Open-channel microfluidics : fundamentals and applications
Author(s)
Bibliographic Information
Open-channel microfluidics : fundamentals and applications
（IOP concise physics）
Morgan & Claypool, c2019
- : pbk
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"A Morgan & Claypool publication as part of IOP Concise Physics"--T.p. verso
"IOP ebooks"--Cover
Description and Table of Contents
Description
Open microfluidics, the study of microflows having a boundary with surrounding air, encompasses different aspects such as paper or thread-based microfluidics, droplet microfluidics and open-channel microfluidics.
Open-channel microflow is a flow at the micro-scale, guided by solid structures, and having at least a free boundary (with air or vapor) other than the advancing meniscus. This book is devoted to the study of open-channel microfluidics which (contrary to paper or thread or droplet microfluidics) is still very sparsely documented, but bears many new applications in biology, biotechnology, medicine, material and space sciences. Capillarity being the principal force triggering an open microflow, the principles of capillarity are first recalled. The onset of open-channel microflow is next analyzed and the fundamental notion of generalized Cassie angle (the apparent contact angle which accounts for the presence of air) is presented. The theory of the dynamics of open-channel microflows is then developed, using the notion of averaged friction length which accounts for the presence of air along the boundaries of the flow domain. Different channel morphologies are studied and geometrical features such as valves and capillary pumps are examined. An introduction to two-phase open-channel microflows is also presented showing that immiscible plugs can be transported by an open-channel flow. Finally, a selection of interesting applications in the domains of space, materials, medicine and biology is presented, showing the potentialities of open-channel microfluidics.
Table of Contents
Foreword
Acknowledgments
Author biographies
Nomenclature
Introduction: open-channel microfluidics and open microfluidics
Capillarity theoretical basis
Condition for capillary flow in open channels
Flow dynamics in open channels
Open-channel geometries
Capillary filaments
Two-phase open-channel capillary flows
Applications
Epilog
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