KnE Engineering

ISSN: 2518-6841

The latest conference proceedings on all fields of engineering.

Computational Study of Two-Phase Flow Morphology in a Nozzle

Published date:Feb 21 2018

Journal Title: KnE Engineering

Issue title: XIII International Youth Scientific and Practical Conference "FUTURE OF ATOMIC ENERGY - AtomFuture 2017"

Pages:419-432

DOI: 10.18502/keg.v3i3.1642

Authors:
Abstract:

Multiphase flow meters are widely used in nuclear, petroleum and chemical industries. Here the flow rate is defined indirectly by the differential pressure measurement over the device. An additional measurement is required to estimate average density of the phase mixture. This could be done by means of the gamma-ray, electromagnetic or acoustic tomography. The accuracy of the technique is dependent on flow morphology. The present paper reports the results of CFD-modelling of the gas-liquid flow through the vertical flow meter accompanied by a flow conditioner. The model is used to consider the morphology for three different combinations of liquid and gas flow rates. The model demonstrates high non-uniformities of the flow field at the entrance of the flow meter and generally confirms the agreement of flow morphology with previous experimental observations for vertical pipes. 

References:

[1] Abbas H, Lucas G (2011). Experimental and theoretical study of the gas–water two phase flow through a conductance multiphase Flowmeter meter in vertical annular (wet gas) flow. Nuclear Engineering and Design 241:1998–2005.


[2] Amini A, Schleiss AJ (2009). Numerical modeling of oil-water multiphase flow contained by an oil spill barrier. Engineering Applications of Computational Fluid Mechanics 3:207-219.


[3] Balakin BV, Hoffmann AC, Kosinski P, Høiland S (2010). Turbulent flow of hydrates in a pipeline of complex configuration. Chemical Engineering Science 65:5007-5017.


[4] Corneliussen S, Couput J.-P, Dahl E (2005). Handbook of Multiphase Flow Metering, 2nd Ed., NFOGM/Tekna, Oslo, Norway.


[5] Helland K (2004). Gas Technology: treatment and production of natural gas, Bergen University College (in Norwegian).


[6] International Organization for Standardization: Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross-Section Conduits Running Full, ISO 5167:2003.


[7] Kuo JT, Wallis GB (1988). Flow of bubbles through nozzles. International Journal of Multiphase Flow 14:547-564.


[8] Jana AK, Das GP, Das K (2008). The hydrodynamics of liquid–liquid upflow through a flowmetermeter. International Journal of Multiphase Flow 34:1119–1129.

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