Research Article
The Impact of Wheel Flat on Traction Drive System of Electric Locomotives
Table 3
Parameters of track system.
| | Parameter | Value |
| | Elastic modulus of rail (N/m2) | 2.0591 × 1011 | | Torsional inertia of rail (m4) | 3.741 × 10−5 | | Rail second moment of area about Y-axis (m4) | 3.217 × 10−5 | | Rail second moment of area about Z-axis (m4) | 5.24 × 10−6 | | Rail torsional stiffness (N m/rad) | 1.9587 × 105 | | Rail mass per unit length (kg/m) | 60.64 | | Density of rail (kg/m3) | 7.86 × 103 | | Sleeper spacing (m) | 0.545 | | Effective support length of half half-sleeper (m) | 1.25 | | Sleeper width (m) | 0.273 | | Ballast mass (kg) | 660 | | Ballast density (kg/m3) | 1.75 × 103 | | Ballast stiffness (N/m) | 1.5 × 107 | | Ballast damping (N·s/m) | 5.88 × 104 | | Elastic modulus of ballast (Pa) | 1.2 × 107 |
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