Answer: Vorticity of fluid is equal to the curl of the flow velocity.
It describes the local spinning motion of a continuum near some point. With the help of Vorticity, the velocity vector changes when one moves by an infinitesimal distance in a perpendicular direction to it. It is associated with flow circulation along a closed path by Stokes' theorem.
A line that is everywhere tangent to the local vorticity vector is called a vortex line or vorticity line. Vortex flux is the same everywhere along the tube as the vorticity has zero divergence. Extension of vortex line leads to intensified vorticity.
Vorticity of a Fluid is Equal to
Mathematically, the Vorticity of fluid is equal to the curl of the flow velocity. The development of the vorticity field is elucidated by the vorticity equation.
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