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首页> 外文期刊>Quarterly reports of RTRI >Change in Surface Condition of Turned Wheel and Effectiveness of Lubrication against Flange Climb Derailment
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Change in Surface Condition of Turned Wheel and Effectiveness of Lubrication against Flange Climb Derailment

机译：转轮表面状况的变化和润滑对法兰爬坡脱轨的有效性

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A number of flange climb derailments have occurred in sharp curves or curves with turnouts within relatively short accumulated running distances subsequent to wheel turning. This indicates that a change in the condition of the turned wheel surface might be a factor inducing flange climbing. Through several experiments and numerical simulations, the authors investigated the relationship between the running safety of a vehicle and its wheel surface condition especially in terms of wheel/rail friction. Furthermore, lubrication just after wheel turning was proposed as a countermeasure to flange climb derailments and its effectiveness and persistence were evaluated.
机译：在车轮转向之后，许多凸缘爬升脱轨发生在尖锐的弯道或弯道在相对较短的累积行驶距离内的弯道。这表明转弯的车轮表面状况的变化可能是导致凸缘攀爬的因素。通过一些实验和数值模拟，作者研究了车辆的行驶安全性与车轮表面状况之间的关系，尤其是在轮/轨摩擦方面。此外，提出了在车轮转向后立即润滑以应对法兰爬升脱轨的措施，并评估了其有效性和持久性。

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