ДСТУ EN ISO 16911-2:2022 Стаціонарні джерела викидів. Ручне й автоматичне визначення швидкості та об’ємної витрати в повітроводах. Частина 2. Автоматизовані вимірювальні системи (EN ISO 16911-2:2013, IDT; ISO...

ДСТУ EN ISO 16911-2:2022
(EN ISO 16911-2:2013, IDT; ISO 16911-2:2013, IDT)

Стаціонарні джерела викидів. Ручне й автоматичне
визначення швидкості та об’ємної витрати в повітроводах.
Частина 2. Автоматизовані вимірювальні системи

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviations

4.1 Symbols

4.2 Abbreviations

5 Principle

5.1 General

5.2 Importance of minimizing systematic errors

5.3 Relationship to EN 14181

6 Type testing, quality assurance level 1 data

6.1 Introduction

6.2 Performance criteria

6.3 Flow reference material or procedure

6.4 Quality assurance level 1 calculation

6.5 Velocity check points and quality assurance level 3

7 Selection of automated measuring system location

7.1 General

7.2 Selection based upon pre-investigation

7.3 Selection based upon a predictable flow profile

7.4 Qualifying the automated measuring system calibration through a type 2 quality assurance level 2 procedure

7.5 Ports and working platforms

8 Pre-investigation of flow profile

8.1 General

8.2 Pre-investigation by measurement

8.3 Pre-investigation by computational fluid dynamics (CFD)

8.4 Automated measuring system selection guide

8.5 Quality assurance level 2 requirements

9 Calibration and validation of the automated measuring system (quality assurance level 2 and annual surveillance test)

9.1 Selection of calibration method

9.2 Selection of calibration method, if calculation methods are used

9.3 Calibration procedure

9.4 Functional tests

9.5 Parallel measurements with a standard reference method

9.6 Wall effects

9.7 Automated measuring system flow calibration procedure with transit time tracer

9.8 Data evaluation

9.9 Calibration function of the automated measuring system and its validity

9.10 Calculation of variability

9.11 Test of variability and annual surveillance test of validity of the calibration function

9.12 Test of R²

9.13 Quality assurance level 2 and annual surveillance test report

10 Commissioning documentation

11 On-going quality assurance during operation (quality assurance level 3)

12 Assessment of uncertainty in volume flow rate

Annex A (informative) Example of calculation of the calibration function (data from tests in Copenhagen and Wilhelmshaven)

Annex B (informative) Flow profile characteristics

Annex C (informative) Determination of measuring points and/or paths

Annex D (normative) Treatment of a polynomial calibration function

Annex E (normative) Values of k_v(N) and t_{0,95(N - 1)}

Annex F (informative) Example of a pre-investigation measurement

Annex G (informative) Computational fluid dynamics issues

Annex H (informative) The use of time of flight measurement instruments based on modulated laser light

Annex I (informative) Relationship between this International Standard and the essential requirements of EU Directives

Bibliography