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On computational fluid dynamics modelling of crosswind effects for high-speed rolling stock
2003 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 217, no 3, 203-226 p.Article in journal (Refereed) Published
Abstract [en]

This work addresses crosswind stability exemplified for the German Railway Deutsche Bahn AG high-speed train ICE 2. The scope of the work is to describe the flow by means of computational fluid dynamics past the leading two cars of the train for yaw angles in the range 12.2-40.0degrees. Three track formations are utilized. The basic results are the set of independent aerodynamic coefficients for the lead and subsequent cars. The results are to some extent compared with experimental data for ICE 2 and also with data obtained for the Swedish high-speed train X2000.

A numerical sensitivity study is undertaken to quantify differences in the above results dependent on the grid density and quality, turbulence model, numerical scheme, location of inlet and outlet boundaries, turbulence intensity and flow simulation software.

Place, publisher, year, edition, pages
2003. Vol. 217, no 3, 203-226 p.
Keyword [en]
crosswind stability, computational fluid dynamics, windtunnel tests, rolling-stock
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-6367DOI: 10.1243/095440903769012902ISI: 000185838600005OAI: oai:DiVA.org:kth-6367DiVA: diva2:11060
Note
QC 20110118Available from: 2006-11-21 Created: 2006-11-21 Last updated: 2017-12-14Bibliographically approved
In thesis
1. Studies of Two Aerodynamic Effects on High-Speed Trains: Crosswind Stability and Discomforting Car Body Vibrations Inside Tunnels
Open this publication in new window or tab >>Studies of Two Aerodynamic Effects on High-Speed Trains: Crosswind Stability and Discomforting Car Body Vibrations Inside Tunnels
2006 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2006. viii, 74 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2006:81
Keyword
train aerodynamics, external aerodynamics, tunnel aerodynamics, computational fluid dynamics
National Category
Vehicle Engineering
Identifiers
urn:nbn:se:kth:diva-4174 (URN)
Public defence
2006-11-23, Sal F3, KTH, Lindstedtsvägen 26, Stockholm, 10:00
Opponent
Supervisors
Note
QC 20110118Available from: 2006-11-21 Created: 2006-11-21 Last updated: 2011-01-18Bibliographically approved

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  • apa
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Output format
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