Effective diffusion coefficient including the Marangoni effect

Hiroyuki Kitahata, Natsuhiko Yoshinaga

研究成果: Article査読

21 被引用数 (Scopus)

抄録

Surface-active molecules supplied from a particle fixed at the water surface create a spatial gradient of the molecule concentration, resulting in Marangoni convection. Convective flow transports the molecules far from the particle, enhancing diffusion. We analytically derive the effective diffusion coefficient associated with the Marangoni convection rolls. The resulting estimated effective diffusion coefficient is consistent with our numerical results and the apparent diffusion coefficient measured in experiments.

本文言語English
論文番号134906
ジャーナルJournal of Chemical Physics
148
13
DOI
出版ステータスPublished - 2018 4 7

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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