The flow in viscous Taylor droplets

PIV in microscopic two-phase flow

Doctoral thesis (2021)

Authors

UP Miessner Fluid Mechanics - Mechanical, Maritime and Materials Engineering
Research Group
Fluid Mechanics (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2021 UP Miessner
DOI
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https://doi.org/10.4233/uuid:19d23974-a28b-4061-901c-b92475afad0e
Pressure Taylor flow Taylor droplet ΜPIV Interface shape Rectangular microchannel Excess velocity Energy loss
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Published Date

2021

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Process and Energy

Research Group

Fluid Mechanics

Abstract

Digital microfluidics emerged and established over the last 20 years. The scope of applications ranges from pharmaceutical to biological, chemical and even thermal processes. The practical use of Taylor droplets as individual reaction chambers, mixing vessels or simply as transportation vehicles on process engineered microfluidic devices allows for precise control and process intensification of precious materials or sparse samples. Despite this widespread use of Taylor droplets, some of the fundamental physics of this flow have not been investigated experimentally.