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BS EN ISO 16911-1:2013

BS EN ISO 16911-1:2013

Current

Current

The latest, up-to-date edition.

Stationary source emissions. Manual and automatic determination of velocity and volume flow rate in ducts Manual reference method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-03-2013

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle
6 Selection of monitoring approach
7 Measuring equipment
8 Performance characteristics and requirements
9 Measurement procedure
10 Calculation of results
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

Defines a method for periodic determination of the axial velocity and volume flow rate of gas within emissions ducts and stacks.

ENISO16911-1 specifies a method for periodic determination of the axial velocity and volume flow rate of gas within emissions ducts and stacks. It is applicable for use in circular or rectangular ducts with measurement locations meeting the requirements of EN15259. Minimum and maximum duct sizes are driven by practical considerations of the measurement devices described within ENISO16911-1.

ENISO16911-1 requires all flow measurements to have demonstrable metrological traceability to national or international primary standards.

To be used as a standard reference method, the user is required to demonstrate that the performance characteristics of the method are equal to or better than the performance criteria defined in ENISO16911-1 and that the overall uncertainty of the method, expressed with a level of confidence of 95 %, is determined and reported. The results for each method defined in ENISO16911-1 have different uncertainties within a range of 1% to 10% at flow velocities of 20m/s.

Methods further to these can be used provided that the user can demonstrate equivalence, based on the principles of CEN/TS14793.[10]

Committee
EH/2/1
DevelopmentNote
Supersedes 11/30239461 DC. (03/2013)
DocumentType
Standard
Pages
96
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 16911-1:2013 Identical
EN ISO 16911-1:2013 Identical

EN 15267-3:2007 Air quality - Certification of automated measuring systems - Part 3: Performance criteria and test procedures for automated measuring systems for monitoring emissions from stationary sources
BS 5857-1.4:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow Transit time method using non-radioactive tracers
BS 5857-2.4:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow Transit time method using radioactive tracers
ISO 1928:2009 Solid mineral fuels Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value
CEN/TS 14793:2005 Stationary source emission - Intralaboratory validation procedure for an alternative method compared to a reference method
ISO 14956:2002 Air quality Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
ISO 1170:2013 Coal and coke Calculation of analyses to different bases
EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
EN 15259:2007 Air quality - Measurement of stationary source emissions - Requirements for measurement sections and sites and for the measurement objective, plan and report
EN 13284-1:2017 Stationary source emissions - Determination of low range mass concentration of dust - Part 1: Manual gravimetric method
EN 14181:2014 Stationary source emissions - Quality assurance of automated measuring systems
EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
EN 12952-15:2003 Water-tube boilers and auxiliary installations - Part 15: Acceptance tests
EN 14790:2017 Stationary source emissions - Determination of the water vapour in ducts - Standard reference method
ISO 20988:2007 Air quality Guidelines for estimating measurement uncertainty
ISO 10780:1994 Stationary source emissions — Measurement of velocity and volume flowrate of gas streams in ducts
ISO 3966:2008 Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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Hardcopy - English
Hardcopy - English
PDF - English
Hardcopy - English
PDF - English
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