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

21–40 von 70 Ergebnissen
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    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

    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

    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

    Free-to-Roll Investigation of Uncommanded Lateral Motions for an Aircraft with Vented Strakes

    Owens, Elaine M. / Bryant, Elaine M. / Barlow, Jewel B. | NTRS | 2005
    shows that free-to-roll data or static force and moment data alone are not enough to accurately capture the potential for an aircraft to ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Stability And Control

    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

    Management of Vortices Trailing Flapped Wings via Separation Control

    Greenblatt, David | NTRS | 2005
    A pilot study was conducted on a flapped semi-span model to investigate the concept and viability of near-wake vortex management via ...
    Verlag: NASA National Aeronautics and Space Administration

    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

    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

    The Lag Model Applied to High Speed Flows

    Olsen, Michael E. / Coakley, Thomas J. / Lillard, Randolph P. | NTRS | 2005
    The Lag model has shown great promise in prediction of low speed and transonic separations. The predictions of the model, along with other ...
    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

    Lunar Contour Crafting: A Novel Technique for ISRU-Based Habitat Development

    Khoshnevis, Behrokh / Bodiford, Melanie P. / Burks, Kevin H. et al. | NTRS | 2004
    shielding/crew protection, hinges on the development of Lunar structures, preferably in advance of a manned landing, and preferably utilizing in ...
    Verlag: NASA National Aeronautics and Space Administration

      Lunar Contour Crafting: A Novel Technique for ISRU-Based Habitat Development

      Khoshnevis, Behrokh / Bodiford, Melanie P. / Burks, Kevin H. et al. | NTRS | 2005
      1. Habitat Structures at MSFC is one element of the In-Situ Fabrication and Repair (ISFR) Program: ISFR develops technologies for ...
      Verlag: NASA National Aeronautics and Space Administration
      Schlagwörter: Spacecraft Design, Testing And Performance

    Compressibility and Leading-Edge Bluntness Effects for a 65 Deg Delta Wing

    Luckring, J. M. | NTRS | 2004
    120 million at subsonic and transonic speeds. The configuration incorporated a systematic variation of the leading edge bluntness. The ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    Lifted Partially Premixed Flames in Microgravity

    Lock, Andrew J. / Ganguly, Ranjan / Puri, Ishwar K. et al. | NTRS | 2004
    Lifted Double and Triple flames are established in the UIC-NASA Partially Premixed microgravity rig. The flames examined in this paper are ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Inorganic, Organic And Physical Chemistry

    Implementation of Premixed Equilibrium Chemistry Capability in OVERFLOW

    Olsen, Mike E. / Liu, Yen / Vinokur, M. et al. | NTRS | 2004
    widely used to predict transonic flowfields. The implementation builds on the computational efficiency and geometric generality of the solver. ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Evaluation of the Space Shuttle Transatlantic Abort Landing Atmospheric Sounding System

    Leahy, Frank B. | NTRS | 2004
    This paper describes a study that was conducted to determine the quality of thermodynamic and wind data measured by the Space Shuttle ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Space Transportation And Safety

    Measuring Wall Interference Correction Accuracy: An Overview of the NTF Program (Invited)

    Walker, Eric L. | NTRS | 2004
    Transonic Facility (NTF). The correction capability includes both solid and horizontally slotted test section configurations. A study is underway to ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Research And Support Facilities (Air)

    Paschen Considerations for High Altitude Airships

    Ferguson, D. C. / Hillard, G. B. | NTRS | 2004
    , and high efficiency power management and distribution systems must be employed. The needs for high power and high efficiency imply high ...
    Verlag: NASA National Aeronautics and Space Administration

    Unsteady Validation of a Mean Flow Boundary Condition for Computational Aeroacoustics

    Hixon, R. / Zhen, F. / Nallasamy, M. et al. | NTRS | 2004
    Verlag: NASA National Aeronautics and Space Administration

    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

    Development and Testing of a Drogue Parachute System for X-37 ALTV/B-52H Separation

    Whitmore, Stephen A. / Cobleigh, Brent R. / Jacobson, Steven R. et al. | NTRS | 2004
    Multiple scenarios were identified in which the X-37 approach and landing test vehicle (ALTV) catastrophically recontacts the B-52H carrier ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Launch Vehicles And Launch Operations