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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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Surface current excitation by electromagnetic and electrokinetic waves on metal cylinder immersed in uniform collisionless isotropic plasma
Plasma wind tunnel facility for producing steady flow high conductivity collisionless plasma simulating solar wind interaction with magnetosphere
Collisionless plasma heating by random magnetic fields using simple betatron model
Alfven, fast and slow magnetoacoustic and entropy hydromagnetic wave propagation in anisotropic collisionless magnetoplasma
Wave-particle interactions are fundamental to all collisionless plasmas, from the instabilitites generating the waves to the resonant interactions which cause pitch-angle scattering, particle energy diffusion and cross-field diffusion of particles.
Radio noise generation due to plasma oscillations, using the collisionless boltzmann equation
Problem of collisionless, fully ionized single component plasma treated by means of Green function
Interplanetary Monitoring Platform magnetic field experiment - interpretation of data on magnetospheric boundary and collisionless magnetohydrodynamic shock waves
Amplitude dependent frequency and wave number shifts for nonlinear wave propagation in collisionless hot electron plasma, using perturbation expansion
Earth magnetic field at more than 7 Earth-radii measured by Imp satellite, noting topology, magnetic tail and position of collisionless bow shock wave
Earth magnetic field at more than 7 Earth-radii measured by Imp satellite noting topology, magnetic tail and position of collisionless bow shock wave
Resonant oscillation decay excited by pulsed dipole in collisionless plasma
IMP-1 measurements of interplanetary magnetic field, magnetosphere boundary, and collisionless magnetohydrodynamic shock wave associated with solar wind interaction with geomagnetic field
The subject of this dissertation is the numerical integration of the initial-value problem for the non-linear Vlasov equation. The Vlasov equation is used to describe the dynamics of a "collisionless", one-dimensional, classical electron gas confined between two perfectly reflecting boundaries. Only the long-range Coulomb interactions of the electrons are considered; effects associated with the discrete structure are neglected. The numerical results obtained for non-linear Landau damping compare well with similar results obtained by Knorr. A general statement of the results on stable initial conditions is: As the degree of non-linearity of the initial conditions is increased, the deviation from linear Landau damping appears sooner and is more severe. In some cases damping was observed to cease. Curves showing the time dependence of the damping decrement are derived and compared with predictions of non-linear theories. New results obtained in this study include the observation that for strongly non-linear cases, the damping of the electric field causes an initially Maxwellian fo (v, O) to develop a peak in the neighborhood of the phase velocity; strong growth of the second harmonic is seen after fo (v, t) develops such a peak. Also new in this study is the interpretation of the development of a certain class of strongly unstable initial conditions as approaching an inhomogeneous equilibrium.
Frequency and collisionless damping rate of electronic resonances of one-dimensional plasma in potential distribution
Collisional transition between lower atmosphere and collisionless exosphere analyzed, using integral formulation of Boltzmann equation and collision models
Ion pressure theory to describe steady state collisionless discharge
Detection and measurement techniques for collisionless MHD shock wave propagation in interplanetary space, using bistatic-radar Earth- to-spacecraft transmissions