations are becoming very effective for visualizing complex three dimensional fluid flow fields over aircraft and inside engines. These flow fields are good examples for illustrating the ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 94N72295; Document ID: 19940005540; Report Number: NAS 1.15:109887, NASA-TM-109887

    Reactions of atomic oxygen (O(P-3)) with polybutadienes and related polymers

    Author(s): Golub, Morton A.; Lerner, Narcinda R.; Wydeven, Theodore
    Abstract: Thin films of the following polymers were exposed at ambient temperature to ground-state oxygen atoms (O(P-3)), generated by a radio-frequency glow discharge in O2: cis- and trans-1,4-polybutadienes (CB and TB), amorphous ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87N26197; Document ID: 19870016764

    Long term prediction of roll phase for an undisturbed spinning spacecraft

    Author(s): Smith, M. A.; Dyer, J. W.
    Abstract: This paper describes the attitude control of the Pioneer 10 spacecraft since the loss of the sun-sensor signal in late 1983. It is necessary to control the attitude of the spin-stablized spacecraft so as to maintain ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87A22674; Document ID: 19870035400; Report Number: AIAA PAPER 87-0502

    Computation of shock wave reflection by circular cylinders

    Author(s): Yang, J. Y.; Liu, Yen; Lomax, Harvard
    Abstract: No Abstract Available
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87A37106; Document ID: 19870049832

    Numerical simulation of the hypersonic flow around lifting vehicles

    Author(s): Rizk, Yehia; Chaussee, Denny; Steger, Joseph
    Abstract: A method of solving the viscous hypersonic flow field around realistic configurations is presented. The numerical procedure for generating the required finite difference grid and the two-factored implicit flow solver are ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 88N13234; Document ID: 19880003852

    Characteristics of a trailing flap flow with small separation

    Author(s): Adair, D.
    Abstract: Detailed measurements of pressure and velocity characteristics are reported for the flow on and downstream of a trailing flap, whose 16 degree angle of incidence resulted in boundary layer separation, a small region of ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87A29956; Document ID: 19870042682

    Status of computational fluid dynamics in the United States

    Author(s): Kutler, Paul; Steger, Joseph L.; Bailey, F. R.
    Abstract: CFD-related progress in U.S. aerospace industries and research institutions is evaluated with respect to methods employed, their applications, and the computer technologies employed in their implementation. Goals for ...
    NASA Center: Ames Research Center
    Publication Year: 1987
    Added to NTRS: 2004-11-03
    Accession Number: 87A42083; Document ID: 19870054809; Report Number: AIAA PAPER 87-1135

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