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1 Machine Dynamics Problems

1 2004

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Computing Simulation of Heat Generation in Loaded Tyre and its Comparation with Experimental Results

Beláková A., Slabeycius J., Rartko R., Koštial P., Vavro J.

Machine Dynamics Problems

2004

Vol. 28, No. 3

31-35

Cyclic strain of tyres leads to hysteresis loses. Long-term and repeated deformation damages tenacity of composite structure of tyre, which causes destruction of tyre. Radial personal tyres were laboratory tested on HASBACH test machine. The tyres were dynamically loaded. Changes of temperature of air in tyre were measured using thermocouples. The measurements were realized for various types of radial tyres and dependency temperature versus time for various values of internal tyre pressure and rotational velocity was measured. Suitable mathematic models were created. Parameters were determined using nonlinear regression from measured values.