Authors: Dragan Petrović; Milan Bižić
Addresses: Faculty of Mechanical and Civil Engineering in Kraljevo, University of Kragujevac, Dositejeva 19, 36000 Kraljevo, Serbia ' Faculty of Mechanical and Civil Engineering in Kraljevo, University of Kragujevac, Dositejeva 19, 36000 Kraljevo, Serbia
Abstract: Experimental testing of the impact of railway wagons has shown that same test conditions with different types of cargo obtained different results. A theoretical model established in this paper enables determination of energy that is lost during the impact and coefficient of restitution. If inappropriate cargo is used, then it is possible to register forces that are more than 50% less than the actual values. It is necessary to determine limit values of coefficient of restitution for every type of wagon and cargo. The results of this paper may be important for improving the international regulations relating to the experimental testing of wagons.
Keywords: determination; coefficient of restitution; testing; impact; railway wagons.
International Journal of Heavy Vehicle Systems, 2018 Vol.25 No.2, pp.151 - 162
Received: 28 Mar 2016
Accepted: 10 Oct 2016
Published online: 21 Mar 2018 *