ДСТУ EN ISO 16911-1:2022 Стаціонарні джерела викидів. Ручне та автоматичне визначення швидкості та об’ємної витрати в повітроводах. Частина 1. Ручний контрольний метод (EN ISO 16911-1:2013, IDT; ISO 16911-1:2...



ДСТУ EN ISO 16911-1:2022
(EN ISO 16911-1:2013, IDT; ISO 16911-1:2013, IDT)

Стаціонарні джерела викидів. Ручне та автоматичне
визначення швидкості та об’ємної витрати в повітроводах.
Частина 1. Ручний контрольний метод

 
   
 
 
     
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 abbreviated terms

4.1 Symbols

4.2 Abbreviated terms

5 Principle

5.1 General

5.2 Principle of flow velocity determination at a point in the duct

5.3 Principle of measurement of volume flow rate

6 Selection of monitoring approach

6.1 Monitoring objective

6.2 Choice of technique to determine point flow velocity

6.3 Choice of technique for volume flow rate and average flow determination

7 Measuring equipment

7.1 General

7.2 Measurement of duct area

8 Performance characteristics and requirements

9 Measurement procedure

9.1 Site survey before testing

9.2 Determination of sampling plane and number of measurement points

9.3 Checks before sampling

9.4 Quality control

9.5 Measurement of flow at locations within the measurement plane

9.6 Post-measurement quality control

10 Calculation of results

10.1 General

10.2 Measurement of velocity

10.3 Determination of the mean velocity

10.4 Correction of average velocity for wall effects

10.5 Calculation of the volume flow rate from the average velocity

10.6 Conversion of results to standard conditions

11 Establishment of the uncertainty of results

12 Evaluation of the method

Annex A (normative) Measurement of velocity using differential pressure based techniques

Annex B (normative) Vane anemometer

Annex C (normative) Tracer gas dilution method determination of volume flow rate and average velocity

Annex D (normative) Transit time tracer gas method determination of average velocity

Annex E (normative) Calculation of flue gas volume flow rate from energy consumption

Annex F (informative) Example of uncertainty budget established for velocity and volume flow rate measurements by Pitot tube

Annex G (informative) Description of validation studies

Annex H (informative) Differential pressure measurement

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

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

Bibliography