... method, as shown in Figure 2(b) and (c) . Figure 2 Wheel-rail contact geometry characteristics Subway wheels Friction coefficient Wheel profile wear Dynamic performance Wheel wear is an inevitable problem in the operation of railroad vehicles. Profile wear changes...

... were obtained. The effect of foil and bearing structure parameters on the static and dynamic performance under different taper error cases was analyzed. Moreover, a test on the air compressor supported by GFCBs was conducted to verify the practicability. Findings The taper error has a largely...