Angular momentum transport in stellar interiors
Stars lose a significant amount of angular momentum between birth and death, implying that
efficient processes transporting it from the core to the surface are active. Space …
efficient processes transporting it from the core to the surface are active. Space …
High–reynolds number taylor-couette turbulence
Taylor-Couette flow, the flow between two coaxial co-or counter-rotating cylinders, is one of
the paradigmatic systems in the physics of fluids. The (dimensionless) control parameters …
the paradigmatic systems in the physics of fluids. The (dimensionless) control parameters …
Hydrodynamic turbulence cannot transport angular momentum effectively in astrophysical disks
H Ji, M Burin, E Schartman, J Goodman - Nature, 2006 - nature.com
The most efficient energy sources known in the Universe are accretion disks. Those around
black holes convert 5–40 per cent of rest-mass energy to radiation. Like water circling a …
black holes convert 5–40 per cent of rest-mass energy to radiation. Like water circling a …
Direct numerical simulation of turbulent Taylor–Couette flow
S Dong - Journal of Fluid Mechanics, 2007 - cambridge.org
We investigate the dynamical and statistical features of turbulent Taylor–Couette flow (for a
radius ratio 0.5) through three-dimensional direct numerical simulations (DNS) at Reynolds …
radius ratio 0.5) through three-dimensional direct numerical simulations (DNS) at Reynolds …
Empirical constraints on turbulence in protoplanetary accretion disks
We present arcsecond-scale Submillimeter Array observations of the CO (3–2) line emission
from the disks around the young stars HD 163296 and TW Hya at a spectral resolution of 44 …
from the disks around the young stars HD 163296 and TW Hya at a spectral resolution of 44 …
“The hydrogen atom of fluid dynamics”–introduction to the Taylor–Couette flow for soft matter scientists
The flow between concentric cylinders is routinely used in soft matter studies. In many cases,
the purpose of the setup is rheometric: the idea is to relate macroscopic changes in material …
the purpose of the setup is rheometric: the idea is to relate macroscopic changes in material …
Torque scaling in turbulent Taylor-Couette flow with co-and counterrotating cylinders
We analyze the global transport properties of turbulent Taylor-Couette flow in the strongly
turbulent regime for independently rotating outer and inner cylinders, reaching Reynolds …
turbulent regime for independently rotating outer and inner cylinders, reaching Reynolds …
Angular momentum transport in turbulent flow between independently rotating cylinders
We present measurements of the angular momentum flux (torque) in Taylor-Couette flow of
water between independently rotating cylinders for all regions of the (Ω 1, Ω 2) parameter …
water between independently rotating cylinders for all regions of the (Ω 1, Ω 2) parameter …
Optimal Taylor–Couette turbulence
DPM Van Gils, SG Huisman, S Grossmann… - Journal of fluid …, 2012 - cambridge.org
Strongly turbulent Taylor–Couette flow with independently rotating inner and outer cylinders
with a radius ratio of is experimentally studied. From global torque measurements, we …
with a radius ratio of is experimentally studied. From global torque measurements, we …
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 …