On the accuracy of the assessment of open-air pressure loads due to passing trains: Part 1: Experimental assessment

Passing trains generate aerodynamic loads (‘open-air pressure pulses’) that cause fatigue on wayside objects and other trains. The European regulatory framework requires, for every rolling stock type, type tests in which the peak-to-peak pressure changes caused by passing trains are measured close t...

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Veröffentlicht in:Proceedings of the Institution of Mechanical Engineers. Part F, Journal of rail and rapid transit Journal of rail and rapid transit, 2015-08, Vol.229 (6), p.644-656
Hauptverfasser: Licciardello, Riccardo, Grappein, Etienne, Rueter, Arnd
Format: Artikel
Sprache:eng
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Zusammenfassung:Passing trains generate aerodynamic loads (‘open-air pressure pulses’) that cause fatigue on wayside objects and other trains. The European regulatory framework requires, for every rolling stock type, type tests in which the peak-to-peak pressure changes caused by passing trains are measured close to the track over a range of heights. These measurements are subsequently corrected and processed so as to obtain an assessment value, which is then compared with a limit value. The assessment value is characterized by uncertainty. In this paper, we provide quantitative indicators of such uncertainty based on work carried out in the European FP7 project AeroTRAIN.
ISSN:0954-4097
2041-3017
DOI:10.1177/0954409715577850