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Swirling flow in a two-stroke marine diesel engine

Authors
Publication Date
Keywords
  • Cfd
  • Rans
  • Les
  • Swirl
  • Turbulence
  • Two-Stroke
  • Marine Diesel
Disciplines
  • Mathematics

Abstract

Computational fluid dynamic simulations are performed for the turbulent swirling flow in a scale model of a low-speed two-stroke diesel engine with a moving piston. The purpose of the work is to investigate the accuracy of different turbulence models including two-equation Reynolds- Averaged Navier-Stokes models and large eddy simulations. The numerical model represent the full three-dimensional geometry and the piston motion is modeled by compressing cells in the axial direction. The CFD predictions are compared to experimental results and a reasonable agreement is found.

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