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International Journal of Automotive Technology

, Volume 19, Issue 1, pp 45–54 | Cite as

Influence of temperature on the tyre rolling resistance

  • Jerzy Ejsmont
  • Stanislaw Taryma
  • Grzegorz Ronowski
  • Beata Swieczko-Zurek
Article

Abstract

Temperature is a very important factor controlling rolling resistance of road vehicle tyres. There are at least three different temperatures that may be considered as important factors controlling thermal conditions of the rolling tyre. The most common measure of the thermal conditions during tyre rolling is ambient air temperature. The other two are: pavement temperature and “tyre” temperature. Tyre temperature is the most difficult to establish, as temperatures of different parts of rolling tyres differ considerably, thus there is a problem to obtain representative values. In the authors’ opinion, air temperature is the most universal and reliable parameter to measure. The article presents results obtained in the Technical University of Gdańsk during laboratory and road measurements of different car tyres rolling on different pavements. The knowledge of rolling resistance characteristics is important for modelling car dynamics as well as fuel consumption. It is also necessary to establish proper test conditions in the future standardized on-road method of measuring rolling resistance. The results indicate that generally each tyre and pavement combination is influenced by the air temperature in a unique way, but at the same it is possible to propose some general influence factors that may be used to normalize measurements to the standard temperature of 25 °C.

Keywords

Tyres Rolling resistance Temperature Measuring standard 

Nomenclature

CRR

coefficient of rolling resistance

CRR25

coefficient of rolling resistance at 25 °C

Ta

air temperature, °C

Tp

pavement temperature, °C

Tt

tyre temperature, °C

Kt

coefficient of temperature influence based on air temperature, 1/°C

Ktr

coefficient of temperature influence based on road temperature, 1/°C

Ktt

coefficient of temperature influence based on tyre temperature, 1/°C

Fr25

rolling resistance force at 25 °C, (N)

Fr

rolling resistance force at temperature tamb, (N)

tamb

ambient temperature, °C

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References

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Copyright information

© The Korean Society of Automotive Engineers and Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  • Jerzy Ejsmont
    • 1
  • Stanislaw Taryma
    • 1
  • Grzegorz Ronowski
    • 1
  • Beata Swieczko-Zurek
    • 1
  1. 1.Mechanical FacultyTechnical University of GdanskGdanskPoland

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