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SUMMARY:Periodic and quasiperiodic vortex shedding in the wake of a rotati
 ng sphere - Benoit Pier\, LMFA\, Ecole Central\, France
DTSTART:20150122T113000Z
DTEND:20150122T123000Z
UID:TALK57073@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Without rotation\, the wake of a sphere is governed by a singl
 e control\nparameter (the Reynolds number) and the dynamic régimes that a
 re\nselected at low and moderate values of RE are well known. Here we\ncon
 sider rotation of the sphere about an axis aligned with the outer\nflow. T
 his second control parameter (Omega) does not break the\naxisymmetry of th
 e setting but allows for a much richer bifurcation\nscenario. By investiga
 ting the relevant base flows\, studying their\nlinear stability properties
  and computing the corresponding fully\ndeveloped régimes we attempt to s
 ystematically map out a large region\nof the parameter space and to relate
  the observed behaviour to its\nnon-rotating counterpart.
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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