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SUMMARY:MHD turbulence in shear flows and Keplerian disks – specific ani
 sotropy of nonlinear processes\, active modes\, dynamical balances and sus
 tenance - George Mamatsashvili (Copenhagen)
DTSTART:20181022T130000Z
DTEND:20181022T140000Z
UID:TALK110422@talks.cam.ac.uk
CONTACT:Dr William Béthune
DESCRIPTION:We investigate MHD turbulence in spectrally stable plane shear
  flows and Keplerian disk flows\, threaded by a non-zero azimuthal/vertica
 l net magnetic flux. In order to gain a  eeper insight into the underlying
  dynamical balances and sustaining mechanism\, we performed a set of numer
 ical  imulations in the shearing box model and based on the  imulation dat
 a\, analyzed in detail the turbulence dynamics in Fourier space. We discus
 s the application/extension of  his approach and results to the MRI-turbul
 ence in Keplerian flows with zero net magnetic flux and associated dynamo 
 action.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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