Temperaturno i naponsko stanje monoblok točka kočenog papučama u eksploataciji na jugoslovenskim prugama
Temperature and stress state of the block-braked solid wheel in operation on Yugoslav railways
Apstrakt
Termičko opterećenje monoblok točka železničkog vozila kočenog papučama je dominantno u odnosu na ostale vrste opterećenja. To opterećenje, koje je uglavnom posledica dugotrajnog kočenja na padovima u cilju održavanja brzine je osnovni uzrok pojave pukotina na površini kotrljanja točka i, kao krajnja posledica, loma točka. U radu su dati rezultati proračunske analize termičkog opterećenja monoblok točka na odabranoj karakterističnoj deonici pruge Jugoslovenskih železnica. Proračuni temperaturnih i naponskih stanja točka rađeni su pomoću metode konačnih elemenata.
Thermal load of the block-braked solid wheel railway vehicles is dominant on the other types of loads. This load, which is mainly consequence of long-term braking on downgrades for maintaining the defined constant speed purpose, is the main cause of occurrence of cracks on treads of wheel and finally fractures of wheel. The paper gives the analysis calculation results of the thermal load of the railway vehicle block-braked solid wheel on characteristic selected line on Yugoslav Railways network. Thermal analysis was done using the finite elements method, which was also used for obtaining wheel temperature and stress states in the simulated operation conditions.
Ključne reči:
thermal load / temperature and stress state / residual stresses / railway / FEM / braking / block-brakeIzvor:
FME Transactions, 2003, 31, 1, 15-20Izdavač:
- Univerzitet u Beogradu - Mašinski fakultet, Beograd
Kolekcije
Institucija/grupa
Mašinski fakultetTY - JOUR AU - Milutinović, Dušan AU - Radosavljević, Aleksandar AU - Lučanin, Vojkan PY - 2003 UR - https://machinery.mas.bg.ac.rs/handle/123456789/361 AB - Termičko opterećenje monoblok točka železničkog vozila kočenog papučama je dominantno u odnosu na ostale vrste opterećenja. To opterećenje, koje je uglavnom posledica dugotrajnog kočenja na padovima u cilju održavanja brzine je osnovni uzrok pojave pukotina na površini kotrljanja točka i, kao krajnja posledica, loma točka. U radu su dati rezultati proračunske analize termičkog opterećenja monoblok točka na odabranoj karakterističnoj deonici pruge Jugoslovenskih železnica. Proračuni temperaturnih i naponskih stanja točka rađeni su pomoću metode konačnih elemenata. AB - Thermal load of the block-braked solid wheel railway vehicles is dominant on the other types of loads. This load, which is mainly consequence of long-term braking on downgrades for maintaining the defined constant speed purpose, is the main cause of occurrence of cracks on treads of wheel and finally fractures of wheel. The paper gives the analysis calculation results of the thermal load of the railway vehicle block-braked solid wheel on characteristic selected line on Yugoslav Railways network. Thermal analysis was done using the finite elements method, which was also used for obtaining wheel temperature and stress states in the simulated operation conditions. PB - Univerzitet u Beogradu - Mašinski fakultet, Beograd T2 - FME Transactions T1 - Temperaturno i naponsko stanje monoblok točka kočenog papučama u eksploataciji na jugoslovenskim prugama T1 - Temperature and stress state of the block-braked solid wheel in operation on Yugoslav railways EP - 20 IS - 1 SP - 15 VL - 31 UR - https://hdl.handle.net/21.15107/rcub_machinery_361 ER -
@article{ author = "Milutinović, Dušan and Radosavljević, Aleksandar and Lučanin, Vojkan", year = "2003", abstract = "Termičko opterećenje monoblok točka železničkog vozila kočenog papučama je dominantno u odnosu na ostale vrste opterećenja. To opterećenje, koje je uglavnom posledica dugotrajnog kočenja na padovima u cilju održavanja brzine je osnovni uzrok pojave pukotina na površini kotrljanja točka i, kao krajnja posledica, loma točka. U radu su dati rezultati proračunske analize termičkog opterećenja monoblok točka na odabranoj karakterističnoj deonici pruge Jugoslovenskih železnica. Proračuni temperaturnih i naponskih stanja točka rađeni su pomoću metode konačnih elemenata., Thermal load of the block-braked solid wheel railway vehicles is dominant on the other types of loads. This load, which is mainly consequence of long-term braking on downgrades for maintaining the defined constant speed purpose, is the main cause of occurrence of cracks on treads of wheel and finally fractures of wheel. The paper gives the analysis calculation results of the thermal load of the railway vehicle block-braked solid wheel on characteristic selected line on Yugoslav Railways network. Thermal analysis was done using the finite elements method, which was also used for obtaining wheel temperature and stress states in the simulated operation conditions.", publisher = "Univerzitet u Beogradu - Mašinski fakultet, Beograd", journal = "FME Transactions", title = "Temperaturno i naponsko stanje monoblok točka kočenog papučama u eksploataciji na jugoslovenskim prugama, Temperature and stress state of the block-braked solid wheel in operation on Yugoslav railways", pages = "20-15", number = "1", volume = "31", url = "https://hdl.handle.net/21.15107/rcub_machinery_361" }
Milutinović, D., Radosavljević, A.,& Lučanin, V.. (2003). Temperaturno i naponsko stanje monoblok točka kočenog papučama u eksploataciji na jugoslovenskim prugama. in FME Transactions Univerzitet u Beogradu - Mašinski fakultet, Beograd., 31(1), 15-20. https://hdl.handle.net/21.15107/rcub_machinery_361
Milutinović D, Radosavljević A, Lučanin V. Temperaturno i naponsko stanje monoblok točka kočenog papučama u eksploataciji na jugoslovenskim prugama. in FME Transactions. 2003;31(1):15-20. https://hdl.handle.net/21.15107/rcub_machinery_361 .
Milutinović, Dušan, Radosavljević, Aleksandar, Lučanin, Vojkan, "Temperaturno i naponsko stanje monoblok točka kočenog papučama u eksploataciji na jugoslovenskim prugama" in FME Transactions, 31, no. 1 (2003):15-20, https://hdl.handle.net/21.15107/rcub_machinery_361 .