
Career
- 2017- date: DAMTP, Cambridge University
- 1996-2017: Mathematics, Bristol University
- 1992-1996: Mathematics, Newcastle University
- 1992 : PhD, MIT
Research
General fluid mechanics: the Navier-Stokes equations (nonlinear dynamics, transition and turbulence); geophysical and astrophysical fluid mechanics (e.g. convection; stably stratified flows; tidal, precessional and librational motion of planetary interiors and subsurface oceans; accretion disks);
Selected Publications
- see homepage (www.damtp.cam.ac.uk/user/rrk26)
Publications
Upper bounds for turbulent Couette flow incorporating the poloidal power constraint
– Journal of Fluid Mechanics
(2006)
328,
161
(doi: 10.1017/S0022112096008683)
Oscillatory internal shear layers in rotating and precessing flows
– Journal of Fluid Mechanics
(2006)
298,
327
(doi: 10.1017/s0022112095003338)
On the viscous decay rates of inertial waves in a rotating circular cylinder
– Journal of Fluid Mechanics
(2006)
285,
203
(doi: 10.1017/s0022112095000516)
On the linear instability of elliptic pipe flow
– Journal of Fluid Mechanics
(2006)
316,
307
(doi: 10.1017/s0022112096000559)
Tidal excitation of hydromagnetic waves and their damping in the Earth
– Journal of Fluid Mechanics
(2006)
274,
219
(doi: 10.1017/S0022112094002107)
Granular collapse in two dimensions
– Journal of Fluid Mechanics
(2005)
538,
399
(doi: 10.1017/s0022112005005537)
Recent progress in understanding the transition to turbulence in a pipe
– Nonlinearity
(2005)
18,
r17
(doi: 10.1088/0951-7715/18/6/r01)
Dam break with Coulomb friction: A model for granular slumping?
– Physics of Fluids
(2005)
17,
057101
(doi: 10.1063/1.1870592)
A friction factor bound for transitional pipe flow
– Physics of Fluids
(2004)
17,
011706
(doi: 10.1063/1.1828103)
Bounds on horizontal convection
– Journal of Fluid Mechanics
(2004)
517,
55
(doi: 10.1017/s0022112004000497)
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