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SUMMARY:A Turbulent World (...and what happens if you spin it) - Professor
  Alexander Schekochihin (Theoretical Astrophysics and Plasma Physics\, Uni
 versity of Oxford)
DTSTART:20180131T200000Z
DTEND:20180131T210000Z
UID:TALK99619@talks.cam.ac.uk
CONTACT:Callum Jones
DESCRIPTION:I will introduce the phenomenon of turbulence and discuss wher
 e it happens (everywhere!)\, why we might care (intellectually and pragmat
 ically)\, and how to theorise about it — this will contain a very inform
 al outline of Kolmogorov’s theory of homogenous\, isotropic turbulence. 
 I will then show how these simple ideas can be extended to predict the str
 ucture of turbulence in a rotating fluid — the new physical elements bei
 ng the system’s anisotropy and its ability to support wave propagation. 
 These features turn out to be ubiquitous in natural turbulent systems\, no
 t only on Earth but also across the Universe\, whose visible contents most
 ly consist of turbulent plasma. I will touch on two rather different examp
 les: why turbulent transport affects performance of fusion devices and how
  universality of Kolmogorov turbulence helped X-ray astronomers understand
  the thermodynamics of galaxy clusters.
LOCATION:Wolfson Lecture Theatre\,  Department of Chemistry\, Lensfield Ro
 ad
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