Crossflow instability of finite Bodewadt flows: transients and spiral waves

Juan M. Lopez, F. Marques, A. M. Rubio, and M. Avila

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Meridional section	Horizontal section at z=0.05&gamma

Figure 7. Vertical velocity of a m = 32 spiral wave at Re = 6.00x10⁴.

Meridional section	Horizontal section at z=0.05&gamma

Figure 8. Vertical velocity following an impulsive change in Re from 5.00x10⁴ to 5.25x10⁴ at t = 0.

Meridional section	Horizontal section at z=0.05&gamma

Figure 9. Vertical velocity following an impulsive change in Re from 6.00x10⁴ to 6.30x10⁴ at t = 0.

Meridional section	Horizontal section at z=0.05&gamma

Figure 10. Vertical velocity of a synchronous axisymmetric state at a mean Re = 5.00x10⁴.

Meridional section	Horizontal section at z=0.05&gamma

Figure 11. Vertical velocity of a synchronous axisymmetric state at a mean Re = 6.00x10⁴, including a bifurcated spiral wave.