{"id":408824,"date":"2024-10-20T05:32:38","date_gmt":"2024-10-20T05:32:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-22-30404754-dc-2022\/"},"modified":"2024-10-26T10:07:41","modified_gmt":"2024-10-26T10:07:41","slug":"bsi-22-30404754-dc-2022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-22-30404754-dc-2022\/","title":{"rendered":"BSI 22\/30404754 DC 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\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
7<\/td>\nForeword <\/td>\n<\/tr>\n
8<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Principles of radioactive tracer methods
4.1 Introduction
4.2 Transit time method
4.2.1 Principle <\/td>\n<\/tr>\n
11<\/td>\n4.2.2 Special recommendation for the transit time method
4.2.3 Advantages of transit time method
4.3 Dilution methods
4.3.1 Constant rate injection method <\/td>\n<\/tr>\n
14<\/td>\n4.3.2 Integration method <\/td>\n<\/tr>\n
15<\/td>\n5 Choice of radioactive tracer
5.1 General
5.1.1 Requirements
5.1.2 Radioactive tracers <\/td>\n<\/tr>\n
16<\/td>\n5.2 Advantages of radioactive tracers
5.3 Advantages of radionuclide generators <\/td>\n<\/tr>\n
17<\/td>\n5.4 Selection of radioactive tracer
5.4.1 Type of emitted radiations
5.4.2 Half-life
6 Choice of adequate mixing length
6.1 Introduction
6.2 Consideration on the mixing length
6.2.1 General <\/td>\n<\/tr>\n
18<\/td>\n6.2.2 Examples of injection techniques for reducing mixing length <\/td>\n<\/tr>\n
20<\/td>\n7 Detection of radioactive tracer
7.1 General
7.2 Gamma radiation detector
7.3 Detector arrangement <\/td>\n<\/tr>\n
21<\/td>\n7.4 Data acquisition system
8 Procedures for applying radioactive tracer methods
8.1 Transit time method
8.1.1 Location of injection cross-section
8.1.2 Pulse injection of radioactive tracer <\/td>\n<\/tr>\n
23<\/td>\n8.1.3 Estimation of the activity to be injected <\/td>\n<\/tr>\n
24<\/td>\n8.1.4 Choice of measuring length
8.1.5 Calculation of transit time <\/td>\n<\/tr>\n
25<\/td>\n8.2 Constant rate injection method
8.2.1 Preparation of the radioactive tracer to be injected <\/td>\n<\/tr>\n
26<\/td>\n8.2.2 Injection of the radioactive tracer
8.2.3 Measurement of injection rate
8.3 Integration method
9 Uncertainty
9.1 General
9.1.1 Evaluation of uncertainty <\/td>\n<\/tr>\n
27<\/td>\n9.1.2 Procedures for evaluating the uncertainty of a measured flow rate
9.1.3 Uncertainty propagation formula
9.2 Uncertainty of flow rate measured using the transit time method <\/td>\n<\/tr>\n
29<\/td>\n9.3 Uncertainty of flow rate measured using the constant rate injection method <\/td>\n<\/tr>\n
31<\/td>\n9.4 Uncertainty of flow rate measured using the integration method <\/td>\n<\/tr>\n
34<\/td>\nAnnex\u20acA (normative) Calculation of transit time and its standard uncertainty <\/td>\n<\/tr>\n
40<\/td>\nAnnex\u20acB (informative) Consideration on radiation dose <\/td>\n<\/tr>\n
41<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS ISO 24460. Measurement of fluid flow rate in closed conduits. Radioactive Tracer Methods<\/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>\n41<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":408834,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-408824","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\/408824","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\/408834"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=408824"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=408824"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=408824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}