• BS ISO 3966:2008

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes

    Available format(s):  Hardcopy, PDF

    Superseded date:  27-07-2020

    Language(s):  English

    Published date:  31-08-2008

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Symbols and definitions
    4 Principle
    5 Design of Pitot tubes
    6 Requirements for use of Pitot tubes
    7 Positioning of Pitot tube
    8 Velocity computation
    9 Determination of the discharge velocity by graphical integration
       of the velocity area
    10 Determination of the discharge velocity by numerical integration
       of the velocity area
    11 Determination of the discharge velocity by arithmetical methods
    12 Corrections of local velocity measurements
    13 Errors
    Annex A (normative) - Pitot tubes
    Annex B (normative) - Correction to the measuring position of Pitot
            tubes used in a transverse velocity gradient
    Annex C (normative) - Study concerning turbulence correction
    Annex D (normative) - Damping of pressure gauges
    Annex E (normative) - Measurements with a Pitot tube in a compressible
            fluid
    Annex F (normative) - Determination of coefficient m for extrapolation
            near the wall
    Annex G (normative) - Example of calculation of the uncertainty on
            the flow-rate measurement by means of Pitot tubes
    Bibliography

    Abstract - (Show below) - (Hide below)

    Covers the technology and maintenance of Pitot static tubes, with the calculation of local velocities from measured differential pressures and with the computation of the flow rate by velocity integration.

    General Product Information - (Show below) - (Hide below)

    Committee CPI/30/5
    Development Note Supersedes BS 1042-2.1(1983). (09/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 7194:2008 Measurement of fluid flow in closed conduits — Velocity-area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
    ISO 2186:2007 Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements
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