Physics – Plasma Physics
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..dpppo8007h&link_type=abstract
American Physical Society, 52nd Annual Meeting of the APS Division of Plasma Physics, November 8-12, 2010, abstract #PO8.007
Physics
Plasma Physics
Scientific paper
We report the experimental observations and numerical simulations of an instability in a Couette-Taylor flow of a polymer fluid in a narrow gap between two rotating concentric cylinders with a Keplerian-like velocity profile, where the angular velocity decreases radially outward while the specific angular momentum increases radially outward. Under these conditions, the inertial Rayleigh instability and the purely elastic instability are not possible. It is proposed that this observed instability is analogous to the magnetorotational instability which plays a fundamental role in astrophysical Keplerian accretion disks.
Boldyrev Stanislav
Huynh Don
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