Railway wheel squeal (Squeal of disk subjected to random excitation)
Railway wheel squeal (Squeal of disk subjected to random excitation)
- New search for: Nakai, M.
- New search for: Akiyama, S.
- New search for: Nakai, M.
- New search for: Akiyama, S.
As a fundamental study on the squeal of a railway wheel running on a rail with roughnesses, a rod was rubbed against the circumference of a thin stationary steel disk in its axial direction under random excitation. The disk serving as a railway wheel was clamped centrally with a free periphery. White noise excitation was applied to the disk on the assumption that external forces due to surface roughnesses of the rail are random. The measurements and analyses of the frictional vibration of the disk revealed that squeals with only a single mode occur at the low random excitation level and squeals with multiple modes occur more frequently than those with a single mode as the random excitation level increases.
Document information
Railway wheel squeal (Squeal of disk subjected to random excitation)
Kreischgeräusche von Eisenbahnrädern (Kreischen einer Scheibe unter zufälliger Anregung)
1998
8 Seiten, 10 Bilder, 8 Quellen
Article (Journal)
English
Eisenbahnrad , Schallpegel , Schallemission , Modellsimulation , Eisenbahnfahrzeuglauftechnik , theoretische Untersuchung , Rollreibung , Rauigkeit , Eisenbahnschiene , Schwingungsverhalten , Anregungszustand , Verkehrsgeräusch , Rauschen , mathematisches Modell , numerisches Verfahren , Frequenzspektrum , Lösung (Ergebnis) , Stabilitätskriterium , Zeitreihenanalyse , Reibkraft , Schallemissionsanalyse , Modellversuch , weißes Rauschen , Schwingungsanalyse
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