Investigating the Influence of Heat-Insulated Wheelhouses on Truck Tyre Temperature and Rolling Resistance

Jukka Hyttinen (), Matthias Ussner, Rickard Österlöf, Jenny Jerrelind and Lars Drugge
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Jukka Hyttinen: Scania CV AB, Granparksvägen 10, 15148 Södertälje, Sweden
Matthias Ussner: Scania CV AB, Granparksvägen 10, 15148 Södertälje, Sweden
Rickard Österlöf: Scania CV AB, Granparksvägen 10, 15148 Södertälje, Sweden
Jenny Jerrelind: ECO 2 Vehicle Design, Engineering Mechanics, KTH Royal Institute of Technology, Teknikringen 8, 10044 Stockholm, Sweden
Lars Drugge: ECO 2 Vehicle Design, Engineering Mechanics, KTH Royal Institute of Technology, Teknikringen 8, 10044 Stockholm, Sweden

Energies, 2024, vol. 17, issue 23, 1-9

Abstract: Due to legislations introduced to prevent global warming, vehicle manufacturers must find new ways to reduce CO 2 emissions. This paper explores a way to reduce rolling resistance by heat-insulating and covering a truck’s wheelhouse. Truck tyre rolling resistance was measured at +5 °C ambient temperature for consecutive speed steps in a climate wind chamber with and without heat insulation. The study showed that by encapsulating and insulating the wheelhouse, already generated strain-induced heat could be kept in the tyre, consequently leading to reduced rolling resistance. The tyre shoulder temperature was monitored during the experiments along with the tyre pressure. When the wheelhouses were encapsulated, a significant reduction in rolling resistance and an increase in tyre pressure and temperature were measured at all evaluated speed levels.

Keywords: truck tyre; rolling resistance; climate wind chamber; tyre temperature; tyre encapsulation; strain-induced heat; covered wheelhouse (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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