High temperatures appear in the contacting surfaces of a single-disc clutch system (friction clutch disc, flywheel and pressure plate) due to the relative motion between these parts during the sliding period. These high temperatures are responsible for several disadvantages such as increasing wear rate, surface cracks and permanent distortions. In some cases, these disadvantages may lead the contacting surfaces to failure before the expected lifetime. In this work, mathematical models of the friction clutch system (single-disc clutch) were built to find the temperature field during the sliding period (single engagement). Analysis has been completed using developed axisymmetric models to simulate the friction clutch system during the engagement. The surface temperatures are found based on uniform pressure and uniform wear assumptions.
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The high thermal stresses generated at the interface between the contacting surfaces due to the sliding between parts of sliding system such as friction clutches and brakes. In this work, pin-on-disc test rig was built to find the temperature field during the sliding operation using experimental and numerical approaches. In the experimental approach, infrared camera was used to find the temperature distribution, while in the numerical approach a finite element technique has been used. Analysis has been completed using three-dimensional model to simulate a pin-on-disc system. The numerical results have shown a good agreement compared with the experimental results.