Other Definitions
vortical (dict)
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VorticalVortical means pertaining to a vortex or to vortices. In fluid dynamics, the movement of a fluid can be said to be vortical if the fluid moves around in a circle, or in a helix, or if it tends to spin around some axis. Such motion can also be called solenoidal. Vortical movement is characterized by non-zero curl: -
where v is the velocity vector field of the fluid. The curl of the velocity (at a specified point of the vector field) yields a vector which points in the direction around which the fluid is rotating. See also Further reading - Ting, L., "Viscous vortical flows" (Lecture notes in physics). Springer-Verlag 1991. ISBN 3540537139
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