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Assessment of train-overturning risk due to strong cross-winds
KTH, Tidigare Institutioner, Farkostteknik.
KTH, Tidigare Institutioner, Farkostteknik.ORCID-id: 0000-0002-8237-5847
2004 (Engelska)Ingår i: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 218, nr 3, s. 213-223Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2004. Vol. 218, nr 3, s. 213-223
Nyckelord [en]
train, railway, overturning, risk, accident, cross-wind, side-wind, wind velocity
Nationell ämneskategori
Farkostteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-40964DOI: 10.1243/0954409042389382ISI: 000225345400003Scopus ID: 2-s2.0-9144221007OAI: oai:DiVA.org:kth-40964DiVA, id: diva2:443066
Anmärkning
QC 20110923Tillgänglig från: 2011-09-23 Skapad: 2011-09-23 Senast uppdaterad: 2017-12-08Bibliografiskt granskad

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Stichel, Sebastian

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Andersson, EvertStichel, Sebastian
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Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit
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