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Multiphase Science and Technology
SJR: 0.183 SNIP: 0.483 CiteScore™: 0.5

ISSN Imprimer: 0276-1459
ISSN En ligne: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v21.i1-2.30
pages 25-35

OIL-WATER FLOW IN HORIZONTAL PIPES: A FLOW PATTERN AND PRESSURE DROP STUDY

Christophe Conan
Institut Français du Pétrole, IFF, 1 ave Bois Préau, 92500 Rueil Malmaison, France
Sandrine Decarre
1Institut Français du Pétrole, IFF, 1 ave Bois Préau, 92500 Rueil Malmaison, France
Olivier Masbernat
Laboratoire de Génie Chimique, UMR 5503 CNRS/INPT/UPS, 31106 Toulouse Cedex 1, France
Alain Liné
Laboratoire d'Ingénierie des Systèmes Biologiques et des Procédés, UMR INSA-CNRS 5504, UMR INSAINR 792, F-31077 Toulouse Cedex 4, France

RÉSUMÉ

This article presents an experimental study of a liquid-liquid dispersed/stratified flow in a horizontal pipe. All the flows studied contain a highly concentrated layer of oil drops (light phase) under which flows a continuous layer of aqueous phase (heavy phase). Depending on the dispersed phase concentration, a third layer of pure oil may appear at the top of the pipe. The impact of the oil injection system has been studied and it appears that it plays a role in the transition, being one of the systems favoring the coalescence of the oil droplets. The evolution of the pressure drop is discussed. It is systematically greater than that obtained for a single water flow, confirming observations made by Elseth (2001), Nadler and Mewes (1995), and Angeli (1996) for a steel pipe. A correlation between the pressure loss and the experimental conditions (mixture velocity and phase ratio) is proposed. Two classical models, usually used for gas-liquid stratified flows (Lockart and Martinelli) and for fully dispersed flows (homogeneous model), are also tested and adjusted to dispersed/stratified flows.

RÉFÉRENCES

  1. Angeli, P., Liquid-Liquid Dispersed Flows in Horizontal Pipes.

  2. Angeli, P. and Hewitt, G. F., Flow Structure in Horizontal Oil-Water Flow. DOI: 10.1016/S0301-9322(99)00081-6

  3. Arirachakaran, S., Oglesby, K. D., and Malinowsky, M. S., An Analysis of Oil/Water Flow Phenomena in Horizontal Pipes. DOI: 10.2118/18836-MS

  4. Brauner, N., The Prediction of Dispersed Flow Boundaries in Liquid-Liquid and Gas-Liquid Systems. DOI: 10.1016/S0301-9322(00)00056-2

  5. Brauner, N. and Moalem-Maron, D., Flow Pattern Transitions in Two-Phase Liquid-Liquid Flow in Horizontal Tubes. DOI: 10.1016/0301-9322(92)90010-E

  6. Conan, C., Etude experimentale et modelisation des ecoulements liquide-liquide en conduite horizontale.

  7. Conan, C., Masbernat, O., Line, A., and Decarre, S., Experimental Study of Local Hydrodynamics in a Dispersed-Stratified Liquid-Liquid Pipe Flow.

  8. Elseth, G., An Experimental Study of Oil/Water Flow in Horizontal Pipes.

  9. Nadler and Mewes, The Effect of Gas Injection on the Flow of Two Immiscible Liquids in Horizontal Pipes.

  10. Rodriguez, O. M. H. and Oliemans, R. V. A., Experimental Study of Oil-Water Flow in Horizontal and Slightly Inclined Pipes. DOI: 10.1016/j.ijmultiphaseflow.2005.11.001

  11. Trallero, J. L., Oil-Water Flow Patterns in Horizontal Pipes.


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