Out-of-roundness in railway wheels, in particular polygonal wear resulting in regular, multi-
lobed, out-of-round wheels, has become a significant problem in recent years. It is of …

Wear problems of wheel/rail systems occurring on the Chinese high-speed railway network
in the last decade are summarized and explained together with the corresponding …

The problem of train wheel out-of-roundness (OOR) negatively affects both humans and the
vehicle-track system, incl. reduced passenger comfort, rapid aging of vehicle/track …

The polygonal wear of train wheels is common. It increases the wheel-rail interaction force
drastically and adversely affects the safety and comfort of the train. The mechanism of the …

The formation mechanism of high-order (mainly 18∼ 23) polygonization of high-speed train
wheels has been debated for over a decade. Currently, researchers believe that the …

China's high-speed train experienced severe wheel polygonal wear during the last decade,
the rail localized bending modes (RLBM) were suspected to be the major contributors …

Wheelset geometric eccentricity and mass eccentricity are generally considered to be the
main reasons behind the formation of the 1st order out-of-round (OOR) wear (or eccentric …

Coil springs are widely used in the suspension systems of railway vehicles to bear loads
and isolate vibrations. Many vehicles in one metro line in China have suffered from spring …

The research on wheel–rail relationship includes the basic theoretical models and
corresponding numerical methods of wheel–rail in rolling contact, geometric parameter …

The formation cause of high-order wheel polygonization of high-speed trains is investigated.
A modelling of wheelset/track interaction based on the finite element method (FEM) is set up …