Istrazivanja i projektovanja za privreduJournal of Applied Engineering Science

WIDENing OF STEEL TUBES AS A METHOD OF APSORPTION OF THE KINETIC ENERGY IN RAILWAY VEHICLE COLLISION


ISSN: 1451-4117

E-ISSN: 1821-31977
Volume 4 number 11, pages: 35 - 42

Krivokapic Milutin 
Institut Gosa, Belgrade, Serbia

Simic Goran 
University of Belgrade, Faculty of Mechanical Engineering, Belgrade, Serbia

One type of collision energy absorption element is considered, which works on principle of the tube widening. During plastic deformation of the steel tubes, by widening to a larger diameter by means of special cone thorn, absorbed energy will be greater then by absorber which works on principle of tube smashing. Between inner tube side and thorn a considerable friction appears, which increases widening resistance and therefore increases absorbed energy. By preliminary calculations it was got the widening ratio and dimensions of the absorption pair for application in railway vehicle applications (the tube element and the thorn). The correspondent test results are given and compared to two other energy absorption element types.

View article

1. (1991) ORE B 165 Rapport. Utrecht, No 8, Octobre, No 6, Septembre

2. Gajić, A., Krsmanović, Lj. (1994) Matematička analiza i postupci eksperimentalnih istraživanja. Beograd: Mašinski fakultet

3. Kalajdžić, M. (1988) Tehnologija mašinogradnje I. Beograd: Mašinski fakultet

4. Krivokapić, M. (2005) Istraživanje karakteristika cevnog apsorbera energije sudara šinskih vozila. Beograd: Mašinski fakultet, magistarska teza

5. Savezni zavod za standardizaciju (1993) JUS ISO 8493: Ispitivanje cevi proširivanjem koničnim utiskivačem. Beograd

6. Šotra, V. (1999) Istraživanje elemenata za apsorbciju energije pri sudaru šinskih vozila. Beograd: Mašinski fakultet, magistarska teza

7. Vol'mir, A.S. (1963) Ustojčivost' uprugih system. Moskva: Gosudarstvennoe izdatel'stvo fiziko-matematičeskoj literatury