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  • BSI
    PD ISO/TR 3313:2018 Measurement of fluid flow in closed conduits. Guidelines on the effects of flow pulsations on flow-measurement instruments
    Edition: 2018
    $526.05
    / user per year

Description of PD ISO/TR 3313:2018 2018

This document defines pulsating flow, compares it with steady flow, indicates how it can be detected, and describes the effects it has on orifice plates, nozzles or Venturi tubes, turbine and vortex flowmeters when these devices are being used to measure fluid flow in a pipe. These particular flowmeter types feature in this document because they are amongst those types most susceptible to pulsation effects. Methods for correcting the flowmeter output signal for errors produced by these effects are described for those flowmeter types for which this is possible. When correction is not possible, measures to avoid or reduce the problem are indicated. Such measures include the installation of pulsation damping devices and/or choice of a flowmeter type which is less susceptible to pulsation effects.

This document applies to flow in which the pulsations are generated at a single source which is situated either upstream or downstream of the primary element of the flowmeter. Its applicability is restricted to conditions where the flow direction does not reverse in the measuring section but there is no restriction on the waveform of the flow pulsation. The recommendations within this document apply to both liquid and gas flows although with the latter the validity might be restricted to gas flows in which the density changes in the measuring section are small as indicated for the particular type of flowmeter under discussion.



Standard NumberPD ISO/TR 3313:2018
TitleMeasurement of fluid flow in closed conduits. Guidelines on the effects of flow pulsations on flow-measurement instruments
StatusConfirmed
Publication Date2018-03-27
ReplacesBS ISO TR 3313:1998
Identical National Standard OfISO/TR 3313:2018
DescriptorsVenturi meters, Damping, Flow measurement, Orifice flowmeters, Dynamics, Nozzle flowmeters, Equations, Inertia, Thermal probes, Flowmeters, Frequencies, Optics, Electromagnetically-operated devices, Flow rates, Turbines, Doppler effect, Anemometers, Differential-pressure flowmeters, Acoustic equipment, Bibliography, Formulae (mathematics), Software engineering techniques, Waveforms, Errors, Transit-time devices, Mathematical calculations, Pulsating flow, Wave properties and phenomena, Pipes, Probes, Flow
ICS17.120.10 Flow in closed conduits
CommitteeCPI/30/2
ISBN978 0 580 90405 9
PublisherBSI
Pages52

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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