BSI PD ISO/TS 13471-2:2022
$142.49
Acoustics. Temperature influence on tyre/road noise measurement – Correction for temperature when testing with the pass-by methods
| Published By | Publication Date | Number of Pages |
| BSI | 2022 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Acoustics |
| 10 | 3.2 Measured noise quantities 3.3 Tyre and vehicle classes |
| 11 | 3.4 Road surface 3.5 Temperatures |
| 12 | 4 Principles of the correction procedures |
| 13 | 5 Temperature measurement equipment 6 Measurement methods 6.1 General 6.2 Measurement of air temperature |
| 14 | 6.3 Measurement of road surface temperature (optional) 6.4 Measurement of tyre temperature (optional) 7 Temperature range 7.1 General 7.2 Temperature range within which the correction procedure is valid 8 Temperature correction procedure 8.1 Correction to noise levels |
| 15 | 8.2 Temperature coefficient |
| 16 | 8.3 Spectral correction 9 Compensation for the effect of power unit noise |
| 17 | 10 Measurement uncertainty assessment according to ISO/IEC Guide 98‑3 10.1 General 10.2 Potential uncertainties |
| 18 | 10.3 Uncertainty estimation of temperature correction 10.4 Sources of uncertainty 10.4.1 Temperature coefficients (γt), δ1 10.4.2 Temperature measurements (T), δ2 10.4.3 Road surface category (rs), δ3 10.4.4 Vehicle effect, δ4 |
| 19 | 10.4.5 Solar radiation and warming of tyres, δ5 10.4.6 Tyre effect, δ6 10.5 Estimation of uncertainties |
| 20 | 11 Test report |
| 21 | Annex A (informative) Information about road surface types |
| 23 | Annex B (informative) Selection of temperature for normalization |
| 25 | Bibliography |
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