1–20 von 1,358 Ergebnissen
|

    X-Ray Optics at NASA Marshall Space Flight Center

    O'Dell, Stephen L. / Atkins, Carolyn / Broadway, David M. et al. | NTRS | 2015
    of grazing-incidence optics, in order to produce high-strength, thin-walled, full-cylinder x-ray mirrors. In recent years, MSFC has used this ...
    Verlag: NASA National Aeronautics and Space Administration

    X-Ray Optics at NASA Marshall Space Flight Center

    O'Dell, Stephen L. / Atkins, Carolyn / Broadway, David M. et al. | NTRS | 2015
    of grazing-incidence optics, in order to produce high-strength, thin-walled, full-cylinder x-ray mirrors. In recent years, MSFC has used this ...
    Verlag: NASA National Aeronautics and Space Administration

    X-57 Wing Structural Load Testing

    Eric J Miller / Wesley Li / Ashante Jordan et al. | NTRS
    and 12 high-lift electric motors along the wing span. The testing described in this paper confirmed the strength of the X-57 wing for flight ...
    Verlag: NASA National Aeronautics and Space Administration

    X-33 Telemetry Best Source Selection, Processing, Display, and Simulation Model Comparison

    Burkes, Darryl A. | NTRS | 1998
    critical flight safety parameters by the primary Range Safety Officer. The real-time telemetry data (received signal strength, etc.) from each of ...
    Verlag: NASA National Aeronautics and Space Administration

    X-33 Integrated Test facility, Extended Range Simulation

    Sharma, Ashley | NTRS | 1998
    developed by NASA Goddard Space Flight Center, calculate the received signal strength at each ground station. This model takes into consideration ...
    Verlag: NASA National Aeronautics and Space Administration

    X1: A Robotic Exoskeleton for In-Space Countermeasures and Dynamometry

    Rea, Rochelle / Beck, Christopher / Rovekamp, Roger et al. | NTRS | 2013
    measure muscle strength. This lower-extremity device has the ability to assist or resist human movement through the use of actuators positioned at ...
    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

    Wire EDM for Refractory Materials

    Zellars, G. R. / Harris, F. E. / Lowell, C. E. et al. | NTRS | 1982
    fabricating matched blade roots and disk slots. Eight high-strength nickel-base superalloys were used. Computer-controlled Wire EDM technique provided ...
    Verlag: NASA National Aeronautics and Space Administration

    Wind tunnel investigation of aerodynamic and tail buffet characteristics of leading-edge extension modifications to the F/A-18

    Shah, Gautam H. | NTRS | 1991
    strongly dependent upon the LEX geometry, which directly influences the strength, position, and breakdown characteristics of the vortex flow field ...
    Verlag: NASA National Aeronautics and Space Administration

    Why Not Space Tethers?

    Stone, Noble H. | NTRS | 2007
    experienced during early development of the technology now have solutions; and (2) the technology has been matured by advances made in strength and ...
    Verlag: NASA National Aeronautics and Space Administration

    What Is Human Performance - From the Mind of A Strength Coach

    Corey Twine | NTRS
    Verlag: NASA National Aeronautics and Space Administration

    Weld width indicates weld strength

    Nunes, A. C. J. / Novak, H. L. / Mcllwain, M. C. | NTRS | 1982
    Width of butt weld in 2219-T87 aluminum has been found to be more reliable indicator of weld strength than more traditional parameters of ...
    Verlag: NASA National Aeronautics and Space Administration

    Welding in space and the construction of space vehicles by welding; Proceedings of the Conference, New Carrollton, MD, Sept. 24-26, 1991

    NTRS | 1991
    , high-strength lightweight alloys, steels, and heat-resistant alloys for aerospace welded structures, the NASA-Goddard satellite repair program ...
    Verlag: NASA National Aeronautics and Space Administration

    Weight-strength studies of structures representative of fuselage construction

    Peterson, James P | NTRS | 1957
    Verlag: NASA National Aeronautics and Space Administration

    Wake vortex technology

    Dunham, R. E., Jr. / Barber, M. R. / Croom, D. R. | NTRS | 1978
    principles or methods by which reduction in the vortex strength can be achieved have been identified; and (3) an analytical capability for ...
    Verlag: NASA National Aeronautics and Space Administration

    Wake Vortex Interaction of Urban Air Mobility Aircraft

    Nhan Nguyen / Graeson Bartolini / Joshua Baculi et al. | NTRS
    to reduce the lift asymmetry. This in turn results in an equal lift circulation strength on the advancing side and retreating side of the ...
    Verlag: NASA National Aeronautics and Space Administration

    Vorticity associated with multiple jets in a crossflow

    Braden, S. | NTRS | 1980
    . The location and strength of these vortices depended on the multiple jet configuration and the distance downstream from the jets. ...
    Verlag: NASA National Aeronautics and Space Administration

    Vorticity associated with a jet in a cross flow

    Fearn, R. / Weston, R. P. | NTRS | 1974
    velocity field to empirical values for the strength and location of the pair of contrarotating vortices associated with the jet. ...
    Verlag: NASA National Aeronautics and Space Administration

    Vortex unwinding in a turbulent boundary layer

    Mcginley, Catherine B. / Beeler, George B. | NTRS | 1987
    alleviation. More detailed measurements of vortex strength and position improve the optimization process and increase the amount of vortex unwinding. ...
    Verlag: NASA National Aeronautics and Space Administration

    Vortex-lift roll-control device

    Lamar, J. E. | NTRS | 1979
    strength of the side edge vortex flow. Decreasing the crop angle causes opposite results, in particular the side edge is now a leading edge and can ...
    Verlag: NASA National Aeronautics and Space Administration