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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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External, internal reaction, and angular velocity variation compensation torque requirements for orientation control of solar Brayton power system in ecliptic earth orbit
Photovoltaic solar sensor in spacecraft orientation control system
Simplified thrust vector orientation technique for establishing lunar orbits
Space orientation of rotating rocket vehicle found by solar sensor and magnetometer data
Central nervous, cardiovascular and visuomotor functions relating to spatial orientation in prolonged space flight of primate
Design of electromechanical satellite solar paddle orientation model including conservative torques and inertia of rotation axis
Human dynamic space orientation using control theory techniques
Theoretical concepts and physical model for human spatial orientation in weightless environment
Mathematical model for otolithic organs used to analyze human spatial orientation
Changes in perceived size of angle as function of orientation in frontal plane
Spatial orientation and weightlessness problems in manned space flight
Central nervous, cardiovascular, and visuomotor studies relating to spatial orientation during 30-day primate flight in Biosatellite D
Human dynamic space orientation models using control theory techniques
Working equations for dimensions and orientation of impinging propellant sheets in liquid rocket engine injectors
Longitudinal and lateral axes orientation of uniformly rotating or rapidly rotating vehicle utilizing outputs from solar sensors and lateral magnetometer
Time dependent orientation of body fixed coordinate system relative to stars for spinning rigid torque-free body
Lattice relation of cuprous sulfide formed on CdS single crystal noting precisely similar orientation
Fortran 90 is a modern language that introduces many important new features beneficial for scientific programming. We discuss our experiences in plasma particle simulation and unstructured adaptive mesh refinement on supercomputers, illustrating the features of Fortran 90 that support the object-oriented methodology.