Journal
MATHEMATICS
Volume 9, Issue 24, Pages -Publisher
MDPI
DOI: 10.3390/math9243191
Keywords
finite element simulation; traction power supply equipment; impedance bond; railway application; infrared monitoring
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Funding
- Publications an internal grant of the Technical University Gheorghe Asachi of Iasi (TUIASI) [GI/P 15/2021]
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This paper proposes a mathematical modeling approach to determine the permanent regime temperature of an electric contact in the railway electric traction supply system. The numerical modeling method used for determining the electric contact temperature serves as the basis for developing a finite-element thermal model. The simulation of the electric contact was validated by experimental infrared investigation, showing good synchronization between calculated, simulated, and measured temperatures.
The paper presents a mathematical modeling approach to determine the permanent regime temperature of an electric contact found in the supply system of the railway electric traction. Mathematical modeling is a basic procedure in the preliminary determination of parameters of interest in various fields of scientific analysis. The numerical modeling method used for determining the electric contact temperature represents the base for developing a finite-element thermal model. The simulation of the electric contact was verified by an experimental infrared investigation of an electric contact realized on a realistic laboratory setup. The results interpretation reveals a good synchronization between the calculated, simulated and measured temperatures.
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