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Effective diffusion coefficient including the Marangoni effect
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DOI：10.1063/1.5021502.png)
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Abstract
En 中文
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. Published by AIP Publishing.
Keywords:
SELF-MOTION
CAMPHOR
DYNAMICS
DRIVEN
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