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Simulations of Turbulent Flow between a Rotating and a Stationary Disk

Lygren, Magne
Doctoral thesis
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URI
http://hdl.handle.net/11250/231220
Date
2001
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  • Fakultet for ingeniørvitenskap (uspesifisert) [117]
Abstract
The main focus of this thesis is turbulent flow between a rotating and a stationary disk. The extension of the disks is assumed to be large enough to prevent the outer boundary conditions to influence the flow of the region of interest. This flow is driven by the shear between the disks, but an imbalance between centrifugal and pressure forces in the radial direction induce a radial cross-flow. The result is a complex three-dimensional flow where the direction of the mean flow varies with the axial position. Direct numerical simulations (DNS) and large eddy simulations (LES) have been used to investigate the flow. The simulations utilized a special set of quasi-periodic boundary conditions which allowed the use of a computational domain which captured only a section of the flow.
Has parts
Lygren, M; Andersson, HI. Turbulent flow between a rotating and a stationary disk. J. Fluid Mech. 426: 297-326, 2000.

Lygren, M; Andersson, HI. Near-wall structures in turbulent rotor-stator flow. Advances in turbulence VIII - Proceedings of the Eighth European Turbulence Conference, 2000.

Lygren, M; Andersson, HI. Turbulence statistics in an open-stator configuration. Physics of Fluids. 14(3): 1137-1145, 2002.

Lygren, M; Andersson, HI. Large eddy simulations of the turbulent flow between a rotating and a stationary disk. Turbulence and Shear Flow Phenomena 2, Volume II - Second International Symposium on Turbulence and Shear Flow Phenomena, 2001.

Lygren, M. Effects of Reynolds number and gap ratio on open rotor-stator flow. , 2001.

Andersson, HI; Lygren, M; Kristoffersen, R. Roll Cells in Turbulent Plane Couette Flow: Reality or Artifact?. 16th International Conference in Numerical Methods in Fluid Dynamics: 117-122, 1998.
Publisher
Fakultet for ingeniørvitenskap og teknologi
Series
Dr. ingeniøravhandling; 2001:12

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