a. Determine the maximum resistive force experienced by the vehicle when it tr...
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a. Determine the maximum resistive force experienced by the vehicle when it travels at a speed of 100 km/h with a tailwind of 3 m/s
b. Determine the required tractive force for it to travel with a constant acceleration of 3.8 m/s2 from 0 to its top speed of 160 km/h on a flat ground without any headwind or tailwind.
If the electric vehicle has the following specificationsParameters | Value |
Drag coefficient (CD) | 0.32 |
Rolling coefficient (CR) | 0.012 |
Vehicle mass | 1,800 kg |
Vehicle width | 1.7 m |
Vehicle height | 1.4 m |
Vehicle length | 4.6 m |
0 – 100 km/h | 9 seconds |
Road load coefficients A B C |
140 N 2.1 N/ms-1 0.4 N/m2s-2 |
Vehicle frontal area | 2.1 m2 |
Wheel radius | 0.33 m |
Air density | 1.2 kg/m3 |
Earth gravity | 9.81 m/s2 |