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- W857991273 abstract "A large eddy simulation of an enclosed annular rotor stator cavity is presented. Thegeometry is characterized by a large aspect ratio G = (b-a)/h = 18.32 and a small radiusratio a/b = 0.152, where a and b are the inner and outer radii of the rotating disk and h isthe interdisk spacing. The rotation rate o under consideration is equivalent to the rotationalReynolds number Re = o b 2 /n= 9.5x10 4 , where n is the kinematic viscosity.The main objective of this study is to correctly simulate the rotor stator cavity using a loworder numerical scheme on unstructured grids. The numerical simulations were run on thesoftware AVBP developed by the Centre Europeen de Recherche et de Formation Avancee en Calcul Scientific . The results were compared to the experimental results obtained by Sebastien Poncet of Universit e Aix-Marseille. Two large eddy simulations techniques were used: the Smagorinsky and Wall-adapting local eddy-viscosity models. The simulations were run on three set of grids, each with a different cell resolution-14, 35 and 50- along the thickness of the system. Results from each mesh show a good qualitative agreement of the mean velocity field with Poncet's experimental results. It was found that the Samgorinsky model to be more appropriate for this configuration." @default.
- W857991273 created "2016-06-24" @default.
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- W857991273 date "2014-01-01" @default.
- W857991273 modified "2023-09-26" @default.
- W857991273 title "Numerical simulation of a closed rotor-stator system using Large Eddy Simulation - eScholarship" @default.
- W857991273 hasPublicationYear "2014" @default.
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