Design, Analysis &Optimization of Disk Brake

Mechanical Engineering

The main goals of this paper which presents the results of a thermal analysis of a braking system of two wheel vehicles using analytical and numerical modeling of thermal effects during long-term braking for maintaining a constant speed on a down-grade railroad in order to analyze damages of solid wheels braked by blocks, especially on railway .Preliminary works in this area have pointed out the problem of insufficient accuracy of the estimation coefficient. That was specifically expressed in conditions of Many research results have confirmed the dominant influence of thermal loads in regard to mechanical loads and residual stresses induced by high thermal loads in block-braked solid wheel have been registered. Therefore, it is important to determine with high precision the temperature field of the braking system, as well as to emphasize that high thermal loads, in other words, overloads, of wheel very often occur as a result of long-term braking on down-grade railroads or unwanted locking of wheels.

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