Scientific paper ID 1941 : 2020/3

Dragan Petrović

When two wagons collide or when the wagons change the tempo of moving (starting, stopping, braking) there are longitudinal forces and accelerations that affect the stress-strain state of the supporting structures of the wagon. These loads can cause stress and strain of such magnitude to constitute a risk to the support structure of the wagons, and therefore for passengers and cargo. This paper is a continuation of research that has been implemented in the Wagon Factory of Kraljevo and the Faculty of Mechanical Engineering & Construction in Kraljevo, and it is focused on an accurate analysis of the collision of two vehicles. Additionally, the theoretical equations of wagon collision are numerically solved and the results are compared with experimental ones. Comparative analysis of analytical, numerical and experimental results of wagons collision has shown satisfactory agreement. In that way, the adopted analytical model can be used for determining the dynamic parameters of the collision in the design of new wagons structures.

динамични параметри удар между вагони буферни сили.Dynamic parameters Wagons impact Buffer forcesDragan Petrović


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