Influences of Fluidic Interfaces on the Formation of Fine Scale Structure by Chaotic Mixing

[+] Author and Article Information
D. F. Zhang, D. A. Zumbrunnen

Thermal and Fluid Sciences Research Laboratory, School of Mechanical and Industrial Engineering, Clemson University, Clemson, SC 29634-0921

J. Fluids Eng 118(1), 40-47 (Mar 01, 1996) (8 pages) doi:10.1115/1.2817508 History: Received December 10, 1994; Revised November 06, 1995; Online December 04, 2007


A numerical model has been developed of two-dimensional chaotic mixing of immiscieble Newtonian fluids. A computationally efficient numerical methodology is employed which is well-suited to complex, evolving interfaces. Mixing was confined to a rectangular cavity with periodically driven upper and lower surfaces. Interfacial forces and the transient flow fields in each phase were considered to assess specifically the influences on interfacial morphology of interfacial tension and phase viscosity ratio under creeping flow conditions. Predicted morphologies are compared to those of solidified specimens synthesized by chaotic mixing in companion studies.

Copyright © 1996 by The American Society of Mechanical Engineers
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