Manufacturing Technology 2020, 20(6):728-732 | DOI: 10.21062/mft.2020.069

Planning of a numerical experiment in order to determine the effect of operating factors on the traction-adhesion properties of locomotives

Juraj Gerlici1, Mykola Gorbunov2, Kateryna Kravchenko1, Tomáš Lack1
Juraj Gerlici1, Mykola Gorbunov2, Kateryna Kravchenko1, Tomáš Lack1
1 Faculty of Mechanical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina. Slovak Republic
2 Educational and Scientific Institute of Transport and Building, Volodymyr Dahl East Ukrainian National University, Central Avenue 59a, 93400 Sewerodonetsk. Ukraine

The paper reviews the results of an evaluation of the influence of the operating factors on traction-adhesive prop-er-ties of a locomotive. Planning of an xperiment was performed for two locomotives ?freight locomotive 2TE116 and shunting locomotive TEM103. The input for performing the numerical experiment was variation of 6 factors: the change in the wheel diameter of the first wheelset due to wear, the change in the mass of the locomotive as a result of the change in the amount of the fuel as well as the wheel rims wear, the impact of the friction damper in the primary suspension, change in the primary and secondary suspension stiffness due to operation. Regression equati-ons were obtained in code and natural form, which describe the effect of operating factors on the coeffi-cient of utilization of the locomotive adhesion mass.

Keywords: coefficient of adhesion utilization, experiment planning, regression equations

Received: May 1, 2020; Revised: August 31, 2020; Accepted: September 1, 2020; Prepublished online: December 11, 2020; Published: December 23, 2020  Show citation

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Gerlici J, Gorbunov M, Kravchenko K, Lack T. Planning of a numerical experiment in order to determine the effect of operating factors on the traction-adhesion properties of locomotives. Manufacturing Technology. 2020;20(6):728-732. doi: 10.21062/mft.2020.069.
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