Dynamics of suspended colloidal particles near a wall: Implications for interfacial particle velocimetry

M. Yoda, Y. Kazoe

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Interfacial transport due to surface forces is significant in many microfluidic devices with their relatively large surface areas and small volumes. Recently, velocimetry methods where evanescent waves illuminate fluorescent particles less than 1 μm in radius have been used to obtain fluid velocities within 500 nm or less of the wall. This review considers some of the phenomena affecting the dynamics of suspended colloidal particles near a wall. The measurement of interfacial flow velocities using such particles as tracers, illustrated by studies of Poiseuille and electrokinetically driven flows, is then discussed.

Original languageEnglish
Article number111301
JournalPhysics of Fluids
Volume23
Issue number11
DOIs
Publication statusPublished - 2011 Nov 29
Externally publishedYes

ASJC Scopus subject areas

  • Computational Mechanics
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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