Preliminary studies concerning the application of different braking arrangements on Italian freight trains
Preliminary studies concerning the application of different braking arrangements on Italian freight trains
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DOI：
10.1080/00423114.2010.505291
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发表时间：
2011-01-01
影响因子：
3.6
通讯作者：
Ignesti, Mirko
中科院分区：
文献类型：
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作者：
Pugi, Luca;Rindi, Andrea;Ignesti, Mirko
货车通常配备标准的 Union Internationale des Chemins de Fer 气动制动器。在长列车上，气动信号沿管道的传播和不同的制动/负载条件可能会在沿列车施加制动力时产生延迟和/或差异。这种现象可能会导致货车之间通过缓冲器和牵引装置交换较大的纵向力。特别是，Italcertifer 委员会的第 n.6 工作组（货运列车组成）已针对 LL 制动操作条件在意大利线路上行驶的货车列车上的应用进行了一些初步研究。合作伙伴在该工作组中进行了合作；然而，在本文中，注意力集中在有关佛罗伦萨大学贡献的方法和结果。由 RFI-CESIFER 协调的这项活动的结果已用于制定 RFI 的 20/07 规则（“Modifiche alla Prefazione Generale all'Orario di Servizio”），该规则修改了意大利铁路货运列车的组成标准规则，以引入和规范 LL 制动操作条件的应用。
Freight wagons are usually equipped with the standard Union Internationale des Chemins de Fer pneumatic brake. On long trains, the propagation of the pneumatic signals along the pipe and different braking/loading conditions may produce delays and/or differences in the application of the braking effort along the train. This phenomenon may cause heavy longitudinal forces exchanged between wagons through buffers and draw gear. In particular, the workgroup n.6 (freight trains composition) of the Italcertifer committee has performed some preliminary studies concerning the application of LL braking operative conditions on freight wagons trains travelling on Italian lines. Partners have cooperated in this workgroup; however, in this paper, the attention is focused on methodologies and results concerning the contribution of University of Florence. The results of this activity, coordinated by RFI-CESIFER have been used to emanate the 20/07 rule of the RFI ('Modifiche alla Prefazione Generale all'Orario di Servizio') which modify the composition criterion rules of freight trains on the Italian Railways in order to introduce and discipline the application of the LL braking operative condition.