BS ISO 20998-2:2022 – TC
$217.84
Tracked Changes. Measurement and characterization of particles by acoustic methods. – Linear theory
| Published By | Publication Date | Number of Pages |
| BSI | 2022 | 98 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30461515 |
| 57 | A-30429442 |
| 58 | National foreword |
| 62 | Foreword |
| 63 | Introduction |
| 65 | 1 Scope 2 Normative references 3 Terms and definitions |
| 66 | 4 Symbols and abbreviations |
| 68 | 5 Mechanism of attenuation (dilute case) 5.1 Introduction 5.2 Excess attenuation coefficient |
| 69 | 5.3 Specific attenuation mechanisms 5.3.1 Scattering 5.3.2 Thermal losses 5.3.3 Viscoinertial losses 5.3.4 Non-monotonic relaxation mechanisms 5.4 Linear models 5.4.1 Review |
| 70 | 5.4.2 Physical parameters |
| 71 | 6 Determination of particle size 6.1 Introduction |
| 72 | 6.2 Inversion approaches used to determine PSD 6.2.1 Optimization of a PSD function 6.2.2 Regularization |
| 73 | 6.3 Limits of application 7 Instrument qualification 7.1 Calibration 7.2 Precision 7.2.1 Reference samples |
| 74 | 7.2.2 Repeatability 7.2.3 Reproducibility 7.3 Accuracy 7.3.1 Qualification procedure 7.3.2 Reference samples 7.3.3 Instrument preparation 7.3.4 Accuracy test 7.3.5 Qualification acceptance criteria |
| 75 | 8 Reporting of results |
| 76 | Annex A (informative) Viscoinertial loss model |
| 77 | Annex B (informative) ECAH theory and limitations |
| 81 | Annex C (informative) Example of a semi-empirical model |
| 84 | Annex D (informative) Iterative fitting |
| 86 | Annex E (informative) Physical parameter values for selected materials |
| 87 | Annex F (informative) Practical example of PSD measurement |
| 96 | Bibliography |
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