نتایج جستجو برای: railway wheels
تعداد نتایج: 18956 فیلتر نتایج به سال:
Innovation technologies in mechanical engineering ensuring life increase of railway wheels and rails
Wear and fatigue of wheels have a great effect on the maintenance railway vehicles running safety. In case an urban where no rail lubrication system is installed, it reported that risk wheel damage high in curved sections. present study, we intended to method designing profile city trains can minimize wear sections, using multi-objective optimization method. optimization, explored design reduce...
In a context of increasing interoperability, several high speed trains, such as ICE, TGV, ETR 500, are likely to run on the same tracks, whereas they have been originally designed for specific and different railway networks. Due to different mechanical properties and structures, the dynamic behaviors, the aggressiveness of the vehicle on the track and the probabilities of exceeding security and...
The energy consumption of trains is highly efficient due to the low friction between steel wheels and rails, although the efficiency is also influenced largely by the driving strategy applied and the scheduled running times in the timetable. Optimal energy-efficient driving strategies can reduce operating costs significantly and contribute to a further increase of the sustainability of railway ...
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