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Potential reduction of traffic noise by the means of increased fleet of electric vehicles using a combination of low-noise tyres and low-noise road surfaces
Abstrakt
In the future, the number of zero-emission vehicles like electric and plug-in hybrid vehicles (in electric mode) is expected to be a substantial part of the vehicle fleet. In Norway, such vehicles already account for approximately 20 % of all new cars sold. Since these vehicles emit negligible noise related to the power-train, the tyre/road noise is the dominating noise source. In the LEO project, tyres designed for such cars have been tested on a wide range of road surfaces in Norway and Poland, including a poroelastic road surface. In addition, some noise tests have been made with electric cars fitted with special tyres and compared to normal cars. Depending on a combination of a tyre and a road surface, a reduction of tyre/road noise from 2 to 10 dB can be achieved. Calculations using the TRANECAM model, for six different scenarios have been performed for the potential reduction of the overall traffic noise levels in the future, with a percentage of electric/plug-in hybrid vehicles rising up to 25 % of the total vehicle fleet. Unexpectedly such a substantial change of fleet composition will have only a very limited influence of the noise level reduction – less than 0.5 dB. The best combination of low noise tyres and road surface (PERS) can reduce the Lden-levels by 6-7 dB in 2030.
Autorzy (2)
-
Berge Truls
- SINTEF ICT, Dept. of Acoustics .
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Tytuł wydania:
- Baltic-Nordic Acoustic Meeting strony 1 - 8
- Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Truls B., Mioduszewski P.: Potential reduction of traffic noise by the means of increased fleet of electric vehicles using a combination of low-noise tyres and low-noise road surfaces// Baltic-Nordic Acoustic Meeting/ : , 2016, s.1-8
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 137 razy
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