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Technical Paper

Regeneration of Waste Energy from Tire Strain and Rapid Charging Through Super-Capacitor for Electric Vehicles

2021-10-01
2021-28-0278
Vehicle tyres lead us to move miles and miles, which faces a lots of heat and stresses all that energy should not go in vain, Peizoelectric materials are materials which have the ability to convert the applied mechanical stress into electrical charge. Our experimental work deals with the conversion of heat and stress of the tyre into an electrical energy by using piezoelectric transducer followed by rapid collection and storage of electric energy using super-capacitor. For this experimental study, electric bike was taken and conventional tyres was replaced by regenerative tyre. PZT (lead zirconate titanate) type PET is chosen for greater stability and higher operating temperature. PET is placed in the order of 8 columns in which 4 columns is placed over another 4 columns and 40 rows in the circumference of the inner tyre at about 320 PET in each tyre.
Technical Paper

Low Rolling Resistance Tires and Their Impact on Electric Vehicles

2017-07-10
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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