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The influence of the noise with different spectra on the stability of the flows with rotation
Zhilenko D. Yu.
1, Krivonosova O.E.
1
1Institute of Mechanics, Lomonosov Moscow State University, Moscow, Russia
Email: jilenko@imec.msu.ru
The effect of two types of noise with different spectra on the stability of viscous incompressible fluid flows in a rotating spherical layer is studied numerically. The noise is introduced into the flow by adding time random fluctuations with zero mean value to the constant mean rotational velocity of the inner sphere. The instability in the form of Taylor vortices is considered. It is found that, for equal amplitudes, different values of the stability limit correspond to distinct noise spectra. Keywords: noise, instability control, spherical Couette flow.
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