{"id":416460,"date":"2024-10-20T06:10:53","date_gmt":"2024-10-20T06:10:53","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-20998-22022-tc\/"},"modified":"2024-10-26T11:28:55","modified_gmt":"2024-10-26T11:28:55","slug":"bs-iso-20998-22022-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-20998-22022-tc\/","title":{"rendered":"BS ISO 20998-2:2022 – TC"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | 30461515 <\/td>\n<\/tr>\n | ||||||
57<\/td>\n | A-30429442 <\/td>\n<\/tr>\n | ||||||
58<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
62<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
63<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
65<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
66<\/td>\n | 4 Symbols and abbreviations <\/td>\n<\/tr>\n | ||||||
68<\/td>\n | 5 Mechanism of attenuation (dilute case) 5.1 Introduction 5.2 Excess attenuation coefficient <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
70<\/td>\n | 5.4.2 Physical parameters <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | 6 Determination of particle size 6.1 Introduction <\/td>\n<\/tr>\n | ||||||
72<\/td>\n | 6.2 Inversion approaches used to determine PSD 6.2.1 Optimization of a PSD function 6.2.2 Regularization <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | 6.3 Limits of application 7 Instrument qualification 7.1 Calibration 7.2 Precision 7.2.1 Reference samples <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
75<\/td>\n | 8 Reporting of results <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | Annex A (informative) Viscoinertial loss model <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | Annex B (informative) ECAH theory and limitations <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | Annex C (informative) Example of a semi-empirical model <\/td>\n<\/tr>\n | ||||||
84<\/td>\n | Annex D (informative) Iterative fitting <\/td>\n<\/tr>\n | ||||||
86<\/td>\n | Annex E (informative) Physical parameter values for selected materials <\/td>\n<\/tr>\n | ||||||
87<\/td>\n | Annex F (informative) Practical example of PSD measurement <\/td>\n<\/tr>\n | ||||||
96<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Measurement and characterization of particles by acoustic methods. – Linear theory<\/b><\/p>\n |