Vortex line

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Related to Vortex line: Vortex filament
1.A line, within a rotating fluid, whose tangent at every point is the instantaneous axis of rotation as that point of the fluid.
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While an isolated vortex line does not fit any known concept of solution (given the singularity of the velocity), and there has been significant recent activity on the nonuniqueness of solutions of Euler (De Lellis & Szekelyhidi, and recently Isett) it is expected that the geometric assumptions made about the solution will still make it possible to find a suitable concept of solution.
99 The first fully automatic, clip fed disc blaster in the Nerf Vortex line, Featuring a removable clip that can hold up to 20 discs, an Electronic Targeting Scope accessory, a front handle to help steady your shots, and the Tactical Rail System compatible with most Vortex and Nerf N-Strike Mission Kit accessories.
99 Latest addition to the Vortex line is offered at select Target stores nationwide and at Brookstone.
The Vortex line of patent-pending dual-flow lube filters produced by Baldwin Filters, Kearney, NE, will soon be used as replacements for the Fleetguard Venturi filter line in Cummins ISM, IXS and Series 600 engines.
The company showed its Vortex line of grinders, which were originally used in the wood industry.
Chesterland, Ohio, is introducing the Vortex line of vertical insert molders, which have a QMC option and toggle clamps that require no lubrication.