Purpose

To authenticate the existence and principles of the adhesion recovery phenomenon under water pollution conditions, an innovative circumferential rail–wheel adhesion test rig was used. The study conducted extensive tests on the adhesion characteristics under large sliding conditions.

Design/methodology/approach

Experiments were conducted to investigate the influence of speed, axle load and slip on adhesion recovery. Based on the experimental results, the adhesion recovery transition function was re-fitted.

Findings

The study reveals that the adhesion recovery phenomenon truly exists under water conditions. The adhesion coefficient shows an increasing trend with the growth of the slip ratio. Moreover, at the current speed and axle load levels, the adhesion recovery is directly proportional to the square of the slip ratio and inversely proportional to the axle load.

Originality/value

The phenomenon of adhesion recovery and the formulated equations in this study can serve as an experimental and theoretical foundation for the design of braking and anti-skid control algorithms for trains.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-11-2023-0379/

中文翻译：

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基于圆周试验台的附着力恢复实验研究

目的

为了验证水污染条件下粘附恢复现象的存在和原理，使用了创新的圆周轨轮粘附试验台。该研究对大滑动条件下的粘附特性进行了广泛的测试。

设计/方法论/途径

进行实验研究速度、轴重和滑移对附着力恢复的影响。根据实验结果，重新拟合了粘附恢复过渡函数。

发现

研究表明，在水条件下确实存在附着力恢复现象。随着滑移率的增大，附着系数呈现增大的趋势。此外，在当前速度和轴重水平下，附着力恢复与滑移率的平方成正比，与轴重成反比。

原创性/价值

本研究中的粘附恢复现象和公式化方程可以为列车制动和防滑控制算法的设计提供实验和理论基础。

同行评审

本文的同行评审历史记录位于：https://publons.com/publon/10.1108/ILT-11-2023-0379/