Vertical Liquid-Liquid and Liquid-Gas Two-Phase Flow Measurements with a Vortex Flowmeter

  • Andre J. M. Foussat
  • Jean-Pierre Hulin
Conference paper
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)


The response of a vortex flowmeter in vertical liquid-liquid (water-kerosene) and gas-liquid (air-water) flows has been studied experimentally at mean velocities between 0.2 and 2 m/s.

In gas-liquid flows, excellent signals are obtained up to 10% void fractions for mean velocities above .45 m/s. The liquid flow rate can be measured to within 1% provided a void fraction dependent correction is applied.

In liquid-liquid flows, good signals are obtained at all mixture compositions for mean velocities above.4 m/s.The total liquid flow rate is directly measured within +/− 2%. At lower velocities (above .25 m/s), the device remains usable in a more limited range of volume fractions.

Using two obstacles instead of one greatly improves the signal output stability.

Detailed investigations of the local flow structure upstream and downstream of the obstacles are also reported and explain several of the observed vortex emission characteristics.


Void Fraction Vortex Core Strouhal Number Liquid Flow Rate Single Phase Flow 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin, Heidelberg 1984

Authors and Affiliations

  • Andre J. M. Foussat
    • 1
  • Jean-Pierre Hulin
    • 1
  1. 1.Physics Engineering DepartmentEtudes et Productions SchlumbergerClamart CedexFrance

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