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Interaction of an obliquely rising vortex ring with a free surface in a viscous fluid - MaRDI portal

Interaction of an obliquely rising vortex ring with a free surface in a viscous fluid (Q1370148)

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scientific article; zbMATH DE number 1077906
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English
Interaction of an obliquely rising vortex ring with a free surface in a viscous fluid
scientific article; zbMATH DE number 1077906

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    Interaction of an obliquely rising vortex ring with a free surface in a viscous fluid (English)
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    22 July 1998
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    The authors study numerically a flow field around a vortex ring approaching a free surface. Obliquely rising vortex rings are considered implying the need for a three-dimensional code for solving (incompressible) Navier-Stokes equations. The problem is characterized by four dimensionless parameters: the angle of incidence \(\theta\) and Reynolds, Froude, and Weber numbers. A rich variety of behaviors depending primarily on \(\theta\) is revealed.
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    angle of incidence
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    reconnection
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    vortex dynamics
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