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Abstract
The correction for temperature effect on measured tyre/road noise is very important as it may be one of the main sources of errors in measurement results due to substantial influence of this parameter on obtained values. The latest version of the Technical Specification ISO/CD TS 13471-1 about Temperature Corrections contains a proposal of correction procedure for normalizing measured noise levels to a reference air temperature of 20 ºC. This procedure is currently neutral with respect to frequency as it only refers to the overall A-weighted sound level. But it is already prepared to be filled with frequency dependent coefficients when such a data are available. An extensive studies of how temperature affects the tyre/road noise measured on a road using the CPX method and in laboratory with tyres rolling on drums equipped with replica road surfaces were conducted at the Gdansk University of Technology in Poland. Overall A-weighted sound levels and the one-third octave band frequency spectra were acquired during the tests. The temperature correction coefficients for overall sound levels were derived and published at previous Internoise conferences in 2014 and 2015. The temperature influence on measured tyre/road noise one-third octave band frequency spectra are presented and discussed in this paper.
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Details
- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- Proceedings of the INTER-NOISE 2016 45th International Congress and Exposition on Noise Control Engineering Towards a Quieter Future strony 4924 - 4934
- ISSN:
- 0105-175x
- Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Mioduszewski P., Taryma S., Woźniak R.: Temperature influence on tyre/road noise frequency spectra // Proceedings of the INTER-NOISE 2016 45th International Congress and Exposition on Noise Control Engineering Towards a Quieter Future / ed. Wolfgang Kropp, Otto von Estorff, Brigitte Schulte-Fortkamp Berlin: German Acoustical Society (DEGA), 2016, s.4924-4934
- Verified by:
- Gdańsk University of Technology
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