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Civil-Comp Conferences
ISSN 2753-3239 CCC: 7
PROCEEDINGS OF THE SIXTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 3.20
Aerodynamics of Freight Trains: An Open Database of Geometries for CFD Analyses L. Corniani, P. Schito and S. Bruni
Department of Mechanical Engineering, Politecnico di Milano, Italy L. Corniani, P. Schito, S. Bruni, "Aerodynamics of Freight Trains: An Open Database of Geometries for CFD Analyses", in J. Pombo, (Editor), "Proceedings of the Sixth International Conference on
Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 7, Paper 3.20, 2024, doi:10.4203/ccc.7.3.20
Keywords: train aerodynamics, freight trains, database, container, computational fluid dynamics, URANS.
Abstract
The computational investigation of freight train aerodynamics requires the production of a surface geometry of the vehicle in order to run the simulation. To address the need for efficient production of these geometries that comes with the growing employment of numerical studies in this field, a database of representative wagon and locomotive geometries is proposed in this work.
After the database is introduced, a demonstrational computational fluid dynamics study is presented, considering the geometry of a single flat wagon with a container for two different levels of detail, and the results of the simulations are compared and discussed.
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