1987•Japanese Journal of Applied PhysicsOpen access

Flow Visualization Study on Large-Scale Vortex Ring in He II

Masahide Murakami, Masaya Hanada, Tsutomu Yamazaki

Abstract

The behavior of large-scale vortex rings in He II is studied by the application of the method of flow visualization. A vortex ring is formed by pushing a piston and the resulting flow field is visualized with neutrally buoyant hydrogen-deuterium particles as tracers. The development and the translational motion of rings are examined from sequential still pictures.

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Key concepts: Vortex ring, Vortex, Flow visualization, Flow (mathematics), Scale (ratio), Visualization, Ring (chemistry), Mechanics