Low Rolling Resistance Tires and Their Impact on Electric Vehicles

Anil Kumar Jaswal; Rajasekhar Madhurakavi; Pradeep Chandrasekaran

doi:10.4271/2017-28-1941

This paper details the methodology used to show the importance of Low rolling resistance tires in Electric Vehicles. Fuel efficiency and range is paramount with most of the electric vehicle buyers. Although many people are now becoming aware of low rolling resistance tires but its development started way back in 1990’s.

It is always challenging to achieve low rolling resistance in smaller tires of size 12 inch or 13 inch along meeting the other critical vehicle parameters such as ride and handling, NVH, durability and many more.

The reduction in rolling resistance can also affect the traction properties of tires. In case of very low rolling resistance tires the traction will be very less but it can badly affect the other vehicle parameters. Selection of tires further depend upon the RWUP (Real World Usage Profile). It means the vehicle is targeted for which region and what is the condition of roads there.

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Low Rolling Resistance Tires and Their Impact on Electric Vehicles 2017-28-1941

SAE MOBILUS