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PD ISO/TR 9824:2007

Current
Current

The latest, up-to-date edition.

Hydrometry. Measurement of free surface flow in closed conduits
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-06-2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Characteristics of a closed conduit system
  4.1 Physical structure
  4.2 Construction
  4.3 Flow conditions
  4.4 Environment
5 Selection of method
  5.1 General
  5.2 Factors
6 Methods of measurement
  6.1 Volumetric methods
  6.2 Tracer and dilution method
  6.3 Flow measurement structures
  6.4 Ultrasonic Doppler
  6.5 'Transit time' ultrasonic flow meters
  6.6 Electromagnetic method
  6.7 Slope-area method
  6.8 Non-contact methods
  6.9 Spot flow measurements, evaluation and
      verification
7 Final selection of method
Annex A (informative) Guide to the selection
        of methods
Bibliography

Gives a synopsis of the methods of flow gauging that can be deployed in closed conduits flowing part full, i.e. with a free open water surface. It also gives a brief description of each method with particular reference to other International Standards where appropriate, the attributes and limitations of each technique, possible levels of uncertainty in the flow determinations and specific equipment requirements.

This Technical Report provides a synopsis of the methods of flow gauging that can be deployed in closed conduits flowing part full, i.e. with a free open water surface. It provides a brief description of each method with particular reference to other International Standards where appropriate, the attributes and limitations of each technique, possible levels of uncertainty in the flow determinations and specific equipment requirements. The uncertainties quoted herein are expanded uncertainties with a coverage factor of 2 and an approximate confidence level of 95%.

Committee
CPI/113
DevelopmentNote
Supersedes BS 3680-11A(1992), BS 3680-11B(1992) and 05/30078385 DC. (06/2007)
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO/TR 9824:2007 Identical

ISO 5167-3:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 3: Nozzles and Venturi nozzles
ISO 8368:1999 Hydrometric determinations Flow measurements in open channels using structures Guidelines for selection of structure
ISO 748:2007 Hydrometry Measurement of liquid flow in open channels using current-meters or floats
ISO 6416:2017 Hydrometry — Measurement of discharge by the ultrasonic transit time (time of flight) method
ISO 1100-2:2010 Hydrometry Measurement of liquid flow in open channels Part 2: Determination of the stage-discharge relationship
ISO 4373:2008 Hydrometry Water level measuring devices
IEC 61000-6-2:2016 Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity standard for industrial environments
ISO 2975-1:1974 Measurement of water flow in closed conduits — Tracer methods — Part 1: General
ISO/TS 15768:2000 Measurement of liquid velocity in open channels Design, selection and use of electromagnetic current meters
ISO 9555-1:1994 Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 1: General
ISO 5167-4:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 4: Venturi tubes
ISO 9826:1992 Measurement of liquid flow in open channels — Parshall and SANIIRI flumes
ISO 9555-3:1992 Measurement of liquid flow in open channels Tracer dilution methods for the measurement of steady flow Part 3: Chemical tracers
ISO 4359:2013 Flow measurement structures — Rectangular, trapezoidal and U-shaped flumes
ISO/TR 5168:1998 Measurement of fluid flow Evaluation of uncertainties
ISO 5167-2:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 2: Orifice plates
ISO 9555-2:1992 Measurement of liquid flow in open channels Tracer dilution methods for the measurement of steady flow Part 2: Radioactive tracers
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
ISO 9213:2004 Measurement of total discharge in open channels Electromagnetic method using a full-channel-width coil
ISO 4377:2012 Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs
ISO/TS 15769:2000 Hydrometric determinations Liquid flow in open channels and partly filled pipes Guidelines for the application of Doppler-based flow measurements
ISO 9555-4:1992 Measurement of liquid flow in open channels Tracer dilution methods for the measurement of steady flow Part 4: Fluorescent tracers
ISO 772:1996 Hydrometric determinations — Vocabulary and symbols
EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
IEC 61000-6-2 : 3.0:2016 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY STANDARD FOR INDUSTRIAL ENVIRONMENTS
ISO 4360:2008 Hydrometry Open channel flow measurement using triangular profile weirs

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