Swirling flow in a two-stroke marine diesel engine

Casper Schytte Hemmingsen, Kristian Mark Ingvorsen, Jens Honore Walther, Stefan Mayer

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    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.
    Original languageEnglish
    Title of host publicationProceedings of the 26th Nordic Seminar on Computational Mechanics
    EditorsA. Logg, K.A. Mardal
    Number of pages4
    Publication date2013
    Publication statusPublished - 2013
    Event26th Nordic Seminar on Computational Mechanics - Oslo, Norway
    Duration: 23 Oct 201325 Oct 2013
    Conference number: 26
    http://noacm.no/vpage/1/0/NSCM

    Conference

    Conference26th Nordic Seminar on Computational Mechanics
    Number26
    Country/TerritoryNorway
    CityOslo
    Period23/10/201325/10/2013
    Internet address

    Keywords

    • CFD
    • RANS
    • LES
    • Swirl
    • Turbulence
    • Two-stroke
    • Marine diesel

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