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

Table 8

Increase in peak derailment coefficient of outer wheels due to profile change from S1 to S3.

WDD	−1 (%)	−0.8 (%)	−0.5 (%)	−0.2 (%)	0 (%)	0.2 (%)	0.5 (%)	0.8 (%)	1 (%)
Increase	86.3	86.6	87.4	87.8	91	76.7	89.7	109.1	125.2