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
Invariant recurrent solutions embedded in a turbulent two-dimensional Kolmogorov flow
– Journal of Fluid Mechanics
(2013)
722,
554
(doi: 10.1017/jfm.2013.122)
Spin-up and spin-down in a half cone: A pathological situation or not?
– Physics of Fluids
(2012)
24,
116601
(doi: 10.1063/1.4765333)
Simple invariant solutions embedded in 2D Kolmogorov turbulence
– Journal of Fluid Mechanics
(2012)
Minimal seeds for shear flow turbulence: Using nonlinear transient growth to touch the edge of chaos
– Journal of Fluid Mechanics
(2012)
702,
415
(doi: 10.1017/jfm.2012.192)
Triggering turbulence efficiently in plane Couette flow
– Journal of Fluid Mechanics
(2012)
712,
244
(doi: 10.1017/jfm.2012.417)
Variational identification of minimal seeds to trigger transition in plane Couette flow
(2011)
Exchange flow of two immiscible fluids and the principle of maximum flux
– Journal of Fluid Mechanics
(2011)
682,
132
(doi: 10.1017/jfm.2011.190)
Slug genesis in cylindrical pipe flow
– Journal of Fluid Mechanics
(2010)
663,
180
(doi: 10.1017/s0022112010003435)
Using nonlinear transient growth to construct the minimal seed for shear flow turbulence
– Physical review letters
(2010)
105,
154502
Edge states and slugs in cylindrical pipe flow.
– Mecanique Et Industries
(2010)
11,
157
(doi: 10.1051/meca/2010027)
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