Analysis of the Impact of Frog Wear on the Wheel–Rail Dynamic Performance in Turnout Zones of Urban Rail Transit Lines

Analysis of the Impact of Frog Wear on the Wheel–Rail Dynamic Performance in Turnout Zones of Urban Rail Transit Lines

To investigate how severe wear at No. 12 turnout frogs in an urban rail transit line operating at speeds over 120 km/h on the dynamic performance of the vehicle, a vehicle–frog coupled dynamic model was established by employing the 2021 version of SIMPACK software. Profiles of No. 12 alloy steel fro...

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Bibliographic Details
Main Authors: Yanlei Li, Dongliang Zeng, Xiuqi Wei, Xiaoyu Hu, Kaiyun Wang
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Lubricants
Subjects:
urban rail transit
turnout
frog abrasion
dynamics
wheel–rail relationship
Online Access:https://www.mdpi.com/2075-4442/13/7/317
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