SEARCH · Engineering Papers
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
A kinetic energy absorbing device uses a series of coaxial, mating cylindrical surfaces. These surfaces have high frictional resistance to relative motion when axial impact forces are applied. The device is designed for safe deceleration of vehicles impacting on landing surfaces.
Determination of optimum trajectories leading to circular orbits
Aerodynamic characteristics of lateral control with rotatable airfoils and sweptback wing
Off-design aerodynamic characteristics of swept arrow wings with twist and camber at supersonic velocities
Subsonic and supersonic wind tunnel study of low aspect ratio sweptback wing tailless fighter aircraft model/stability and control
Aerodynamic characteristics of missiles with very low aspect ratio
Effect of boundary layer removal on total pressure recovery - circular internal compression inlets with translating centerbodies
Determination of optimum 3-dimensional trajectories to inject a saturn c-5 rocket into a space-fixed circular orbit
Application of low drag-due-to-lift concept of linearized theory to the studies of twist and camber of isolated wing and wing-body configurations of supersonic aircraft
Electric arc air heater with magnetic diffusion and water cooled copper electrodes
Magnetically rotated electric arc air heater using strong magnetic field and copper electrodes
Aerodynamic characteristics of aircraft configurations with highly swept twisted and cambered arrow wings at hypersonic speeds
Star background to reduce position error in photographic geodetic observations
Simultaneous photographs taken at different ground stations against star backgrounds used to correct measurements of objects moving in upper atmosphere
Three-part signal electrode provides capacitive feedback to an oscillator driven dynamic capacitor in an electrometer circuit.
Truncated logarithmic quantization for digital controller
Documentation of computer programs used to study load effects on multistage space vehicle systems
Equations for investigating control signal by continuous and discontinuous sign functions based on synthesis technique using Liapunov direct method