title: Self-propelled motion of a fluid droplet under chemical reaction.
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.
authors.affiliation: Department of Physics, Kyoto University, Kyoto 606-8502, Japan. yabunaka@scphys.kyoto-u.ac.jp
authors.forename: S
authors.initials: S
authors.lastname: Yabunaka
authors.forename: T
authors.initials: T
authors.lastname: Ohta
authors.forename: N
authors.initials: N
authors.lastname: Yoshinaga