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Title page for ETD etd-12052004-230748

Type of Document Master's Thesis
Author Cola, Baratunde Aole
Author's Email Address btunde@gmail.com
URN etd-12052004-230748
Title Optimization of a pulsed source-sink micromixing device
Degree Master of Science
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
Dr. Mark Stremler Committee Member
  • pulsed
  • stirring
  • microfluidics
  • mixing
  • chaotic advection
  • hybridization
  • sink
  • source
  • DNA
  • laminar
Date of Defense 2004-12-01
Availability unrestricted
The optimization of a pulsed source-sink micromixing device (PSSMD) is presented in this thesis. In particular the behavior of pulsed source-sink pairs activated to produce mixing in a thin rectangular chamber is characterized. The goals of this study are to numerically and experimentally characterize the mixing trends within the rectangular chamber throughout a range of pulse volumes, which are based on a percentage of the total chamber volume. This study seeks to establish a numerical model that gives useful information about the mixing in a ‘real-life’ pulsed source-sink system.

As part of this thesis the PSSMD is modified to provide improved structural integrity to the device, allowing for a more consistent chamber volume. The PSSMD is also modified to allow for easier assembly, faster setup, and more reliable experimentation.

As a result of the work done in this thesis, it is shown that the numerical model presented in this thesis provides useful information about the mixing behavior in a ‘real-life’ pulsed source-sink micromixing device, and it may be adequate in itself for the optimization of such a device.

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