1. A go-kart including driver weighs 800 lbs. During an aggressive braking event, the vehicle decelerates from 60 mph to 15 mph in 2.0 seconds to negotiate a chicane (tight pair of turns).
a) How much energy can be stored during this braking event?
b) What average power is required to achieve this braking? What is the associated deceleration rate?
c) You are considering adding a regenerative braking system to your go-kart to capture the energy from the braking event in part a). Using specific energy estimates from the Power & Energy Density slide (#15 from Energy Storage I lecture), estimate the required mass of
-A conventional flywheel system to store energy from 20 braking events
- A zinc-air battery system to store energy from 20 braking events
Comment on how much each of these systems would increase the mass of the go-kart.