Comparison of Tire Rolling Resistance Measuring Methods for Different Surfaces - Publikacja - MOST Wiedzy

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Comparison of Tire Rolling Resistance Measuring Methods for Different Surfaces

Abstrakt

The rolling resistance of car tires is one of the most important parameters characterizing tires today. This resistance has a very significant contribution to the energy consumption of wheeled vehicles. The climate crisis has forced tire and car manufacturers to place great emphasis on the environmental impact of their products. Paradoxically, the development of electric vehicles has led to an even greater importance of rolling resistance, because in electric vehicles, a large part of the influence of grade resistance and inertial resistance has been eliminated due to re-generative braking, which resulted in rolling resistance and air resistance remain as the most important factors. What is more, electric and hybrid vehicles are usually heavier, so the rolling resistance is increased accordingly. To optimize tires for rolling resistance, representative test methods must exist. Unfortunately, the current standards for measuring rolling resistance assume that tests are carried out in conditions that are far from real road conditions. This article compares the results of rolling resistance tests conducted in road conditions with the results of laboratory tests conducted on roadwheel facilities. The overview of results shows that the results of tests conducted in accordance with ISO and SAE standards on steel drums are very poorly correlated with more objective results of road tests. Significant differences occur both in the Coefficients of Rolling Resistance (CRR) and in the tire ranking. Only covering the drums with replicas of road surfaces leads to a significant improvement in the results obtained. For investigations of rolling resistance in non-steady-state conditions, the flat track testing machine (TTF), equipped with asphalt cassettes, is shown to provide measurement data in agreement with the road test data.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY nr 25, strony 965 - 976,
ISSN: 1229-9138
Język:
angielski
Rok wydania:
2024
Opis bibliograficzny:
Ejsmont J., Ronowski G., Ydrefors L., Owczarzak W., Sommer S., Świeczko-Żurek B.: Comparison of Tire Rolling Resistance Measuring Methods for Different Surfaces// INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY -Vol. 25, (2024), s.965-976
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s12239-024-00092-w
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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