Volume 129, Number 1, January 2020
|Number of page(s)||4|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||13 February 2020|
Instability of a vortex ring due to toroidal normal fluid flow in superfluid 4He
University of Central Florida - Orlando, FL 32816-1364, USA
Received: 5 September 2019
Accepted: 23 January 2020
Vortex rings self-propelling in superfluid 4He are shown to be driven unstable by a toroidal normal fluid flow. This instability has qualitative similarities with the Donnelly-Glaberson instability of Kelvin waves on a vortex filament driven by the normal fluid flow along the vortex filament.
PACS: 67.25.dk – Vortices and turbulence
© EPLA, 2020
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