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
Recurrence of travelling waves in transitional pipe flow
– Springer Proceedings in Physics
(2007)
117,
82
(doi: 10.1007/978-3-540-72604-3_24)
Elliptical instabilities of stratified, hydromagnetic waves
– Geophysical & Astrophysical Fluid Dynamics
(2006)
71,
105
(doi: 10.1080/03091929308203599)
Infinite-Prandtl-number convection. Part 2. A singular limit of upper bound theory
– Journal of Fluid Mechanics
(2006)
560,
159
(doi: 10.1017/s0022112006000450)
Enhanced mobility of granular mixtures of fine and coarse particles
– Earth and Planetary Science Letters
(2006)
246,
466
(doi: 10.1016/j.epsl.2006.04.007)
Oscillatory internal shear layers in rotating and precessing flows
– Journal of Fluid Mechanics
(2006)
298,
327
(doi: 10.1017/s0022112095003338)
On the linear instability of elliptic pipe flow
– Journal of Fluid Mechanics
(2006)
316,
307
(doi: 10.1017/S0022112096000559)
Upper bounds for turbulent Couette flow incorporating the poloidal power constraint
– Journal of Fluid Mechanics
(2006)
328,
161
(doi: 10.1017/s0022112096008683)
On the viscous decay rates of inertial waves in a rotating circular cylinder
– Journal of Fluid Mechanics
(2006)
285,
203
(doi: 10.1017/S0022112095000516)
Upper bounds on the energy dissipation in turbulent precession
– Journal of Fluid Mechanics
(2006)
321,
335
(doi: 10.1017/S0022112096007756)
Tidal excitation of hydromagnetic waves and their damping in the Earth
– Journal of Fluid Mechanics
(2006)
274,
219
(doi: 10.1017/s0022112094002107)
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