INFLUENCE OF TEST CONDITIONS ON TYRE/ROAD NOISE MEASURED BY THE DRUM METHOD - Publikacja - MOST Wiedzy

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INFLUENCE OF TEST CONDITIONS ON TYRE/ROAD NOISE MEASURED BY THE DRUM METHOD

Abstrakt

Tyre/road noise is one of the most important environmental problems related to road traffic. Nowadays a few standard procedures of tyre/road noise measurements are in use. Unfortunately, measurement conditions specified within relevant standards are very different. For example, procedure described in ISO 11819-2 used for pavement investigations requires tyre load of 3200 N and capped inflation pressure of 200 kPa. At the same time ECE Regulation No. 117 requires tyre load based on the Load Index of the tyre and inflation pressure calculated according to a certain equation. In many studies it is speculated that such difference in load and inflation may result in serious differences of tyre ranking. Technical University of Gdansk performed drum measurements of tyre/road noise in order to clarify the situation. The drum method was selected as in comparison to the coast-by and trailer methods, it gives more freedom in adjusting load and inflation pressure. The measurements were performed on drum facilities covered with replica road surfaces including, among others, the replica of ISO 10844 reference surface. Test tyres included reference tyres specified in ISO 11819-2 and a few market tyres that are in use nowadays. Also a tyre specially designed for Electric Vehicles was tested. The paper presents both A-weighted overall noise levels and third octave band spectra.

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Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:
ICSV22 Florence 2015, The 22nd International Congress on Sound and Vibration, Proceedings of ICSV22 Florence 2015 strony 1 - 6
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Ejsmont J., Taryma S., Świeczko-Żurek B.: INFLUENCE OF TEST CONDITIONS ON TYRE/ROAD NOISE MEASURED BY THE DRUM METHOD// ICSV22 Florence 2015, The 22nd International Congress on Sound and Vibration, Proceedings of ICSV22 Florence 2015/ ed. Malcolm Crocker Florence: International Institute of Acoustics and Vibration, Acoustical Society of Italy, 2015, s.1-6
Weryfikacja:
Politechnika Gdańska

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