Accession Number : ADA216867


Title :   Active Probing of Space Plasmas


Descriptive Note : Final rept. 25 Oct 1985-30 Sep 1989


Corporate Author : NORTHEASTERN UNIV BOSTON MA


Personal Author(s) : Chan, Chang ; Silevitch, Michael B ; Villalon, Elena


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a216867.pdf


Report Date : 01 Sep 1989


Pagination or Media Count : 110


Abstract : During the course of the research period our efforts were focused on the following areas: 1) An examination of stochastic acceleration mechanisms in the ionosphere; 2) A study of nonequilibrium dynamics of the coupled magnetosphere - ionosphere system; and 3) Laboratory studies of active space experiments. Reprints include: Dynamics of charged particles in the near wake of a very negatively charged body -- Laboratory experiment and numerical simulation; Laboratory study of the electron temperature in the near wake of a conducting body; New model for auroral breakup during substorms; Substorm breakup on closed field lines; New model for substorm on sets -- The pre-breakup and triggering regimes; Model of the westward traveling surge and the generation of Pi 2 pulsations; Ionospheric electron acceleration by electromagnetic waves near regions of plasma resonances; Relativistic particle acceleration by obliquely propagating electromagnetic fields; Some consequences of intense electromagnetic wave injection into space plasmas. Keywords: Electron acceleration; Wave particle interaction; Substorm dynamics; Spacecraft interactions.


Descriptors :   *IONOSPHERE , *PLASMAS(PHYSICS) , ELECTROMAGNETIC FIELDS , REPRINTS , INJECTION , LABORATORY TESTS , SPACECRAFT , STOCHASTIC PROCESSES , SPACE ENVIRONMENTS , INTERACTIONS , DYNAMICS , ACCELERATION , NUMERICAL ANALYSIS , INTENSITY , ELECTROMAGNETIC WAVE PROPAGATION , CHARGED PARTICLES , ELECTRONS , ELECTRON ENERGY , PARTICLES , PULSES , ELECTROMAGNETIC RADIATION , RESONANCE , WAKE , NONEQUILIBRIUM FLOW , AURORAE , SURGES , NEAR FIELD , WAVES , MAGNETOSPHERE , MAGNETIC STORMS , ATMOSPHERIC PHYSICS , SPACE PROBES , MATHEMATICAL MODELS , COUPLING(INTERACTION)


Subject Categories : Atmospheric Physics
      Plasma Physics and Magnetohydrodynamics


Distribution Statement : APPROVED FOR PUBLIC RELEASE