Table 3 Collision responses of the energy-absorbing devices under different empty stroke D
From: Research on the Influence of Multiple Parameters on the Responses of a B-type Subway Train
Empty stroke D(mm) | Compression displacement (mm) | Energy absorption (kJ) | |||||
|---|---|---|---|---|---|---|---|
Collision Interface S1-M1 Semi-automatic coupler | Collision Interface S1-M1 Anti-climbers | Collision Interface M1-M2 | Collision Interface M2-M3 | Collision Interface S1-M1 | Collision Interface M1-M2 | Collision Interface M2-M3 | |
20 | 353 | 223.7 | 320.77 | 342.6 | 599.78 | 281.48 | 255.46 |
23.75 | 353 | 233.95 | 312.86 | 335.86 | 612.57 | 273.68 | 250.07 |
27.5 | 353 | 239.15 | 315.56 | 324.94 | 619.05 | 275.95 | 241.33 |
31.25 | 353 | 243.2 | 320.96 | 312.42 | 624.13 | 281.45 | 231.31 |
35 | 353 | 250 | 320.17 | 302.36 | 632.62 | 280.84 | 223.27 |
38.75 | 353 | 252.65 | 328.56 | 288.64 | 635.98 | 288.94 | 212.3 |
42.5 | 353 | 261.05 | 324.62 | 279.86 | 646.46 | 284.9 | 205.26 |
46.25 | 353 | 262.6 | 335.12 | 265.16 | 648.4 | 295.66 | 193.5 |
50 | 353 | 269.75 | 333.71 | 255.56 | 657.36 | 294.08 | 185.84 |
Relative change (%) | – | 20.59 | 4.03 | − 25.41 | 9.60 | 4.48 | − 27.25 |