Rolling Resistance
Determining rolling resistance values in order to adjust the traction power of a new railway vehicle and/or infrastructure.
Tests objectives
Determine the factors increasing the resistance to forward movement of a vehicle (rolling resistance and aerodynamic drag) by measuring several parameters: Axle speed, acceleration, forces, traction current and wind speed
Tests facilities
- Load cells
- Doppler radar
- Accelerometers
- Anemometer
Testing norms
EN 14067-3 – Aerodynamics – Part 3: Aerodynamics in tunnels
EN 14067-4 – Aerodynamics – Part 4: Requirements and test procedures for aerodynamics on open track
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Lille (Metro)
RATP
SIEMENS
SYTRAL