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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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One-piece transparent helmet shell made of polycarbonate is equipped with a helmet protection pad, a visor assembly, a communications skull cap, and an emergency oxygen supply. This design offers improvements over previous designs in weight, visual field, comfort and protection.
Stress analysis of edge loaded, axisymmetric shells of revolution with Gaussian curvature - structural dynamics
Dynamic response of thin spherical shells - structural dynamics
Adiabatic invariant trapped radiation shells and cosmic ray cutoff magnetosphere models distorted by solar wind
Finite element solution for natural frequencies and mode shapes of free axisymmetrical vibrations and dynamic response of arbitrary rotationally symmetric shells
Natural frequencies and normal modes for free vibrations of flat spinning annular and centrifugally stabilized disk and shell structures
Magnetic shell enhancements during magnetic field disturbances from Langmuir probe observations of electron density on Ariel I satellite
K-shell photon absorption spectrum of neon gas
New inner-shell resonance lines in highly ionized sulfur and chlorine from high-energy theta-pinch plasma light source
Reissner variational formulation of temperature distribution boundary value problem of axisymmetric thermal stresses in isotropic sandwich shells of revolution
Composite structures of glass-fiber reinforced resin and other materials for launch shell structures
Computer program to calculate geomagnetically trapped particle shell model, drift rate, and bounce paths
Incremental procedure for solution of nonlinear problems with applications to plates and shells
Determination of moments, forces per unit length, and displacements characterizing state of stress and strain in two-dimensional helicoidal shell of uniform thickness
Integral stress function for state of membrane stress in shells of revolution formed by second- order surface
Membrane stresses in elliptical shells of revolution with several cuts
Semimembrane nonlinear theory applied to prismatic shells with finite number of thin rectangular plates
Stress concentration around curvilinear holes in plates and shell, conformal mapping and other procedures for mathematical problems, and dynamic problems in bodies weakened by holes