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Combined friction induced oscillations of wheelset and track during the curving of metros and their influence on corrugation

Kurzeck, Bernhard (2010) Combined friction induced oscillations of wheelset and track during the curving of metros and their influence on corrugation. WEAR. Elsevier. doi: 10.1016/j.wear.2010.10.049. ISSN 0043-1648.

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Kurzfassung

Curving of rail vehicles is often connected with vibrations, which can be caused by rail corrugation or friction induced oscillation in the wheel/rail-contact. This paper deals with heavy vibrations at the running gear of a metro vehicle with a typical frequency of 80 Hz on curves with a radius between 50 and 200 m. Specific characteristics of the vibrations are the occurrence by passing over rails without an initial corrugation and the disappearance if the rails are wet. In the curves of the concerned network, corrugation can also be found with a corresponding wavelength on the outer rails, but the inner rails show shorter wavelengths. For a better understanding of the originating process a simulation model is set up using the commercial Multi-Body-Simulation-Software SIMPACK. The model includes the vehicle and the track. After an identification of the undetermined parameters the model shows the same behaviour as the real system. The vibration is characterized by large amplitudes of the normal force in the wheel/rail-contact. The originating mechanism and the determining parameters of the oscillation are identified. Using a simple wear law the possibility of rail corrugation originated by these vibrations can be shown with different wavelengths on the inner and outer rail as observed in the measurements.

elib-URL des Eintrags:https://elib.dlr.de/67329/
Dokumentart:Zeitschriftenbeitrag
Titel:Combined friction induced oscillations of wheelset and track during the curving of metros and their influence on corrugation
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Kurzeck, BernhardBernhard.Kurzeck (at) DLR.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2010
Erschienen in:WEAR
Referierte Publikation:Ja
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
DOI:10.1016/j.wear.2010.10.049
Verlag:Elsevier
ISSN:0043-1648
Status:veröffentlicht
Stichwörter:Rail corrugation; Wheel/rail contact; Dynamic train track interaction; Friction
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Verkehr
HGF - Programmthema:Bodengebundener Verkehr (alt)
DLR - Schwerpunkt:Verkehr
DLR - Forschungsgebiet:V BF - Bodengebundene Fahrzeuge
DLR - Teilgebiet (Projekt, Vorhaben):V - Next Generation Train (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Robotik und Mechatronik (bis 2012) > Systemdynamik und Regelungstechnik (war Entwurfsorientierte Regelungstechnik)
Hinterlegt von: Kurzeck, Bernhard
Hinterlegt am:16 Dez 2010 15:29
Letzte Änderung:10 Jan 2019 15:51

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