Table 2 Dynamic parameters of B- type metro train.
Parameter | Value | Unit |
|---|---|---|
Length between truck centers | 15.7 | m |
Wheelbase | 2.5 | m |
Diameter of rolling circle | 0.42 | m |
Wheelset and axle box mass | 1.86 | t |
Frame mass | 4.28 | t |
Car body mass of empty-load, fully-load and over-loaded | 21.64, 35.44, 41.20 | t |
Wheelset moment of inertia | 1.036 | t·m2 |
Frame moment of inertia | 2.486 | t·m2 |
Car body moment of inertia | 1708.23 | t·m2 |
Primary suspension stiffness | 1.07 | M·N/m |
Secondary suspension stiffness | 0.155 | M·N/m |
Stiffness of rubber layer | 30 | M·N/m |
Damping of rubber layer | 400 | kN·s/m |
