Petru BRÂNZAS


17-24 SPORIREA SIGURANłEI RUTIERE PRIN ÎMBUNĂTĂłIREA CALITĂłILOR DE FRÂNARE ALE AUTOMOBILELOR

BRAKING CAPACITY IMPROVEMENTS
CONTRIBUTING TO ROAD SAFETY
Raising the automobile speed leads to higher energies to be
consumed by the braking system. The thermal proprieties of different brake
discs have been studied in different traffic situations, like speed and road
declivities. The study demonstrates that aluminum alloy discs have the best
thermal and thus the best friction characteristics.
Cuvinte cheie: automobil, sistem de frânare, disc autoventilat

24 SPORIREA SIGURANłEI RUTIERE PRIN


17-23 RECONSTRUCłIA ACCIDENTELOR RUTIERE MOTOCICLETĂ-AUTOMOBIL

MOTORCYCLE TO AUTOMOBILE ACCIDENT
RECONSTRUCTION
The impact possibilities on different angles between a motorcycle and
an automobile have been cinematically studied before, during and after the
impact. Diagrams of the trajectories, height, speed and sliding space and time,
during and after the impact, of the motorcycle driver have been drawn, based
on his motion equations. The general mathematical model proposed can be
used to reconstruct any particular impact case.
Cuvinte cheie: motocicletă, automobil, accident rutier

23 RECONSTRUCłIA ACCIDENTELOR RUTIERE