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Table 3 Maximum temperature rise of brake disc friction ring and bolt in emergency braking with different initial speeds

From: Simulation Analysis and Verification of Temperature and Stress of Wheel-Mounted Brake Disc of a High-Speed Train

Initial velocity (km/h) 160 200 250 280 300 330 350
Braking time (s) 43 59 83 104 130 151 146
Maximum temperature rise of friction ring surface (℃) 217.2 303.6 357.0 404.4 397.5 455.4 554.3
Maximum temperature rise of bolt (℃) 57.4 90.8 155.6 184.5 199.0 227.8 263.4