Experimental Study of Brake System in Light Vehicles
Timur Choban Khidir, Abbas Mohammed Ismael
ABSTRACT: In this experimental study, effect of increasing in brake disc temperature on braking performance was investigated. For this purpose, braking distance tests which the criteria of braking performance were carried out. The tests were conducted on a small-size commercial vehicle for different disc temperatures, pedal forces, the vehicle loads and for initial vehicle speeds. Test results of stopping (braking) distance were analyzed for the variation of disc temperatures. The results showed that the stopping distance is considerable increased when the disc temperature is increased for different vehicle speed and pedal forces. Typically, at the vehicle speed of 80 km/h and maximum pedal force for 63 ºC disc temperature, 44.90 m stopping distance was measured. When the temperature is increased as 298 ºC, stopping distance is increased as 52.71 m with the rate of 17.4% at road test.
Keywords : Brake system; Pedal force; Heating brake discs; Commercial vehicle.