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ISSN オンライン: 2642-0554

LARGE EDDY SIMULATIONS OF THE TURBULENT FLOW BETWEEN A ROTATING AND A STATIONARY DISK

Magne Lygren
Division of Applied Mechanics Norwegian University of Science and Technology N-7491 Trondheim, NORWAY

Helge I. Andersson
Department of Energy and Process Engineering, Norwegian University of Science and Technology, Trondheim, Norway

要約

Large eddy simulations of the flow between a rotating and a stationary disk have been performed using a dynamic and a mixed dynamic subgrid-scale model. The simulations were compared to direct numerical simulation results. The mixed dynamic model gave better overall predictions than the dynamic model. Modifications of the mean flow three-dimensionality on the near-wall structures were also investigated. Conditional averages near strong stress-producing events led to the same conclusions regarding these modifications as studies of the flow generated by direct numerical simulation.