Influence of Wheel Profile Wear Coupled with Wheel Diameter Difference on the Dynamic Performance of Subway Vehicles

Table 1

Wheel diameter difference setting.

Condition	Left wheel (outer) diameter (mm)	Right wheel (inner) diameter (mm)	WDD (mm)
1	839	840	−1
2	839.2	840	−0.8
3	839.5	840	−0.5
4	839.8	840	−0.2
5	840	840	0
6	840	839.8	0.2
7	840	839.5	0.5
8	840	839.2	0.8
9	840	839	1