The majority of studies of rail vehicle lateral dynamic response have utilized models wherein it is assumed that the loading and geomtry of the vehicles are symmetrical left and right and fore and aft. It has been observed that with use North American rail freight vehicles develop transverse wheel profiles that may be different for wheels on a given axle and that may also differ from axle to axle on a given vehicle. As the transverse wheel profiles exert a strong influence on lateral dynamic response by affecting the effective conicity and gravitational stiffness of the wheelset, models capable of having different wheel profiles on the same axle as well as on different axles were developed to investigate the stability behavior. Additionally, these models were formulated so that the effects on stability of asymmetric fore and aft loading conditions, as manifested through gravitational stiffness effects and creep coefficients, could be examined. (DePo)
Lateral stability of freight cars with axles having different wheel profiles and asymmetric loading
Querstabilitaet von Gueterwagen bei Achsen mit unterschiedlichen Radprofilen und asymmetrischer Belastung
ASME-Papers ; 1-16
1978
16 Seiten, 16 Bilder, 2 Tabellen, 20 Quellen
Aufsatz (Konferenz)
Englisch
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