Measured flow-fields using micro-PIV for moving micro-droplet driven by Marangoni effect

I-Da Yang, Yuan-Tai Tseng, Fan-Gang Tseng, Ching-Chang Chieng

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Present works measure the velocity field within the 1μl droplet using Micro-resolution Particle Image Velocimetry (μ-PIV) and compare the measured flowfields with the computed ones using first principle equations. The fluorescent images of the seeded particles (polystyrene of 7 μm) inside the moving droplets are obtained by μ-PIV. The thermal chip fabricated using MEMS technology is served as the solid surface for the droplet moving. The velocity vector plots of two cutting planes parallel to solid surfaces are obtained by μ-PIV and they serves as the bases for comparison of three-dimensional flow fields from numerical computations.
Original languageEnglish
Pages (from-to)313-320
JournalJournal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
Volume27
Issue number3
Publication statusPublished - Jun 2006
Externally publishedYes

Research Keywords

  • Maragoni effect
  • Micro-PIV
  • Microdroplet
  • Transient flowfield measurement

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