{"id":409551,"date":"2024-10-20T05:36:05","date_gmt":"2024-10-20T05:36:05","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-20998-22022\/"},"modified":"2024-10-26T10:16:45","modified_gmt":"2024-10-26T10:16:45","slug":"bs-iso-20998-22022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-20998-22022\/","title":{"rendered":"BS ISO 20998-2:2022"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 Symbols and abbreviations <\/td>\n<\/tr>\n
12<\/td>\n5 Mechanism of attenuation (dilute case)
5.1 Introduction
5.2 Excess attenuation coefficient <\/td>\n<\/tr>\n
13<\/td>\n5.3 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
14<\/td>\n5.4.2 Physical parameters <\/td>\n<\/tr>\n
15<\/td>\n6 Determination of particle size
6.1 Introduction <\/td>\n<\/tr>\n
16<\/td>\n6.2 Inversion approaches used to determine PSD
6.2.1 Optimization of a PSD function
6.2.2 Regularization <\/td>\n<\/tr>\n
17<\/td>\n6.3 Limits of application
7 Instrument qualification
7.1 Calibration
7.2 Precision
7.2.1 Reference samples <\/td>\n<\/tr>\n
18<\/td>\n7.2.2 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
19<\/td>\n8 Reporting of results <\/td>\n<\/tr>\n
20<\/td>\nAnnex A (informative) Viscoinertial loss model <\/td>\n<\/tr>\n
21<\/td>\nAnnex B (informative) ECAH theory and limitations <\/td>\n<\/tr>\n
25<\/td>\nAnnex C (informative) Example of a semi-empirical model <\/td>\n<\/tr>\n
28<\/td>\nAnnex D (informative) Iterative fitting <\/td>\n<\/tr>\n
30<\/td>\nAnnex E (informative) Physical parameter values for selected materials <\/td>\n<\/tr>\n
31<\/td>\nAnnex F (informative) Practical example of PSD measurement <\/td>\n<\/tr>\n
40<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Measurement and characterization of particles by acoustic methods. – Linear theory<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":409560,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-409551","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/409551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/409560"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=409551"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=409551"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=409551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}