The Kaufmann vortex, also known as the Scully model, is a mathematical model for a vortex taking account of viscosity.
[1] It uses an algebraic velocity profile.
[2] This vortex is not a solution of the Navier–Stokes equations.
[citation needed] Kaufmann and Scully's model for the velocity in the Θ direction is: The model was suggested by W. Kaufmann in 1962,[3] and later by Scully and Sullivan in 1972 at the Massachusetts Institute of Technology.
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