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
Axisymmetric Granular Collapse: A Transient 3D Flow Test of Viscoplasticity
– Physical review letters
(2009)
102,
108305
Turbulent dynamics of pipe flow captured in a reduced model: Puff relaminarization and localized 'edge' states
– Journal of Fluid Mechanics
(2008)
619,
213
(doi: 10.1017/s0022112008004618)
Highly symmetric travelling waves in pipe flow.
– Philosophical transactions. Series A, Mathematical, physical, and engineering sciences
(2008)
367,
457
(doi: 10.1098/rsta.2008.0236)
Relative periodic orbits in transitional pipe flow
– Physics of Fluids
(2008)
20,
114102
(doi: 10.1063/1.3009874)
Transition in pipe flow: The saddle structure on the boundary of turbulence
– Journal of Fluid Mechanics
(2008)
613,
255
(doi: 10.1017/S0022112008003248)
Planar collapse of a granular column: Experiments and discrete element simulations
– Physics of Fluids
(2008)
20,
063302
(doi: 10.1063/1.2929375)
Experimental and theoretical progress in pipe flow transition
– Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
(2008)
366,
2671
(doi: 10.1098/rsta.2008.0063)
Coherent Structures in Localized and Global Pipe Turbulence
– Phys Rev Lett
(2008)
100,
124501
Asymmetric, Helical, and Mirror-Symmetric Traveling Waves in Pipe Flow
– Physical review letters
(2007)
99,
074502
Recurrence of travelling waves in transitional pipe flow
– Journal of Fluid Mechanics
(2007)
584,
69
(doi: 10.1017/s0022112007006301)
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