THE INFLUENCE OF THE COOLING ON THE DISC BRAKES TEMPERATURE INCREMENT FROM THE ASPECT OF TRAFFIC SAFETY
STOJANOVIĆ N.R. BELHOCINE A. ABDULLAH O.I. GRUJIĆ I.L.J. PETROVIĆ M.D.
January 2025Serbian Society of Heat Transfer Engineers
Thermal Science
2025#29Issue 5B3887 - 3898 pp.
Vehicle exploitation in different traffic conditions and on different terrains often requires use of the brake system, which further influences the increment of the temperature of executive organs, as well as the brake system efficiency decrement and violation of traffic safety. This paper is based exactly on this subject, and the research was conducted in the laboratory on the test rig, which simulates the quarter of the vehicle. Three different investigations were conducted for one vehicle, during which the vehicle speed and braking pressure were the same, and only variable was air-flow speed (0 km/h, 7 km/h, and 10 km/h) around the disc brake, with the aim to maintain as the lowest possible temperature in the contact of brake disc and brake pads. The obtained results show that the increment of the air-flow speed causes a longer braking distance. The conclusions made on the basis of the reviewed literature from the subject field, and their comparison with obtained results, indicate on the fact that the forced cooling is not necessary, because it was not overpassed the working temperature of disk brakes, used in this research. This paper gives insight into how the air-flow speed around the brake disc, has an inconvenient influence on the stopping distance, and also gives directions for the improvement of the traffic safety and reliability of the brake system during vehicle exploitation.
air-flow speed , braking distance , cooling , disc brake , experimental investigations
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Faculty of Enginerinig, University of Kragujevac, Kragujevac, Serbia
Department of Mechanical Engineering, University Mustapha Stambouli of Mascara, Mascara, Algeria
Department of Energy Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
College of Engineering, AlNaji University, Baghdad, Iraq
Department of Mechanics, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Faculty of Enginerinig
Department of Mechanical Engineering
Department of Energy Engineering
College of Engineering
Department of Mechanics
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