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Large Eddy Simulation of the Wake Behind a Turning Ship

[+] Author Affiliations
Ibrahim Yavuz, Zeynep N. Cehreli, Ismail B. Celik, Shaoping Shi

West Virginia University, Morgantown, WV

Paper No. FEDSM2002-31272, pp. 599-604; 6 pages
doi:10.1115/FEDSM2002-31272
From:
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME

abstract

This study examines the dynamics of turbulent flow in the wake of a turning ship using the large eddy simulation (LES) technique. LES is applied in conjunction with a random flow generation (RFG) technique originally developed at West Virginia University to provide unsteady inflow boundary conditions. As the ship is turning, the effects of the Coriolis and centrifugal forces on vortical structures are included. The effects of the Coriolis force on the flow-field are assessed and a grid sensitivity study is performed. The predicted turbulence structures are analyzed and compared with the wake of a non-turning ship.

Copyright © 2002 by ASME

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