Summary
This paper describes the numerical investigations carried out by SNCF within the European TRANSAERO project in order to estimate the side wind effects on the German Inter-Regio train. A preliminary Computational Fluid Dynamics (CFD) study is undertaken with a simplified geometry, in order to define a methodology suitable for the CFD works. Then, a 3D train model submitted to a transverse meteorological wind is investigated on three reference cases: an open embankment, an embankment with a wind fence atop and an embankment with a noise barrier atop. Eventually, a parametric study concludes about the influence of the geometry and the porosity of wind barriers on the reduction of the aerodynamic rolling moment acting on the train.
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References
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© 2002 Springer-Verlag Berlin Heidelberg
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Fauchier, C., Le Dévéhat, E., Grégoire, R. (2002). Numerical study of the turbulent flow around the reduced-scale model of an Inter-Regio. In: Schulte-Werning, B., Grégoire, R., Malfatti, A., Matschke, G. (eds) TRANSAERO — A European Initiative on Transient Aerodynamics for Railway System Optimisation. Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM), vol 79. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-45854-8_6
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DOI: https://doi.org/10.1007/978-3-540-45854-8_6
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