Abstract
In the estimation about curving performance of the railway vehicle, it has been pointed out that worn profiles of rail and wheel are required for modeling of contact condition between rail and wheel. In this study, "N-wheel-profile" which is designed to be similar to the worn wheel is used to create worn rail profile, considering that worn rail profile has the similar shape to that of worn wheel profile. Here, worn rail profiles are modeled both for tangent track and curved one. The characteristics of created worn profiles are examined by using effective conicity and rolling radius difference, and these worn profiles are introduced to the simulation of curving vehicle. Finally, the effect of worn rail on the curve negotiation is evaluated by using simulation results.
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