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

1–50 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

    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

    Computation of External Aerodynamics for a Canard Rotor/Wing Aircraft

    Pandya, S. A. / Aftosmis, M. J. | NTRS | 2001
    complete rotation. A Cartesian mesh approach is used to compute the flow field about a configuration with faired-over engine inlet and exhaust that ...
    Verlag: NASA National Aeronautics and Space Administration

    Constraint Force Equation Methodology for Modeling Multi-Body Stage Separation Dynamics

    Toniolo, Matthew D. / Tartabini, Paul V. / Pamadi, Bandu N. et al. | NTRS | 2008
    constraint force methodology and its implementation into the Program to Optimize Simulated Trajectories II (POST2), a widely used trajectory design ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Design and Testing of a Blended Wing Body With Boundary Layer Ingestion Nacelles at High Reynolds Numbers

    Campbell, Richard L. / Carter, Melissa B. / Pendergraft, Odis C., Jr. et al. | NTRS | 2005
    reduced the time required to achieve a successful design for each nacelle and the elevon between them. A wind tunnel model was built with ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    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

    Effect of Transducer Flushness on Measured Surface Pressure Fluctuations in Flight

    Efimtsov, B. M. / Golubev, A. Yu. / Kuznetsov, V. B. et al. | NTRS | 2004
    spectra of the turbulent boundary layer by recessed and protruding transducers. The results of flight experiments are compared with data of wind ...
    Verlag: NASA National Aeronautics and Space Administration

    Engineering the Future of Full-Scale Propulsion Testing

    Ryan, H. M. / Solano, W. / Holland, R. et al. | NTRS | 2001
    major test facilites for large-scale propulsion devices, and summarizes the varied nature of the recent test projects conducted at the Stennis ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Spacecraft Propulsion And Power

    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

    Floating Potential Probe Langmuir Probe Data Reduction Results

    Morton, Thomas L. / Minow, Joseph I. | NTRS | 2002
    densities and temperatures in the ISS orbit. In this paper, the algorithms for data reduction are presented, and comparisons are made of FPP data ...
    Verlag: NASA National Aeronautics and Space Administration

    Flow-Tagging Velocimetry for Hypersonic Flows Using Fluorescence of Nitric Oxide

    Danehy, P. M. / OByrne, S. / Houwing, A. F. P. | NTRS | 2001
    oxide molecules with a laser beam and then, after some delay, acquiring an image of the displaced line. One component of velocity is determined ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    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

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

    Bryan, Elaine M. / Owens, D. Bruce / Barlow, Jewel B. | NTRS | 2004
    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

    Implementation of Flow Tripping Capability in the USM3D Unstructured Flow Solver

    Pandya, Mohagna J. / Abdol-Harrid, Khaled S. / Campbell, Richard L. et al. | NTRS | 2006
    normal to a specified surface trip region and computing a function based on the mean flow solution to specify the modified profile of the ...
    Verlag: NASA National Aeronautics and Space Administration

    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

    ISS ECLSS Technology Evolution for Exploration

    Carrasquillo, Robyn | NTRS | 2005
    regenerative oxygen generation and water early 1990's. While they are generally meeting, or exceeding requirements for supporting the ISS crew, lessons ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Man/System Technology And Life Support

    Lessons Learned in the High-Speed Aerodynamic Research Programs of the NACA/NASA

    Spearman, M. Leroy | NTRS | 2004
    compressed and there are changes in the density, pressure and temperature of the air. These compressibility effects change the aerodynamic ...
    Verlag: NASA National Aeronautics and Space Administration

    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

    LiveView3D: Real Time Data Visualization for the Aerospace Testing Environment

    Schwartz, Richard J. / Fleming, Gary A. | NTRS | 2006
    This paper addresses LiveView3D, a software package and associated data visualization system for use in the aerospace testing environment ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Local and Total Density Measurements in Ice Shapes

    Vargas, Mario / Broughton, Howard / Sims, James J. et al. | NTRS | 2005
    Preliminary measurements of local and total densities inside ice shapes were obtained from ice shapes grown in the NASA Glenn Research ...
    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 | 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

    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

    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)

    Modeling Scramjet Flows with Variable Turbulent Prandtl and Schmidt Numbers

    Xiao, X. / Hassan, H. A. / Baurle, R. A. | NTRS | 2006
    A complete turbulence model, where the turbulent Prandtl and Schmidt numbers are calculated as part of the solution and where averages ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Propulsion And Power

    Navier-Stokes Computations of Longitudinal Forces and Moments for a Blended Wing Body

    Pao, S. Paul / Biedron, Robert T. / Park, Michael A. et al. | NTRS | 2004
    The object of this paper is to investigate the feasibility of applying CFD methods to aerodynamic analyses for aircraft stability and ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    New Air-Launched Small Missile (ALSM) Flight Testbed for Hypersonic Systems

    Bui, Trong T. / Lux, David P. / Stenger, Mike et al. | NTRS | 2006
    conceived to help address the lack of quick-turnaround and cost-effective hypersonic flight research capabilities. The Phoenix ALSM testbed results ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Spacecraft Design, Testing And Performance

    Numerical Modeling of Pulse Detonation Rocket Engine Gasdynamics and Performance

    NTRS | 2003
    This paper presents viewgraphs on the numerical modeling of pulse detonation rocket engines (PDRE), with an emphasis on the Gasdynamics and ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    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

    Photovoltaic Power for Future NASA Missions

    Landis, Geoffrey / Bailey, Sheila G. / Lyons, Valerie J. | NTRS | 2002
    Recent advances in crystalline solar cell technology are reviewed. Dual-junction and triple-junction solar cells are presently available ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Spacecraft Propulsion And Power

    Preliminary Dynamic Feasibility and Analysis of a Spherical, Wind-Driven (Tumbleweed), Martian Rover

    Flick, John J. / Toniolo, Matthew D. | NTRS | 2005
    The process and findings are presented from a preliminary feasibility study examining the dynamics characteristics of a spherical wind ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Lunar And Planetary Science And Exploration

    Preliminary Thermal-Mechanical Sizing of Metallic TPS: Process Development and Sensitivity Studies

    Poteet, Carl C. / Abu-Khajeel, Hasan / Hsu, Su-Yuen | NTRS | 2002
    The purpose of this research was to perform sensitivity studies and develop a process to perform thermal and structural analysis and sizing ...
    Verlag: NASA National Aeronautics and Space Administration