1–10 of 375 hits
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    ABCD - Advanced bulkhead concept designs for launch and space vehicles.

    Bernstein, A. I. / Blumrich, J. F. | NTRS | 1968
    Low profile bulkheads for launch vehicles and spacecraft compartments to obtain structural weight reduction ...
    Publisher: AMERICAN INST. OF AERONAUTICS AND ASTRONAUTICS.

    Ablative thermal protection for space tug multipass, aerobraking entry

    Strauss, E. L. | NTRS | 1974
    be feasible and practical. To establish the minimum-weight ablative dome heat shield, trajectories involving 2 and 30 perigee passes were ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Thermodynamics And Combustion

    A case study in multi-component software development

    Sangha, Karan / Straub, Friedrich | NTRS | 1991
    multicontractor and multi-site environment within which the development took place, the development standards used and evolution of the final product ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Computer Programming And Software

    A Computational Investigation for Determining the Natural Frequencies and Damping Effects of Diaphragm-Implemented Spacecraft Propellant Tanks

    Lenahen, Brian / Bernier, Adrien / Gangadharan, Sathya et al. | NTRS | 2012
    propellant tank under a wide array of parameters and variables including fill-level, gravity and diaphragm material and shape, a better understanding ...
    Publisher: NASA National Aeronautics and Space Administration

    A Conceptual Aerospace Vehicle Structural System Modeling, Analysis and Design Process

    Mukhopadhyay, Vivek | NTRS | 2007
    scenarios are generated for analyzing several structural configurations and material alternatives. The structural stress, deflection, strain, and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Spacecraft Design, Testing And Performance

    Active control of helicopter air resonance in hover and forward flight

    Takahashi, M. D. / Friedman, P. P. | NTRS | 1988
    aerodynamics, forward flight, periodic terms, and trim solution is illustrated by numerous examples. Subsequently, the model is used in conjunction ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Design, Testing And Performance

    Active flutter suppression using trailing-edge and tab control surfaces

    Nissim, E. | NTRS | 1975
    (T.E.) and tab control surfaces. A control law is assumed which allows the T.E.-Tab system to be driven by both linear and rotational sensors ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Stability And Control

    Active-member control of precision structures

    Fanson, J. L. / Blackwood, G. H. / Chu, C. C. | NTRS | 1989
    precision truss structure. These experiments are directed toward the development of high performance structural systems as part of the Control ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Spacecraft Design, Testing And Performance

    Actuator and aerodynamic modeling for high-angle-of-attack aeroservoelasticity

    Brenner, Martin J. | NTRS | 1993
    agility enhancement at high angle of attack and low dynamic pressure, structural integration characteristics such as hinge moments, effective ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Stability And Control

    Adaptive Modeling, Engineering Analysis and Design of Advanced Aerospace Vehicles

    Mukhopadhyay, Vivek / Hsu, Su-Yuen / Mason, Brian H. et al. | NTRS | 2006
    conceptual design of advanced aerospace vehicle concepts. With demanding structural and aerodynamic performance requirements, these high fidelity ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Spacecraft Design, Testing And Performance