{"id":451104,"date":"2024-10-20T09:16:00","date_gmt":"2024-10-20T09:16:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-240622023-2024\/"},"modified":"2024-10-26T17:16:09","modified_gmt":"2024-10-26T17:16:09","slug":"bs-iso-240622023-2024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-240622023-2024\/","title":{"rendered":"BS ISO 24062:2023 2024"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Quantities <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 3.2 Meter design 3.3 Thermodynamic conditions <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 3.4 Statistics <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 3.5 Calibration 3.6 Symbols and subscripts <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 4 Principle of measurement 4.1 General <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 4.2 Generic description <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 4.2.1 Transducers <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 4.2.2 Ultrasonic path configurations <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 4.2.3 Electronic unit functionality <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 4.3 Special considerations 4.3.1 Gas 4.3.2 Extreme temperatures 4.4 Additional measurements 4.4.1 Standard volume flow <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 4.4.2 Heat flow 4.4.3 Mass flow 5 Test and calibration 5.1 General 5.2 Individual testing \u2014 Flow calibration under flowing conditions 5.2.1 General <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 5.2.2 Laboratory flow calibration <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 6 Installation 6.1 General 6.2 Installation location 6.2.1 Upstream and downstream straight pipe length requirements and path configuration <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 6.3 Transmitter programming 6.4 Pressure and temperature inputs <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 6.5 Transducer installation 6.5.1 Transducer type 6.5.2 Transducer orientation 6.5.3 Coupling 6.5.4 Transducer mounting <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 6.6 Gas considerations 6.7 Cable <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 6.8 Additional installation effects 6.8.1 Non-steady flow 6.8.2 Contamination by secondary phase 6.8.3 Vibration 6.8.4 Thermal insulation <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | 6.8.5 Stratification 6.8.6 Wall roughness signal considerations 6.8.7 Non-Newtonian fluids 6.9 Operational diagnostics 6.9.1 Fluid speed of sound <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | 6.9.2 Gain 6.9.3 Signal to noise ratio 7 Maintenance 8 Uncertainty in measurement 8.1 General <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | 8.2 Mathematical model <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | 8.3 Evaluation of the contributory variances 8.3.1 Uncertainty of the cross-sectional area, u(A) <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | 8.3.2 Uncertainty in the velocity profile, u(Kp) <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | 8.3.3 Uncertainty of the path-geometry factor, u(Kg) and time measurement 8.3.4 Uncertainty of time measurement 8.3.5 Uncertainty of the delay time, u(t0) 8.3.6 Effect of multiple paths <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | 8.4 Additional effects on measurement uncertainty 8.4.1 Effect of pipe material on sound speed 8.4.2 Effect of fluid sound speed 8.4.3 Reproducibility of transmitter mounting 8.4.4 External influences <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | Annex A (informative) Example of uncertainty calculation <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Measurement of fluid flow in closed conduits. Clamp-on ultrasonic transit-time meters for liquids and gases<\/b><\/p>\n |