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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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Gyro controlled rigid rotor dynamic stability studied for stoppable rotor operation, developing analytical expressions for determining stability boundary of constant and rotor speed gyros
Conservation laws and Liapunov stability of free rotation of rigid body about principal axes derived from kinetic energy and angular momentum
Low gravity fuel sloshing in arbitrary axisymmetric rigid tank
Low rigidity cosmic ray measurement from galactic radio background in interstellar medium
Wind tunnel characteristics of ejection seat scale model with rigid wing recovery system
Applying method for computing partial derivatives of matrices representing rigid body rotations to formulation of RTCC processor for lunar landing mission
Temperature dependence of diffusion coefficient for carbon dioxide filled rigid polyurethane foam, using Fick law
Longitudinal stability derivatives prediction for rigid and elastic airplanes, using influence coefficient method
Relative motion of two spheroidal homogeneous rigid bodies of isolated binary system, obtaining potential energy
Sound radiation from rigid flow spoilers correlated with fluctuating forces, measuring jet-pipe drag and lift components with transducers
Space erectable boom with interlocked seam, perforations and coatings to provide torsional rigidity and thermal stability
Low gravity fuel sloshing in axisymmetric rigid tank, calculating oscillations by modified Galerkin method
Pulsatile flow in circular rigid tube with and without longitudinal vibration, obtaining momentum integral solution
Applying generalized phase shift approach to rotational excitation problem to atom-rigid rotor case in first order approximation
Force separation rigid tethering device using cables
Gyroscopic control of spin rate or orientation of rigid bodies constrained to rotate about fixed axis
Calculation of rotor critical speeds for two bearing rotor system from rigid body theory using film stiffness as determined from zero speed, load eccentricity data
Approximative method for predicting motion of symmetric rigid body subjected to body-fixed force