Convoluted models and high-Weissenberg predictions for micellar thixotropic fluids in contraction-expansion flows

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Convoluted models and high-Weissenberg predictions for micellar thixotropic fluids in contraction-expansion flows

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作者：J.E. Ló ; pez-Aguilar^a ; M.F. Webster^a ; ^{M.F.Webster@swansea.ac.uk" class="auth_mail" title="E-mail the corresponding author} ; H.R. Tamaddon-Jahromi^a ; O. Manero^b
关键词：High-elasticity solutions ; Wormlike micelles ; Convoluted EPTT-Bautista&ndash ; Manero models ; Numerical simulation ; Hybrid finite element/volume method ; Enhanced oil-recovery
刊名：Journal of Non-Newtonian Fluid Mechanics
出版年：2016
出版时间：June 2016
年：2016
卷：232
期：Complete
页码：55-66
全文大小：2805 K

文摘

•: Critical Wi extended to Wi_crit = 5000+ via convoluted approach.
•: Three phases in upstream–downstream vortex-dynamics; high-Wi Moffatt vortices.
•: f-functional, Wi_crit and positive definiteness correlation.
•: Plateauing epd predictions at high-Wi.
•: Periodic boundary-condition implementation for consistent Wi = 5000+ solutions.

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