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Experimental Study of the Tire Cavity Noise and its Correlation with the Exterior Tire-Road Noise Emission

Pinay, J.; Gauterin, F.; Unrau, H.-J.

Abstract (englisch):
Noise due to the contact between the tire and the road is taking more and more importance in the development of cars, tires, and road coverings. This noise influences the comfort perception of the driver and the living quality of the surrounding people and has to be taken into account during the tire development. A recent study from the Danish Ministry of Infrastructure and Environment estimated that a reduction of the tire-road noise emission of 6 dB(A) between 2009 and 2020 could save 11 billion euros yearly by reducing the number of annoyed peopled by 13 million and the number of sleep disturbed people by 6 million.
Nowadays, several methods are used to quantify the noise of a rolling tire. All of them are, however, cost- and time-expensive, lack mobility, and are dependent on the surrounding weather and operating conditions. With a self-developed measurement system, it is now possible to predict the emitted tire-road noise by measuring the noise inside the tire cavity.
In this study, reproducible measurements were realized on a tire test bench, where the tire cavity noise and the exterior tire-road noise were simultaneously recorded. ... mehr

Zugehörige Institution(en) am KIT Institut für Fahrzeugsystemtechnik (FAST)
Publikationstyp Vortrag
Publikationsjahr 2017
Sprache Englisch
Identifikator KITopen-ID: 1000133000
Veranstaltung 16. VDI-Fachtagung Reifen, Fahrwerk, Fahrbahn (2017), Hannover, Deutschland, 25.10.2017 – 26.10.2017
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