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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-1774
DTSTART:20100212T220000Z
DURATION:PT1H0M0S
DTSTAMP:20260428T165342Z
LAST-MODIFIED:20100208T185213Z
LOCATION:2241 Chamberlin Hall (coffee at 3:30 pm)
SUMMARY:Magnetohydrodynamic Turbulence\, Physics Department Colloquium
 \, Stanislav Boldyrev\, University of Wisconsin\, Department of Physic
 s
DESCRIPTION:Magnetic fields are ubiquitous in the universe. Their inte
 raction with an electrically conducting fluid gives rise to a complex 
 system - a magnetofluid - whose dynamics is quite distinct from that o
 f either a non conducting fluid\, or that of a magnetic field in a vac
 uum. The scales of these interactions vary in nature from meters to me
 gaparsecs and in most situations\, the dissipative processes occur on 
 small enough scales that the resulting flows are turbulent.<br>
\n<br>
 
\nThere are significant differences between regular fluid turbulence 
 and magnetohydrodynamic turbulence. We are constantly immersed in regu
 lar turbulence. We have a direct experience of it in our everyday life
 . Thus our development of models and theories of regular turbulence is
  strongly guided by experimental data and intuitions. Not so for magne
 tohydrodynamic (MHD) turbulence. Even though MHD turbulence is very wi
 despread in the universe\, we have practically no direct experience of
  it in our daily pursuits. Rather\, we have to rely on numerical simul
 ations and\, to a lesser extent\, observations and experiments. The pu
 rpose of this talk is to discuss what is currently known about the pro
 perties of magnetohydrodynamic turbulence.
URL:https://www.physics.wisc.edu/events/?id=1774
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