TY  - BOOK
AU  - Bannwart,Antonio C.
ED  - American Society of Mechanical Engineers, ASME
ED  - Ocean & Mechanical Arctic Engineering, OMAE
ED  - ETCE/OMAE 2000 Joint Conference: Energy for the New Milenium ( 2000 Feb 14-17 : New orleans)
ED  - Energy Sources Technology Conference and Exhibition (23rd : 2000 feb 14-17 : New Orleans)
ED  - International OMAE Conference for Ocean, Offshore and Arctic Engineers (19th : 2000 feb 14-17 : New Orleans)
ED  - American Society of Mechanical Engineers, ASME
ED  - Ocean & Mechanical Arctic Engineering, OMAE
ED  - ETCE/OMAE 2000 Joint Conference: Energy for the New Milenium ( 2000 Feb 14-17 : New orleans)
ED  - Energy Sources Technology Conference and Exhibition (23rd : 2000 feb 14-17 : New Orleans)
ED  - International OMAE Conference for Ocean, Offshore and Arctic Engineers (19th : 2000 feb 14-17 : New Orleans)
TI  - Bubble Analogy and stabilization of core-annular flow
PY  - 2000///
CY  - New Orleans
PB  - 
KW  - Producción de petróleo y gas
KW  - Extracción de petróleo
KW  - Yacimientos de petróleos pesados
KW  - Extracción artificial
KW  - Estimulación de pozos
KW  - Modelos de simulación
KW  - Dinámica de fluidos
KW  - Desplazamiento inmiscible
KW  - Flujo en el espacio anular
KW  - Medición de presión
KW  - Gradientes de presión
N1  - Artículo publicado en la página web de la Faculdade de Engenharia Mecânica da Universidade Estadual de Campinas, Brasil ; Sitio visitado en noviembre de 2002 ; Navegadores de Internet ; Adobe Acrobat (PDF)
N2  - Transcripción del abstract publicado por el autor: A theory for the stabilization of annular liquid-liquid flow (i.e. core annular flow) in a horizontal pipe, when the two liquids have different densities and viscosities, is proposed. The analysis of the momentum equation in the cross section of the flow, including the interfacial tension effect, allows an interesting analogy between the peripheral flow around the core and the flow surrounding an ascending bubble. Based upon this mechanism, it is suggested that the viscous and inertial forces in core annular can be combined in a single drag force, which is analogous to the drag in bubbles. By modeling the action of the lubricating forces in this way, an equation is obtained which describes the interface shape. Results for the height-to-width aspect ratio of the core are compared with laboratory measurements done by the author for a heavy oil-water core annular flow in a horizontal pipe. A criterion for stabilization is proposed
UR  - http://www.fem.unicamp.br/~bannwart/10028.pdf
ER  -