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.
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Investigation of periodic nature of Jupiter bursts to determine correlation with position of satellite IO and central meridian of longitude of Jupiter
Digital period detector oscilloscope trigger for multitrace display
Averaging technique using Jacobi elliptic functions for solving nonlinear differential equations with periodic nonharmonic solutions
Measuring system for linear readout of both periodic and aperiodic mechanical displacements over broad frequency range
Steady state motion equations of multiple unit impact damper attached to periodically excited primary system, developing solution for mathematical model
Hydrogen-oxygen induction period kinetics behind shock waves, monitoring OH concentration by UV line absorption method
Periodic orbits representation in trigonometric series with numerical coefficients and truncation for applications
Periodic orbit families in planar Pythagorean three body problem
Long period comets orbital orientations and perihelion distances, discussing Oort evolutionary theory modification
Equilibrium points and periodic orbits, using qualitative theory of autonomous functional differential equations
Hafnium droplets burning in ultrapure oxygen at various pressures, considering combustion induced natural mode periodic oscillations
Galactic cosmic ray solar modulation with 20 year periodicity, suggesting nearby galactic magnetic field direction
Jupiter magnetospheric rotation period based on RF observations
Almost periodic solutions of two nonlinear Volterra integral equations
Axisymmetric wake diffusion flame response to HF periodic velocity oscillations at combustor boundaries
Periodic comets Giacobini-Ziner and Borrelly motions, determining orbits with nonNewtonian motion equations and three orthogonal nongravitational terms
Individual M-type red supergiants luminosity, masses and periodicities based on cluster membership and pulsational Q value
Binary periodic convolutional codes with lower bound everywhere stronger than Wagner on definite decoding minimum distance