Vortex Filament

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Vortex Filament

</dt>
A line along which an infinite vorticity in a fluid motion is concentrated, the surrounding fluid being free of vorticity. </dd>
In an autobarotropic frictionless fluid, a vortex line always consists of the same fluid particles; the vortex filament is, thus, a vortex line and is the limiting case of a vortex tube as the cross-sectional area of the tube shrinks to zero. [[/a>|/a>]] </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use