Urban light rail

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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Our references

Lille (Metro)
RATP
SIEMENS
SYTRAL