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pro vyhledávání: '"Centrifugal instability"'
Recently it was shown that the centrifugal instability may be important in the dynamics of astrophysical jets undergoing reconfinement by external pressure. However, these studies were limited to the case of unmagnetised flows. Here we explore the ro
Externí odkaz:
http://arxiv.org/abs/1905.11650
We study the nonlinear evolution of the centrifugal instability developing on a columnar anticyclone with a Gaussian angular velocity using a semi-linear approach. The model consists in two coupled equations: one for the linear evolution of the most
Externí odkaz:
http://arxiv.org/abs/1912.09914
Akademický článek
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Centrifugal instability, which stems from a difference between the azimuthal angular drift velocity of ions and electrons, is studied in the limit of fast rotation for which ions can rotate up to twice as fast as electrons. As the angular velocity ap
Externí odkaz:
http://arxiv.org/abs/1707.00918
Akademický článek
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A new exact solution of the hydrodynamic equations is obtained in the form of the Burgers vortex generalization (BVG)accounting for the medium rotation as a whole and linear uniform friction. The nonlinear dissipative-centrifugal instability(DCI)cond
Externí odkaz:
http://arxiv.org/abs/1710.10590
Near the central engine, many astrophysical jets are expected to rotate about their axis. Further out they are expected to go through the processes of reconfinement and recollimation. In both these cases, the flow streams along a concave surface and
Externí odkaz:
http://arxiv.org/abs/1710.01345
We present a new scenario for magnetic field amplification where an electrically conducting fluid is confined in a differentially rotating, spherical shell with thin aspect-ratio. When the angular momentum sufficiently decreases outwards, an hydrodyn
Externí odkaz:
http://arxiv.org/abs/1606.04078
Publikováno v:
Proceedings: Mathematical, Physical and Engineering Sciences, 2015 Jun 01. 471(2178), 1-16.
Externí odkaz:
http://www.jstor.org/stable/24509960
Autor:
Yim, Eunok1 (AUTHOR) eunok.yim@ladhyx.polytechnique.fr, Stegner, Alexandre1 (AUTHOR), Billant, Paul2 (AUTHOR)
Publikováno v:
Journal of Physical Oceanography. Mar2019, Vol. 49 Issue 3, p827-849. 23p.