Self-propelled motion of a fluid droplet under chemical reaction

S. Yabunaka, T. Ohta, N. Yoshinaga

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

We study self-propelled dynamics of a droplet due to a Marangoni effect and chemical reactions in a binary fluid with a dilute third component of chemical product which affects the interfacial energy of a droplet. The equation for the migration velocity of the center of mass of a droplet is derived in the limit of an infinitesimally thin interface. We found that there is a bifurcation from a motionless state to a propagating state of droplet by changing the strength of the Marangoni effect.

Original languageEnglish
Article number074904
JournalJournal of Chemical Physics
Volume136
Issue number7
DOIs
Publication statusPublished - Feb 21 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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