Published May 5, 2020 | Version v1
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The imbibition experiments in 2D and 2.5D multilayer micromodels

  • 1. Department of Mechanical Engineering, National Central University, Taoyuan City 32001, Taiwan. 3National Chiao Tung University
  • 2. Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 10617, Taiwan.
  • 3. Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, Lublin, 20-290, Poland
  • 1. Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 10617, Taiwan
  • 2. Department of Mechanical Engineering, National Central University, Taoyuan City 32001, Taiwan
  • 3. Department of Mechanical Engineering, National Central University, Taoyuan City 32001, Taiwan.
  • 4. Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, Lublin, 20-290, Poland

Description

We performed a series of imbibition experiments to examine air entrapment in 2 and 2.5 D micromodels whose pore structures were made by stacking 160-μm thick Cyclic Block Copolymer films, into which pores were engraved with a desktop micromiller. The 2D micromodels consisting of n CBC layers with the same pore structure were termed “2D-n-layer”.  The 2.5D micromodels consisting of n CBC layers with non-uniform pore structures were termed “2.5D-n-layer”.

The "mp4" files show those imbibition experiments. The file names refer to the "model"-"injection rate"-"playback speed". For instance, "2_5D-8-layer-3ul_min_32x.mp4" means 2.5D-8-layer micromodel, 3 ul/min of injection rate, and 32 times of playback speed.

The "gif" files show the thickness of the wetting phase indicated by colors (thicker one indicated by a lighter color).

Files

2.5D-4-layer.gif

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