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A Comparison of the Numerical Simulation and Experimental Investigation of the Flow Around a High Speed Train

[+] Author Affiliations
N. Paradot, C. Talotte

SNCF, Paris Cedex, France

H. Garem, J. Delville, J.-P. Bonnet

Université de Poitiers, Poitiers, France

Paper No. FEDSM2002-31430, pp. 1055-1060; 6 pages
doi:10.1115/FEDSM2002-31430
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

Numerical simulations of the turbulent flow surrounding a high speed train are carried out at SNCF (French Railways) using the commercial code Star CD. The numerical methodology developed consists in building the complete detailed topology of a train with basic blocks. The validation of the method is done through a comparison with wind tunnel experiments. A globally good agreement is found concerning the drag estimation of a short trainset. Predictions of mean streamwise velocity and turbulent kinetic energy show the quite satisfactory capabilities of the methodology.

Copyright © 2002 by ASME

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