Buscar
Mostrando ítems 1-10 de 21
Kelvin-Helmholtz versus Hall magneto-shear instability in astrophysical flows
(American Physical Society, 2014-05)
We study the stability of shear flows in a fully ionized plasma. Kelvin-Helmholtz is a well-known macroscopic and ideal shear-driven instability. In sufficiently low-density plasmas, also the microscopic Hall magnetoshear ...
Persistence of a Kelvin-Helmholtz instability complex in the upper troposphere
(American Geophysical Union, 2005-07-27)
During the period of 7–14 September 1998 a multiple instrument campaign was conducted at the Jicamarca Radio Observatory (JRO) near Lima, Peru, using a 50-MHz VHF radar and radiosondes. In this paper we discuss the radar ...
Surface waves on Saturn's dawn flank magnetopause driven by the Kelvin-Helmholtz instability
(Elsevier, 2009-12)
Crossings of Saturn's magnetopause made by the Cassini spacecraft on 12, 13 and 17 March 2006 are analysed. During this period Cassini's trajectory was approximately parallel to the magnetopause boundary given by a model ...
The magnetosphere mixing layer: Observations, MHD stability, and large eddy simulations
(Institute of Physics Publishing, 2011-03)
The work is about the evolution of large vortices in the boundary layer of the terrestrial magnetopause studied by computational physics, in support of interpretive analysis of spacecraft data from an event observed on ...
Vortex formation in sheared flow driven fluctuations in nonuniform magnetized dusty gases
(American Physical SocCollege PkEUA, 1998)
A criterion for the equivalence of the Birkhoff-Rott and Euler descriptions of vortex sheet evolution
(Amer Mathematical SocProvidenceEUA, 2007)
Three-dimensional, fully adaptive simulations of phase-field fluid models
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2010)
We present an efficient numerical methodology for the 31) computation of incompressible multi-phase flows described by conservative phase-field models We focus here on the case of density matched fluids with different ...
High-resolution observations of mesospheric layers with the Jicamarca VHF Radar
(Elsevier, 2007)
We report new results from the 50-MHz Jicamarca radar in Peru (12°S, 77°W), which is able to observe backscatter from the daytime mesosphere on any given day. Since 2005, the radar has been operated in a high-power MST-ISR ...
Magnetosheath for almost-aligned solar wind magnetic field and flow vectors: Wind observations across the dawnside magnetosheath at x = -12 Re
(Blackwell Publishing Ltd, 2010-08)
While there are many approximations describing the flow of the solar wind past the magnetosphere in the magnetosheath, the case of perfectly aligned (parallel or anti-parallel) interplanetary magnetic field (IMF) and solar ...
Collisional shear instability in the equatorial F region ionosphere
(American Geophysical Union, 2004-11-03)
A collisional shear instability in a magnetized plasma is described and evaluated. The instability is related to electrostatic Kelvin Helmholtz but operates in inhomogeneous plasmas in the collisional regime. Boundary value ...