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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Gradient-based optimization techniques are an attractive approach to solving multidisciplinary design problems. In this work, the status of gradient-based proprotor optimizations with the VSPAERO code are described.
Horizontal gradients in the electron content of the ionosphere
Influence of free stream turbulence on the coefficient of heat transfer from plates at zero incidence, with and without a pressure gradient
Exploitation of inertial coupling in passive gravity-gradient-stabilized satellites
Solar radiation pressure influence on orbital eccentricity of gravity gradient oriented lenticular satellite
Solar radiation pressure effect on orbital eccentricity of gravity gradient oriented lenticular satellite
Dynamics of flexible gravity-gradient satellites
Large temperature gradient effect on convective heat transfer in turbulent downstream region of heated tube
Gravity gradient stabilized, lenticular satellite for passive communications
Expandable passive communication gravity gradient stabilized lenticular satellite
Gravity gradient torque effect on spin axis motion of asymmetric vehicle in precessing circular orbit of oblate earth
Resistors and thermoelectric devices for controlling temperature gradients in spacecraft structures
Concepts and typical performance estimates of gravity gradient stabilized, lenticular passive communications satellite
Solar sensor and damping coefficient measurements for gravity gradient stabilization of applications technology satellite
Gravity gradient stabilization and attitude sensing systems for applications technology satellite
Gravity gradient stabilizing boom and dampers and attitude sensor systems for applications technology satellite
Dynamic characteristics of gravity gradient stabilization and damping system
Gradient methods for optimization of dynamic system parameters by hybrid computation