基盤との接触角度の大きい液滴の乾燥過程における流動の解析(対流(2),一般講演)

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概要

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• In the drying and stain formation process of polymer solution droplets on substrates, coupling effects of contact line receding, surface skin formation by viscosity change, gelation of contact line (self-pinning) and outward flow in a droplet, are important. Here, we have made the finite element simulation for a drying polymer solution droplet having 90 degree contact angle on a substrate using ALE (Arbitrary-Lagrangian-Eulerian) moving boundary method with experimentally measured rheological and transformation properties of polystyrene/anisole polymer solution and solved the contact line receding, outward flow by surface tension, solute distribution, and the buckling of a surface skin in comparison with experimental results.

• 2007-08-06

著者

• 山上 達也

  東大院工・物工

関連論文

• 基盤との接触角度の大きい液滴の乾燥過程における流動の解析(対流(2),一般講演)

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