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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.120 Measurement of fluid flow>17.120.10 Flow in closed conduits>BS ISO 3966:2020 Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes
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immediate downloadReleased: 2020-07-27
BS ISO 3966:2020 Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes

BS ISO 3966:2020

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

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Standard number:BS ISO 3966:2020
Pages:64
Released:2020-07-27
ISBN:978 0 539 00099 3
Status:Standard
DESCRIPTION

BS ISO 3966:2020


This standard BS ISO 3966:2020 Measurement of fluid flow in closed conduits. Velocity area method using Pitot static tubes is classified in these ICS categories:
  • 17.120.10 Flow in closed conduits

This document specifies a method for the determination in a closed conduit of the volume rate of flow of a regular flow

  1. of a fluid of substantially constant density or corresponding to a Mach number not exceeding 0,25,

  2. with substantially uniform stagnation temperature across the measuring cross-section,

  3. running full in the conduit, and

  4. under steady flow conditions.

In particular, it deals with 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.