Group Title: 7th International Conference on Multiphase Flow - ICMF 2010 Proceedings
Title: 1.2.2 - Drop deformation in combined shear and pressure driven flow: simulation using DI-SPH scheme
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Permanent Link: http://ufdc.ufl.edu/UF00102023/00020
 Material Information
Title: 1.2.2 - Drop deformation in combined shear and pressure driven flow: simulation using DI-SPH scheme Particle Bubble and Drop Dynamics
Series Title: 7th International Conference on Multiphase Flow - ICMF 2010 Proceedings
Physical Description: Conference Papers
Creator: Das, A.K.
Das, P.K.
Publisher: International Conference on Multiphase Flow (ICMF)
Publication Date: June 4, 2010
 Subjects
Subject: drop
pressure driven flow
shear flow
smoothed particle hydrodynamics
 Notes
Abstract: A hybrid diffuse interface- smoothed particle hydrodynamics model is employed to simulate a 3D immiscible drop under the combined effect of shear and pressure driven flow. The phenomenon is characterized by the centerline velocity of the matrix (Uc), shear rate (β) and channel width (H). A wider range of parametric variation has been considered to investigate the relative effect of shear and pressure gradient on drop deformation. Buoyancy force is considered to be negligible. Numerical results show that spherical droplet takes up an asymmetric elongated shape depending on the centerline velocity of the pressure driven flow and the strength of the shear field. Drop becomes more asymmetric as the strength of the shear field increases. At a very low strength of shear field on a small drop, asymmetry is not dominant rather the drop gets transported through the conduit without any deformation. Breakup of drop into two unequal lobes is also observed during simulation when the shear field greatly dominates over the pressure gradient. Effort has been made to separate out the conducive situations for drop breakup and predict the ratio of daughter drops depending on Uc and β.
General Note: The International Conference on Multiphase Flow (ICMF) first was held in Tsukuba, Japan in 1991 and the second ICMF took place in Kyoto, Japan in 1995. During this conference, it was decided to establish an International Governing Board which oversees the major aspects of the conference and makes decisions about future conference locations. Due to the great importance of the field, it was furthermore decided to hold the conference every three years successively in Asia including Australia, Europe including Africa, Russia and the Near East and America. Hence, ICMF 1998 was held in Lyon, France, ICMF 2001 in New Orleans, USA, ICMF 2004 in Yokohama, Japan, and ICMF 2007 in Leipzig, Germany. ICMF-2010 is devoted to all aspects of Multiphase Flow. Researchers from all over the world gathered in order to introduce their recent advances in the field and thereby promote the exchange of new ideas, results and techniques. The conference is a key event in Multiphase Flow and supports the advancement of science in this very important field. The major research topics relevant for the conference are as follows: Bio-Fluid Dynamics; Boiling; Bubbly Flows; Cavitation; Colloidal and Suspension Dynamics; Collision, Agglomeration and Breakup; Computational Techniques for Multiphase Flows; Droplet Flows; Environmental and Geophysical Flows; Experimental Methods for Multiphase Flows; Fluidized and Circulating Fluidized Beds; Fluid Structure Interactions; Granular Media; Industrial Applications; Instabilities; Interfacial Flows; Micro and Nano-Scale Multiphase Flows; Microgravity in Two-Phase Flow; Multiphase Flows with Heat and Mass Transfer; Non-Newtonian Multiphase Flows; Particle-Laden Flows; Particle, Bubble and Drop Dynamics; Reactive Multiphase Flows
 Record Information
Bibliographic ID: UF00102023
Volume ID: VID00020
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: 122-Das-ICMF2010.pdf

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