Dynamic interactions of tram-turnout coupling system in embedded turnout area
نویسندگان
چکیده
Embedded turnout is one of the key facilities in embedded track network modern tram systems. In this study, damping performance and stiffness an are tested on site. A multi-rigid body dynamics model a finite-element established, two models coupled based wheel-rail contact theory for area. Next, dynamic responses passing through analyzed. The results show that has favorable performance. high variable section rails at switch frog would lead to increase force. When passes turnout, vertical force reaches maximum values 106.3 35.2 kN switch, respectively; wheel derailment coefficient weight reduction rate 0.49 0.57, respectively, which within safety limit specified Standards; lateral vibration accelerations 0.38 0.71 m/s 2 , satisfying comfort requirements; wheel–rail wear work greater than frog.
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ژورنال
عنوان ژورنال: Journal of Vibroengineering
سال: 2023
ISSN: ['1392-8716', '2538-8460']
DOI: https://doi.org/10.21595/jve.2023.23203