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Summary & Details

Effects of External Tire Heating on Rolling Resistance Energy Consumption

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Paper/Info type: AVEC

Pages: 29-35(Total 7 p)

Date of publication: Sep 2024

Publisher: Others, Unknown

Language: English

Event: AVEC '24

Detailed Information

Author(E)	1) Mikael Askerdal, 2) Fredrik Bruzelius, 3) Jonas Fredriksson
Affiliation(E)	1) AB Volvo/Chalmers University of Technology, 2) Chalmers University of Technology, 3) Chalmers University of Technology
Abstract(E)	It is known that the rolling resistance decreases with increasing tire temperature. If the tires could be heated to a high temperature, the rolling resistance’s energy loss could be reduced. The question arises whether the reduced rolling resistance energy consumption overcomes the energy required to heat the tire. This paper investigates the effects of external heating and improved tire insulation theoretically. The results indicate that external tire heating can be beneficial only if the heat used is waste heat, generated from a heat pump or similar with a coefficient of performance greater than one or taken from the grid.

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