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SUMMARY:The Rayleigh-Taylor Instability Under Rotation - Dr Matthew Scase\
 , University of Nottingham
DTSTART:20131011T120000Z
DTEND:20131011T130000Z
UID:TALK46951@talks.cam.ac.uk
CONTACT:Dr Henry Burridge
DESCRIPTION:“… rotation does not affect the instability or stability\,
  as such\, of a [two-layer] stratification” (Chandrasekhar 1961) – is 
 this true?\n\nInterest in the Rayleigh-Taylor Instability has increased pr
 ogressively since Lord Rayleigh's (1883) initial work and the investigatio
 ns of Taylor (1950) and Lewis (1950).  The motivation for the research has
  evolved in time\, from the purely strategic interests of Taylor and Lewis
  to include the energy-supply and astrophysical focus of more recent work.
   The now-familiar structure of the Rayleigh-Taylor Instability has been o
 bserved at small scales in inertial confinement problems\, where the insta
 bility may limit the length of stable operation of a nuclear fusion facili
 ty\, to extremely large scales\, as observed in the Crab Nebula.  Here we 
 investigate the effects of rotation upon the instability.  In particular\,
  we consider whether a statically unstable arrangement may be stabilized b
 y rotation of the system.\n\nA variational approach\, based on the work of
  Miles (1964) and Lamb (1932)\, is used to develop a number of testable pr
 edictions.  Whereas classical experiments have required the use of a lock-
 release mechanism to instigate the flow (or elaborate rocketry rigs)\, nov
 el experiments using a high-powered super-conducting magnet have been devi
 sed to test the predictions.  
LOCATION:LR3B\, Inglis Building\, CUED.
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