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champ magnétique gelé

frozen in field

sciences naturelles et appliquées - iate.europa.eu

frozen magnetic field

sciences naturelles et appliquées / électronique et électrotechnique - iate.europa.eu

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Observational signatures of recollimation shocks in relativistic jets: the case of a disordered upstream magnetic field... determine what signatures of a recollimation shock are imparted into a hydrodynamic flow after crossing these shocks, for plasma with an initially completely disordered flux-frozen magnetic field....

général - core.ac.uk - PDF: clok.uclan.ac.uk

Grb 021211 as a faint analogue of grb 990123: exploring the similarities and differences in their optical afterglows... Ifthis is the case then it is possible that most of the energy of the burst is inanother form such as a frozen magnetic field, supernova ejecta, or a second jetcomponent....

PDF: arxiv.org

Role of interchange instability in flux transfer event origin... Newcolder plasma of the magnetosheath with a frozen magnetic field replaces thehotter EPL plasma, and the process of EPL formation and destruction repeatsitself.The...

PDF: doaj.org

Application of advanced computational procedures for modeling solar-wind interactions with venus: theory and computer code... The procedures, which consist of finite difference codes to determine the gasdynamic properties and a variety of special purpose codes to determine the frozen magnetic field, streamlines, contours, plots, etc....

PDF: hdl.handle.net

Development of a global 3-d magnetohydrodynamic computational model for solar wind/cometary and planetary studies... Activities described include enhancements to the present Level 1 model, development of the 3-D gas dynamic flow field solvers for the Level 2 model, and continued development of the 3-D frozen magnetic field solver for the Level 2 model

PDF: hdl.handle.net

frozen-in magnetic field

électronique et électrotechnique - iate.europa.eu

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Lessons on collisionless reconnection from quantum fluidsMagnetic reconnection in space plasmas remains a challenge in physics in that the phenomenon is associated with the breakdown of frozen-in magnetic field in a collisionless medium....

général - core.ac.uk - PDF: doaj.org

Relativistic mechanics of neutron superfluid in (magneto) elastic star crustAbstract At densities below the neutron drip threshold, a purely elastic solid model (including, if necessary, a frozen-in magnetic field) can provide an adequate description of a neutron star crust, but at higher densities it will be necessary to allow for the penetration of the solid lattice...

PDF: citeseerx.ist.psu.edu

Magnetospheric plasma boundaries: a test of the frozen-in magnetic field theoremThe notion of frozen-in magnetic field originates from H. Alfvén,...

PDF: core.ac.uk

frozen-in field

électronique et électrotechnique - iate.europa.eu

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Conservation of canonical circulation and its relation to finite hall term magnetohydrodynamics... For ideal plasmas (zero resistivity and zero viscosity) the Kelvin circulation theorem of fluid mechanics and the concept of frozen-in field lines turn out to be limiting cases of a more general concept, namely, that the canonical circulation Ssigma=[contour-integral] (msigmausigma+qsigmaA) ·dl of a...

général - core.ac.uk - PDF: authors.library.caltech.edu

On general transformations and variational principles for the magnetohydrodynamics of ideal fluids .3. stability criteria for axisymmetric flows... We then construct a general Casimir as an integral of an arbitrary function of two conserved fields, namely the vector potential of the magnetic field and the scalar field associated with the 'modified vorticity field', the additional frozen-in field introduced in Part I....

PDF: www.scopus.com

On general transformations and variational-principles for the magnetohydrodynamics of ideal fluids .1. fundamental principlesA new frozen-in field w (generalizing vorticity) is constructed for ideal magnetohydrodynamic flow....

PDF: gateway.isiknowledge.com

Three mistakes in pulsar electrodynamics... However, inspection of their mathematics reveals threemistakes: first, the relative velocity is irrelevantly replaced by thecorotation velocity; second, a hypothesis in their theory is contradictory toMaxwell's equations; and third, their theory neglected a special solution ofthe frozen-in field equation which is of particular importance for pulsarresearch....

PDF: arxiv.org

Significance of polarization charges and isomagnetic surface in magnetohydrodynamics.From the frozen-in field lines concept, a highly conducting fluid can move freely along, but not traverse to, magnetic field lines....

PDF: doaj.org