JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Special Issue for Multiscale Multiphase Process Engineering (MMPE) 2011
Numerical Calculations of Pattern Formation of Compound Drops Detaching from a Compound Jet in a Co-Flowing Immiscible Fluid
Truong V. VuJohn C. WellsHideyuki TakakuraShunji HommaGretar Tryggvason
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2012 Volume 45 Issue 9 Pages 721-726

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Abstract

In this paper, we present a numerical investigation of various types of drops detaching from an axisymmetric, laminar compound jet of immiscible fluids. The compound jet flows in a co-flowing immiscible outer fluid. We use a front-tracking/finite difference method to track the unsteady evolution and breakup of the compound jet which is governed by the Navier–Stokes equations for incompressible and Newtonian fluids. Numerical results show that depending on flow parameters, the compound jet can break up into different types of drops: simple drops, single-core compound drops and multi-core compound drops.

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© 2012 The Society of Chemical Engineers, Japan
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