Bubble Analogy and Stabilization of Core-Annular Flow

[+] Author and Article Information
Antonio C. Bannwart

Department of Petroleum Engineering, State University of Campinas, Campinas, SP, Brazil e-mail: bannwart@fem.unicamp.br

J. Energy Resour. Technol 123(2), 127-132 (Dec 11, 2000) (6 pages) doi:10.1115/1.1367272 History: Received October 28, 1999; Revised December 11, 2000
Copyright © 2001 by ASME
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Possible annulus flow relative to the core
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Peripheral flow and coordinate system
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Schematic of the cross section of the core
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Core shapes for negative Eötvos numbers. For Eo=0 the core is a circle; then it deforms progressively as Eo increases. The horizontal segments represent Eq. (18).
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Eötvos number Eo as function of the parameter E*
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Typical top and side views of a core-annular flow
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Aspect ratio as function of the Eötvos number. The points stand for the data of Table 1.




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