Synonyme wurden verwendet für: Meeting
Suche ohne Synonyme: title: 42nd AIAA Aerospace Sciences Meeting and Exhibit

1–20 von 70 Ergebnissen
|

    Aerial Explorers

    Young, Larry A. / Pisanich, Greg / Ippolito, Corey | NTRS | 2005
    scenarios were developed in simulation and evaluated on success in meeting mission goals. This aerial explorer mission architecture study is unique ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration

    Aerodynamic Performance of an Active Flow Control Configuration Using Unstructured-Grid RANS

    Joslin, Ronald D. / Viken, Sally A. | NTRS | 2001
    discontinuities at the leading edge due to the implementation of a fluidic actuator and aft of mid chord oil the upper surface. This paper documents two ...
    Verlag: American Institute of Aeronautics and Astronautics

    Aerodynamics of Trans-Atmospheric Vehicles: A Non-Dimensional Approach

    Ustinov, Eugene A. | NTRS | 2006
    level. As an example of application of this approach, a simple analytic model of the flight dynamics is considered for the powered boost and non ...
    Verlag: NASA National Aeronautics and Space Administration

    Aerothermal Effects of Cavities and Protuberances for High-Speed Sample Return Capsules

    Olynick, David / Kontinos, Dean / Arnold, James O. | NTRS | 1998
    , and Mars Sample Return, are under development that employ sample return as a prime component of the mission architecture. Respectively, these ...
    Verlag: NASA National Aeronautics and Space Administration

    A Generic Guidance and Control Structure for Six-Degree-of-Freedom Conceptual Aircraft Design

    Cotting, M. Christopher / Cox, Timothy H. | NTRS | 2005
    A control system framework is presented for both real-time and batch six-degree-of-freedom simulation. This framework allows stabilization ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Cybernetics, Artificial Intelligence And Robotics

    A Generic Inner-Loop Control Law Structure for Six-Degree-of-Freedom Conceptual Aircraft Design

    Cox, Timothy H. / Cotting, Christopher | NTRS | 2005
    A generic control system framework for both real-time and batch six-degree-of-freedom (6-DOF) simulations is presented. This framework uses ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Cybernetics, Artificial Intelligence And Robotics

    Airborne Shaped Sonic Boom Demonstration Pressure Measurements with Computational Fluid Dynamics Comparisons

    Haering, Edward A., Jr. / Murray, James E. / Purifoy, Dana D. et al. | NTRS | 2005
    of the shaped sonic boom and to validate computational fluid dynamics codes, airborne measurements were taken of the pressure signatures in ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    An Airplane Design having a Wing with Fuselage Attached to Each Tip

    Spearman, Leroy M. | NTRS | 2001
    having a single fuselage with cantilevered wing panels attached to the sides and tail surfaces attached at the rear. Progressively increasing the ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    Analysis of Flow Angularity Repeatability Tests in the NTF

    Hemsch, Michael J. | NTRS | 2006
    consistency and to characterize the results for prediction of angle-of-attack uncertainty for customer tests. A procedure for quality assurance for ...
    Verlag: NASA National Aeronautics and Space Administration

    An Overview of Wind-Driven Rovers for Planetary Exploration

    Hajos, Gregory A. / Jones, Jack A. / Behar, Alberto et al. | NTRS | 2005
    propulsion is the use of wind power. Recent studies have shown potential for wind driven craft for exploration of Mars, Titan and Venus. The power of ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration

    Application of a Real-Fluid Turbomachinery Analysis to Rocket Turbopump Geometries

    Dorney, Daniel J. / Sondak, Douglas L. / Marcu, Bogdan | NTRS | 2005
    both incompressible and compressible flow fields. In this study, the code has been applied to the analysis of inducer and impeller geometries ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    A Quantitative Comparison of Leading-edge Vortices in Incompressible and Supersonic Flows

    Wang, F. Y. / Milanovic, I. M. / Zaman, K. B. M. Q. | NTRS | 2002
    such vortices in incompressible and supersonic flows. The incompressible flow data are obtained in experiments conducted in a low-speed wind ...
    Verlag: NASA National Aeronautics and Space Administration

    Assessment of the Unstructured Grid Software TetrUSS for Drag Prediction of the DLR-F4 Configuration

    Pirzadeh, Shahyar Z. / Frink, Neal T. | NTRS | 2002
    configuration. The paper briefly describes the underlying methodology and summarizes the results obtained on the DLR-F4 transport configuration recently ...
    Verlag: NASA National Aeronautics and Space Administration

    Atmospheric Models for Engineering Applications

    Johnson, Dale L. / Roberts, Barry C. / Vaughan, William W. et al. | NTRS | 2002
    This paper will review the historical development of reference and standard atmosphere models and their applications. The evolution of the ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Meteorology And Climatology

    Atomic Oxygen Effects on Coated Tether Materials

    Gittemeier, Keith A. / Hawk, Clark W. / Finckenor, Miria M. et al. | NTRS | 2005
    ) radiation at MSFC. AO erodes most organic materials, and ultraviolet radiation embrittles polymers. This test series was performed to determine the ...
    Verlag: NASA National Aeronautics and Space Administration

    Autonomous Soaring for Improved Endurance of a Small Uninhabited Air Vehicle

    Allen, Michael J. | NTRS | 2005
    atmosphere called thermals or updrafts. Glider pilots and birds commonly use updrafts to improve range, endurance, or cross-country speed. This ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    CARS Temperature and Species Concentration Measurements in a Supersonic Combustor with Normal Injection

    Tedder, S. A. / OByrne, S. / Danehy, P. M. et al. | NTRS | 2005
    between this 90 degree angle fuel injection case and a 30 degree fuel injection case previously presented at the 2004 Reno AIAA Meeting. ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Inorganic, Organic And Physical Chemistry

    CFD Support for STS-107 Ascent Investigation

    Rogers, Stuart E. / Gomez, Reynaldo J. / Vicker, Darby et al. | NTRS | 2004
    The research described in this viewgraph presentation investigates the ascent of STS-107 and foam-debris impact, and contributes to ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Characterization of the Space Shuttle Ascent Debris using CFD Methods

    Murman, Scott M. / Aftosmis, Michael J. / Rogers, Stuart E. | NTRS | 2005
    , a transport analysis was initiated to determine a credible flight path and impact velocity for the piece of debris. This debris transport ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Comparison of Numerical Schemes for a Realistic Computational Aeroacoustics Benchmark Problem

    Hixon, R. / Wu, J. / Nallasamy, M. et al. | NTRS | 2004
    both the mean flow and the unsteady waves are simultaneously computed on a fully curvilinear grid from a commercial grid generator. The ...
    Verlag: NASA National Aeronautics and Space Administration