Numerical modeling of capillary driven microfluidic flow
General Material Designation
[Thesis]
First Statement of Responsibility
Md Ashraful Islam
Subsequent Statement of Responsibility
Tong, Albert
.PUBLICATION, DISTRIBUTION, ETC
Name of Publisher, Distributor, etc.
The University of Texas at Arlington
Date of Publication, Distribution, etc.
2016
PHYSICAL DESCRIPTION
Specific Material Designation and Extent of Item
121
NOTES PERTAINING TO PUBLICATION, DISTRIBUTION, ETC.
Text of Note
Place of publication: United States, Ann Arbor; ISBN=978-1-369-63633-8
DISSERTATION (THESIS) NOTE
Dissertation or thesis details and type of degree
Ph.D.
Discipline of degree
Mechanical and Aerospace Engineering
Body granting the degree
The University of Texas at Arlington
Text preceding or following the note
2016
SUMMARY OR ABSTRACT
Text of Note
Capillary driven two dimensional axisymmetric and three dimensional asymmetric flow in various microfluidic applications have been modeled and analyzed numerically. The transient Navier-Stokes equations are solved using a finite-difference formulation with a two-step projection method on a fixed grid. The vapor-liquid interface of the micro-droplet is tracked by volume-of-fluid (VOF) and coupled level set and volume-of-fluid (CLSVOF) methods with the surface tension force determined by the continuum surface force (CSF) model. The static contact angle at the three phase contact line has been modeled using wall adhesion scheme within the CSF framework. The developed numerical method for capturing the microfluidic flow with free surface has been validated using well-established benchmark tests.
TOPICAL NAME USED AS SUBJECT
Chemistry; Mechanical engineering
UNCONTROLLED SUBJECT TERMS
Subject Term
Pure sciences;Applied sciences;Capillary actuation;Electrowetting-on-dielectrode;Electrowettting;Level set;Micro-fluidic flow;Open-plate electrowetting-on-dielectrode;Parallel-plate electrowetting-on-dielectrode;Pendant drop;Satellite drop;Volume of fluid