Laser-based measurement techniques for interfacial transport phenomena in microchannels

Koichi Hishida, Mitsuhisa Ichiyanagi, Yutaka Kazoe, Yohei Sato

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper summarized our recent works of the laser-based measurement techniques for investigating micro- and nano-scale transport phenomena. Micron-resolution particle image velocimetry combined with the laser induced fluorescence (LIF) technique was developed for analyzing velocity and ion concentration distributions simultaneously. The measurement system was based upon a confocal microscopy to realize the depth-resolution of approximately 2 μm, and this technique was applied to liquid-liquid mixing flows, gas-liquid two-phase flows and gas permeation phenomena through membranes. To evaluate the electrostatic potential at solid-liquid interface (i.e., zeta-potential), the LIF technique was advanced with the evanescent wave illumination. Fluorescent dye within approximately 100 nm from a microchannel wall was irradiated. This technique was applied to microdevices with a surface modification pattern, and the zeta-potential distribution was successfully visualized. Two proposed techniques will contribute to novel applications related to microscale multiphase flows or electrokinetics.

Original languageEnglish
Title of host publicationASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013
DOIs
Publication statusPublished - 2013
EventASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013 - Sapporo, Japan
Duration: 2013 Jun 162013 Jun 19

Other

OtherASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013
CountryJapan
CitySapporo
Period13/6/1613/6/19

Fingerprint

Transport Phenomena
Microchannel
Measurement Techniques
Microchannels
Laser
Lasers
Liquids
Zeta potential
Laser-induced Fluorescence
Liquid
Gases
Fluorescence
Confocal microscopy
Multiphase flow
Evanescent Wave
Surface Modification
Confocal Microscopy
Fluorescent Dyes
Permeation
Two phase flow

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Process Chemistry and Technology
  • Modelling and Simulation

Cite this

Hishida, K., Ichiyanagi, M., Kazoe, Y., & Sato, Y. (2013). Laser-based measurement techniques for interfacial transport phenomena in microchannels. In ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013 [V001T15A001] https://doi.org/10.1115/ICNMM2013-73223

Laser-based measurement techniques for interfacial transport phenomena in microchannels. / Hishida, Koichi; Ichiyanagi, Mitsuhisa; Kazoe, Yutaka; Sato, Yohei.

ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013. 2013. V001T15A001.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hishida, K, Ichiyanagi, M, Kazoe, Y & Sato, Y 2013, Laser-based measurement techniques for interfacial transport phenomena in microchannels. in ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013., V001T15A001, ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013, Sapporo, Japan, 13/6/16. https://doi.org/10.1115/ICNMM2013-73223
Hishida K, Ichiyanagi M, Kazoe Y, Sato Y. Laser-based measurement techniques for interfacial transport phenomena in microchannels. In ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013. 2013. V001T15A001 https://doi.org/10.1115/ICNMM2013-73223
Hishida, Koichi ; Ichiyanagi, Mitsuhisa ; Kazoe, Yutaka ; Sato, Yohei. / Laser-based measurement techniques for interfacial transport phenomena in microchannels. ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013. 2013.
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