1–20 von 55 Ergebnissen
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    Towards Rocket Engine Components with Increased Strength and Robust Operating Characteristics

    Marcu, Bogdan / Hadid, Ali / Lin, Pei et al. | NTRS | 2005
    nozzle. One objective of the redesign effort was to increase airfoil thickness and thus increase its strength while at the same time detuning the ...
    Verlag: NASA National Aeronautics and Space Administration

    Statistical Analysis of Strength Data for an Aerospace Aluminum Alloy

    Neergaard, Lynn / Malone, Tina / Gentz, Steven J. | NTRS | 2000
    paper discusses statistical trends seen in strength data for one Al alloy. A four-step approach reduced the data to residuals, visualized ...
    Verlag: NASA National Aeronautics and Space Administration

    Commercialization of NASA's High Strength Cast Aluminum Alloy for High Temperature Applications

    Lee, Jonathan A. | NTRS | 2003
    In this paper, the commercialization of a new high strength cast aluminum alloy, invented by NASA-Marshall Space Flight Center, for high ...
    Verlag: NASA National Aeronautics and Space Administration

    (abstract) ARGOS: a System to Monitor Ulysses Nutation and Thruster Firings from Variations of the Spacecraft Radio Signal

    McElrath, T. P. / Cangahuala, L. A. / Miller, K. J. et al. | NTRS | 1995
    . The work performed by the ESA Operations Team provided a model for a system that uses the radio signal strength measurements to monitor the ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Ulysses nutation Doppler radio signal strength measurements spacecraft dynamics

    Structural Safety of a Hubble Space Telescope Science

    Lou, M. C. / Brent, D. N. | NTRS | 1993
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: shuttle payloads uniform safety policies strength design vibro-acoustic loads

    Response of Damaged and Undamaged Tailored Extension-Shear-Coupled Composite Panels

    Baker, Donald J. | NTRS | 2008
    500 in.-lbs indicate a minimal loss in stiffness and less than 30 percent loss in strength. Evaluation of specimens with severed center ...
    Verlag: NASA National Aeronautics and Space Administration

    Design Concept for a Reusable/Propellantless MXER Tether Space Transportation System

    McCandless, B., II / Kustas, F. m. / Marshall, L. S. et al. | NTRS | 2005
    geosynchronous transfer orbit, the Moon or Mars. MXER technology advancement requires development in two key areas: survivable, high tensile strength non ...
    Verlag: NASA National Aeronautics and Space Administration

    Demonstration of a 10-m Solar Sail System

    Murphy, David M. / Macy, Brian D. / Gaspar, James L. | NTRS | 2004
    nearly complete. Results of testing and analytical model validation of component and assembly functional, strength, stiffness, shape, and dynamic ...
    Verlag: NASA National Aeronautics and Space Administration

    Marshall Space Flight Center Test Capabilities

    Hamilton, Jeffrey T. | NTRS | 2005
    strength, structural dynamic and environmental testing. We have tremendous engineering expertise in research, evaluation, analysis, design and ...
    Verlag: NASA National Aeronautics and Space Administration

    Future Nanotube Commercialization Opportunities at the NASA Marshall Space Flight Center and the US Army Aviation and Missile Command

    Watson, Michael / Shah, Sandeep / Kaul, Raj et al. | NTRS | 2001
    Missile Command (AMCOM). MSFC has interest in applications of nanotubes as sensors and high strength lightweight materials for propulsion system ...
    Verlag: NASA National Aeronautics and Space Administration

    Test Laboratory Facilities and Capabilities

    Hamilton, Jeff | NTRS | 2004
    strength/dynamic and environmental testing. We have tremendous engineering expertise in research, evaluation, analysis, design and development, and ...
    Verlag: NASA National Aeronautics and Space Administration

    Wireless Network Simulation in Aircraft Cabins

    Beggs, John H. / Youssef, Mennatoallah / Vahala, Linda | NTRS | 2004
    An electromagnetic propagation prediction tool was used to predict electromagnetic field strength inside airplane cabins. A commercial ...
    Verlag: NASA National Aeronautics and Space Administration

    Model Validation of Wake-Vortex/Aircraft Encounters

    Pete, Kimberly R. / Vicroy, Dan D. / Smith, Sonya T. | NTRS | 2000
    strength and comparing the model's results with the experiment illustrates the sensitivity of the models to the vortex circulation strength. It was ...
    Verlag: NASA National Aeronautics and Space Administration

    Solar Array Arcing in LEO How Much Charge is Discharged?

    Ferguson, D. C. / Vayner, B. V. / Galofaro, J. T. | NTRS | 2004
    spacecraft ground are discharged, whether the arc plasma can reach them or not. Implications from the strength and damaging effects of areas on LEO ...
    Verlag: NASA National Aeronautics and Space Administration

    Management of Vortices Trailing Flapped Wings via Separation Control

    Greenblatt, David | NTRS | 2005
    . Vortex sheet strength, estimated by integrating surface pressure ports, was used to predict vortex characteristics by means of inviscid rollup ...
    Verlag: NASA National Aeronautics and Space Administration

    Mars Exploration Rovers Entry, Descent, and Landing Trajectory Analysis

    Desai, Prasun N. / Knocke, Philip C. | NTRS | 2007
    , classification accuracy is significantly improved for a number of visible classes when adding the GPS-based signal features. Since the strength of the ...
    Verlag: NASA National Aeronautics and Space Administration

    Electromagnetic Propagation Prediction Inside Aircraft Cabins

    Hankins, Genevieve / Vahala, Linda / Beggs, John H. | NTRS | 2004
    Electromagnetic propagation models for signal strength prediction within aircraft cabins are essential for evaluating and designing a ...
    Verlag: NASA National Aeronautics and Space Administration

    Fracture Control Requirements for Composite and Bonded Structures

    Faile, Gwyn C. | NTRS | 2004
    strength, and reuse. Not adequate for or directly applicable to next generation of spacecraft. ...
    Verlag: NASA National Aeronautics and Space Administration

    Balloon Ascent: 3-D Simulation Tool for the Ascent and Float of High-Altitude Balloons

    Farley, Rodger E. | NTRS | 2005
    many handy calculators, such as appropriate free lift, and steady-state thermal solutions with temperature gradients. The strength of this ...
    Verlag: NASA National Aeronautics and Space Administration

    Orientation and resonance locks for satellites in the elliptic orbit

    Liu, H.-S. | NTRS | 1971
    Satellite orientation during deployment established in order to achieve maximum strength of higher rotational locks for satellites in ...
    Verlag: NASA National Aeronautics and Space Administration