A study on micromixing process utilizing gas-liquid free interface

Naoki Ono, Tsuyoshi Suzumura

Research output: Contribution to journalArticle

1 Citation (Scopus)


We propose a new micromixing process utilizing gas-liquid free interface. This new process enhances mixing by narrowing and winding flow due to the existence of bubbles. Moreover, because shear stress does not work on gas-liquid free interface, this process will reduce pressure drop. Through flow experiment and CFD analysis, we compared the mixing performance of the new micromixer with that of conventional Y flow micromixer. The experimental result proved that the new micromixer can promote more mixing than Y flow micromixer. Furthermore, the CFD analysis revealed that the new micromixer can reduce pressure drop.

Original languageEnglish
Pages (from-to)1700-1706
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Issue number8
Publication statusPublished - 2008 Aug 1



  • CFD
  • Gas-liquid free interface
  • Micromixer
  • Pressure drop

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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