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Assessment of train-overturning risk due to strong cross-winds
KTH, Superseded Departments, Vehicle Engineering.
KTH, Superseded Departments, Vehicle Engineering.ORCID iD: 0000-0002-8237-5847
2004 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, Vol. 218, no 3, 213-223 p.Article in journal (Refereed) Published
Abstract [en]

This paper describes the methodology for safety assessment related to the risk of a train overturning in strong cross-winds. As an example, this methodology is applied on the high-speed line Botniabanan being built for a maximum speed of 250 km/h in the northeast coastal region of Sweden. The process starts with a systematic identification of locations along the line having a potential high risk of overturning due to cross-winds. This is followed by a cross-disciplinary study. The first step is to estimate the probabilities of wind velocity and wind directions. The next step is aerodynamic computation of overturning forces and moments acting on relevant types of train. Further, the critical overturning wind velocity is determined by a multi-body simulation technique. Finally, the overturning accident frequency is calculated. The calculated risk is compared with generally accepted risk levels in modern train operation.

Place, publisher, year, edition, pages
2004. Vol. 218, no 3, 213-223 p.
Keyword [en]
train, railway, overturning, risk, accident, cross-wind, side-wind, wind velocity
National Category
Vehicle Engineering
URN: urn:nbn:se:kth:diva-40964DOI: 10.1243/0954409042389382ISI: 000225345400003ScopusID: 2-s2.0-9144221007OAI: diva2:443066
QC 20110923Available from: 2011-09-23 Created: 2011-09-23 Last updated: 2011-09-23Bibliographically approved

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Andersson, EvertStichel, Sebastian
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