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Short pitch rail corrugation on tangent track has been a problem for railways for more than a century.
Growth of railhead roughness (irregularities, waviness) is predicted through numerical simulation of dynamic train track interaction on tangent track.
The new designed profile can reduce wheel flange wear and rail gauge corner wear, while meeting the safety requirement of vehicle running performance on tangent track.
The effects of the admittance function and of the stochastic approach in the definition of aerodynamic forces and of the corresponding CWCs are then analysed in terms for a specific case (assigned reference train, flat ground scenario, tangent track running).
Thanks to a special device mounted under the axle box comprising a microphone and a windshield, it has been possible to measure the wheel noise continuously up to 300 km/h in tangent track and in curves.
After the profile optimization of the wheelset, the maximum normal pressure of the wheel/rail is greatly lowered when the vehicle runs on the tangent track, and the wear index of the wheel/rail is largely reduced without sacrificing the dynamic performance of the wheelset.
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Using the linear creep model, this paper derives the governing differential equations of motion for a truck moving on tangent tracks.
An unsuspended wheelset with an induced hunting motion moving on flexible and rigid tangent tracks and a vehicle model are simulated using rail defects as excitations sources such that the performance of this procedure using a fully 3D contact algorithm is shown and analyzed.
showed that the wheelset lateral force would vary with coupler compression and rotation when the electric brake was operated on a tangent or curved track.
Kraft tends to go off on tangents and lose track of what he's saying.
To determine the angle between Abp1 trajectories and the yeast cell surface, we determined the closest membrane tangent for each Abp1 track, using a binary mask of the yeast cell in which the trajectory was acquired.
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