Harmonically forced enclosed swirling flow

Y. D. Cui, Juan M. Lopez, T. T. Lim and F. Marques

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ω_f =0.05	ω_f =0.12	ω_f =0.171	ω_f =0.20	ω_f =0.22	ω_f =0.25	ω_f =0.50

Figure 5. Dye visualization at various ω_f , all at Re=2600, H/R=2.5, and A=0.01.

ω_f =0.010	ω_f =0.171	ω_f =0.200	ω_f =0.500

Figure 8. Movies of the streamfunction at various ω_f , all at Re=2600, H/R=2.5, and A=0.01.
(Note that the frame rate has been normalized by the period)

&omega_f =0.010	&omega_f =0.171	&omega_f =0.200	&omega_f =0.500

Figure 9. Movies of the relative azimuthal vorticity at various ω_f , all at Re=2600, H/R=2.5, and A=0.01.
(Note that the frame rate has been normalized by the period)

Re=2800, A=0	Re=2600, A=0.01, ω_f =0.171

Figure 10. Movies of the relative azimuthal vorticity (in the left panel, it is the instantaneous minus the time-averaged value, and in the right it is the instantaneous minus the steady value at A=0).

ω_f =0.01	ω_f =0.1	ω_f =0.2

ω_f =0.3	ω_f =0.4	ω_f =0.5

Figure 11. Movies of the relative azimuthal vorticity at various &omega_f, all at Re=800, H/R=2.5, and A=0.01.
(Note that the frame rate is normalized by the period).