Numerical Simulation of Taylor Vortices

The annular flow between concentric cylinders is known as Taylor-Couette flow, and when dynamic equilibrium between the radial forces and th
e radial pressure disappears, a secondary flow results from this imbalance. In this secondary flow, some  toroidal structures are formed along axial direction.

In this analysis, 3D Taylor-Couette flow has been studied solving Navier-Stokes equations using finite volume technique and a commercial CFD software Package (PHOENICS).

A cylindrical mesh with 440,000 tetrahedral elements was used for system description.


Boundary conditions play an important role for formation of Taylor-Couette flow and rotating boundary conditions were imposed on inner cylinder, the highest speed was found on the surface of the inner cylinder and a speed equal to zero on the outer cylinder.perfil vel_1

The toroidal structures appear in couple along the axial direction and spin in the same axis, but also these structures are rotating among themselves, as it is shown in the next figures.


Taylor number was varied to study the appearance of this structure known as Taylor vortex, and how it changes the vortex shape.

taylor vortex_1

Velocity profile has a sinusoidal behavior for all Taylor numbers employed in this study as it is shown below.




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