Patterns in wall-bounded shear flows
Experiments and numerical simulations have shown that turbulence in transitional wall-
bounded shear flows frequently takes the form of long oblique bands if the domains are …
bounded shear flows frequently takes the form of long oblique bands if the domains are …
Turbulence tracks recurrent solutions
Despite a long and rich history of scientific investigation, fluid turbulence remains one of the
most challenging problems in science and engineering. One of the key outstanding …
most challenging problems in science and engineering. One of the key outstanding …
Routes to turbulence in Taylor–Couette flow
Fluid flows between rotating concentric cylinders exhibit two distinct routes to turbulence. In
flows dominated by inner-cylinder rotation, a sequence of linear instabilities leads to …
flows dominated by inner-cylinder rotation, a sequence of linear instabilities leads to …
Oblique laminar-turbulent interfaces in plane shear flows
Localized structures such as turbulent stripes and turbulent spots are typical features of
transitional wall-bounded flows in the subcritical regime. Based on an assumption for scale …
transitional wall-bounded flows in the subcritical regime. Based on an assumption for scale …
Turbulent-laminar patterns in plane Poiseuille flow
Turbulent-laminar banded patterns in plane Poiseuille flow are studied via direct numerical
simulations in a tilted and translating computational domain using a parallel version of the …
simulations in a tilted and translating computational domain using a parallel version of the …
Direct numerical simulations of local and global torque in Taylor–Couette flow up to Re= 30 000
HJ Brauckmann, B Eckhardt - Journal of Fluid Mechanics, 2013 - cambridge.org
The torque in turbulent Taylor–Couette flows for shear Reynolds numbers the torque
features a maximum for a stationary outer cylinder. In addition, the effective torque scaling …
features a maximum for a stationary outer cylinder. In addition, the effective torque scaling …
Turbulent–laminar coexistence in wall flows with Coriolis, buoyancy or Lorentz forces
Direct numerical simulations of subcritical rotating, stratified and magneto-hydrodynamic
wall-bounded flows are performed in large computational domains, focusing on parameters …
wall-bounded flows are performed in large computational domains, focusing on parameters …
Patterns and dynamics in transitional plane Couette flow
Near transition, plane Couette flow takes the form of large-scale, oblique, and statistically
steady alternating bands of turbulent and laminar flow. Properties of these flows are …
steady alternating bands of turbulent and laminar flow. Properties of these flows are …
Statistical transition to turbulence in plane channel flow
Intermittent turbulent-laminar patterns characterize the transition to turbulence in pipe, plane
Couette, and plane channel flows. The time evolution of turbulent-laminar bands in plane …
Couette, and plane channel flows. The time evolution of turbulent-laminar bands in plane …
Exact invariant solution reveals the origin of self-organized oblique turbulent-laminar stripes
Wall-bounded shear flows transitioning to turbulence may self-organize into alternating
turbulent and laminar regions forming a stripe pattern with non-trivial oblique orientation …
turbulent and laminar regions forming a stripe pattern with non-trivial oblique orientation …