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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Multiphonon orbit-lattice relaxation of excited states of rare earth ions in crystals, measuring fluorescence lifetimes, quantum efficiencies and transition rates
Shock front structure in radiative relaxation region in atomic H, calculating Lyman continuum effects
Automatic determination of relaxation and retardation spectra for linearly viscoelastic materials from experimental data using simple numerical techniques
Tension stress and shearing strain vs time for simultaneous stress relaxation and creep in polyurethane
Multiphonon orbit lattice relaxation of excited states of rare earth ions in crystals, using results to design quantum electronic devices
Vacancy relaxations in bcc crystals using energy dependence on radial displacements from defect of nearest neighbor sets, discussing crystal size and shape
Proton spin-lattice relaxation time in dilute liquid and gas solutions of orthohydrogen in parahydrogen, noting dependence on temperature, density and composition
Interfacial charge relaxation overstability in tangential electrical field, discussing electromechanical polarization surface waves propagation and dielectrophoretic orientation of liquids in zero gravity space
Vibrational relaxation times in pure O and in O with methane impurity determined with acoustic absorption measurements
Tension stress and shearing strain vs time for simultaneous stress relaxation and creep in polyurethane
Love wave amplitude data satisfying earth model with intrinsic internal friction at depths assumed due to single thermally activated relaxation
Monte Carlo relaxation method for physically self consistent model stellar atmospheres, discussing stability, accuracy and convergence of solution
Dynamic Kerr observations of high speed flux reversal and relaxation process in permalloy thin films by magnetooptical camera with Q switched ruby laser
Electron spin memory in optical pumping cycle of potassium halides F centers, measuring relaxed excited state g factors and spin resonance line widths
Response and optimization of isolation system with relaxation type damping
Inviscid hypersonic flow of chemically relaxing air about pointed circular cones
Thermochemical relaxation influence on shock heated plasma gases via heat transfer experiments on ionized Ar, molecular nitrogen and carbon dioxide
Models of partially relaxed stellar disks in galaxies, discussing gravitational instability and stellar velocities