BS ISO 9613-2:2024
$198.66
Acoustics. Attenuation of sound during propagation outdoors – Engineering method for the prediction of sound pressure levels outdoors
| Published By | Publication Date | Number of Pages |
| BSI | 2024 | 56 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope |
| 10 | 2 Normative references 3 Terms, definitions, symbols and units 3.1 Terms and definitions |
| 11 | 3.2 Symbols and units |
| 12 | 4 Source description |
| 14 | 5 Meteorological conditions |
| 15 | 6 Basic formulae |
| 16 | 7 Calculation of the attenuation terms 7.1 Geometric divergence, Adiv |
| 17 | 7.2 Atmospheric absorption, Aatm 7.3 Ground attenuation, Agr 7.3.1 General method of calculation |
| 20 | 7.3.2 Simplified method of calculation for A-weighted sound pressure levels |
| 21 | 7.4 Screening, Abar 7.4.1 General method of calculation |
| 25 | 7.4.2 Alternative method to calculate the path length difference z with one edge or with more parallel edges |
| 27 | 7.4.3 Lateral diffraction around vertical edges |
| 28 | 7.4.4 Combining vertical and lateral diffractions and limitations 7.5 Reflections 7.5.1 General 7.5.2 Single reflection at a flat surface ā conditions and calculation |
| 29 | 7.5.3 Multi-reflection up to higher orders |
| 30 | 7.5.4 Reflections at cylindrical surfaces |
| 31 | 8 Meteorological correction, Cmet |
| 33 | 9 Accuracy and limitations of the method |
| 35 | Annex A (informative) Additional types of attenuation, Amisc |
| 42 | Annex B (informative) Directivity correction, Dc, for chimney stacks |
| 46 | Annex C (informative) Meteorological correction due to the dependency of C0 from the angular wind distribution |
| 50 | Annex D (informative) Calculation of sound pressure levels caused by wind turbines |
| 53 | Bibliography |
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