Turbulence cascade model for viscous vortex ring-tube reconnection
The reconnection of a vortex ring and a vortex tube in a viscous fluid with the effects of two
vortex core sizes ( σ 0= 0.12 r 0 and 0.24 r 0, where r 0 are initial ring radius) and three
initial flow configurations (left-offset, center, and right-offset) at Reynolds number ( R e Γ)
of 10 000 was investigated using a high-order vortex-in-cell method combined with a large-
eddy simulation model. For the left-offset case, a large part of the ring, slipping over the tube,
associates with a small part of the tube to establish a new vortex ring, whereas the rest of the …
vortex core sizes ( σ 0= 0.12 r 0 and 0.24 r 0, where r 0 are initial ring radius) and three
initial flow configurations (left-offset, center, and right-offset) at Reynolds number ( R e Γ)
of 10 000 was investigated using a high-order vortex-in-cell method combined with a large-
eddy simulation model. For the left-offset case, a large part of the ring, slipping over the tube,
associates with a small part of the tube to establish a new vortex ring, whereas the rest of the …
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