The influence of operational factors on the contact-fatigue effect of couple of wheel-rail friction in curves of small radius
Janat Musayev1 , Algazy Zhauyt2 , Yerlik Nurymov3 , Gulnar Mamatova4 , Yerzhan Adilkhanov5 , Almas Alizhan6 , Timur Chigambaev7
1, 5, 6, 7Kazakh Academy of Transport and Communications named after M. Tynyshpayev, Almaty 050012, Kazakhstan
2, 3, 4Kazakh National Research Technical University named after K. I. Satpayev, Almaty 050013, Kazakhstan
Vibroengineering PROCEDIA, Vol. 8, 2016, p. 263-268.
Received 2 July 2016; accepted 8 July 2016; published 7 October 2016
Lubrication on sharp curves has been commonly adopted as a method of reducing friction between the wheel flange and rail gauge face to minimize wear and energy consumption. Additionally, lubrication between the running surface of the low-rail and the wheel tread has recently been recognized as a significant factor in reducing the likelihood of low-rail corrugation, squealing noise and rail gauge face wear. This paper describes a friction-moderating system (FRIMOS) for the interface between the top of the low-rail and the wheel tread, consisting of a solid lubricant known as a friction moderator and a jetting device installed on the vehicle to apply the moderator to the wheel/rail interface.
Keywords: small radius, superficial contact tension, wheel-rail, assessment criterion, contact-fatigue.
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