PIV measurements in a microfluidic 3D-sheathing structure with three-dimensional flow behaviour

Henning Klank, Goran Goranovic, Jörg Peter Kutter, Henrik Gjelstrup, J. Michelsen, C.H. Westergaard

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The design and production time for complex microfluidic systems is considerable, often up to several months. It is therefore important to be able to understand and predict the flow phenomena prior to design and fabrication of the microdevice in order to save costly fabrication resources. The structures are often of complex geometry and include strongly three-dimensional flow behaviour, which poses a challenge for the micro particle image velocimetry (micro-PIV) technique. The flow in a microfluidic 3D-sheathing structure has been measured throughout the volume using micro-PIV. In addition, a stereoscopic principle was applied to obtain all three velocity components, showing the feasibility of obtaining full volume mapping (x, y, z, U, V, W) from micro-PIV measurements. The results are compared with computational fluid dynamics (CFD) simulations.
Original languageEnglish
JournalJournal of Micromechanics and Microengineering
Volume12
Issue number6
Pages (from-to)862-869
ISSN0960-1317
Publication statusPublished - 2002

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