Brakes being major component in automobiles requires at most attention and advances for road safety. When brakes are applied heat is generated. This heat has to be dissipated very fast to maintain a constant temperature of the brake disc. Maintaining a constant temperature minimizing the thermal fatigue of the brake disc material. Against this background, thermal analysis of various areas and materials of disc brakes is carried out using commercial Ansys Finite volume based CFD Solver the domain is a brake disc of all-terrain vehicle with three materials namely; Grey cast Iron, Aluminum and High speed steel. In addition, the surfaces of the disc were also modified of each disc material by creating various shape hole such as circular, elliptical, oblique-circular , oblique-elliptical, and vanes vents on the surface of disc.
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