Computer simulation of gradient drift instability processes in operation Avefria. Memorandum report
Technical Report
·
OSTI ID:5460853
Numerically, equations of motion are solved for the evolution of a one-level, two-dimensional F region ionospheric plasma cloud with five different ratios of cloud to background integrated Pedersen conductivity. The simulations show that (1) physically small clouds striate due to the gradient drift instability more rapidly than large clouds, and (2) there exists a minimum striation onset time as a function of the Pedersen conductivity ratio. Observation (1) is in agreement with the rapid striation development exhibited by the physically small Avefria barium cloud releases, relative to the large Secede or STRESS type releases.
- Research Organization:
- Naval Research Lab., Washington, DC (USA)
- OSTI ID:
- 5460853
- Report Number(s):
- AD-A-077668/2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640201* -- Atmospheric Physics-- Auroral
Ionospheric
& Magetospheric Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALKALINE EARTH METALS
BARIUM
CHARGED PARTICLES
COMPUTERIZED SIMULATION
DIFFERENTIAL EQUATIONS
DRIFT INSTABILITY
ELEMENTS
EQUATIONS
EQUATIONS OF MOTION
HEAVY IONS
INSTABILITY
IONS
METALS
NORTH AMERICA
PLASMA
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
REYNOLDS NUMBER
SIMULATION
SOUTHEAST REGION
STRIATIONS
USA
Ionospheric
& Magetospheric Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALKALINE EARTH METALS
BARIUM
CHARGED PARTICLES
COMPUTERIZED SIMULATION
DIFFERENTIAL EQUATIONS
DRIFT INSTABILITY
ELEMENTS
EQUATIONS
EQUATIONS OF MOTION
HEAVY IONS
INSTABILITY
IONS
METALS
NORTH AMERICA
PLASMA
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
REYNOLDS NUMBER
SIMULATION
SOUTHEAST REGION
STRIATIONS
USA