Science Advances

Supplementary Materials

The PDF file includes:

  • Section S1. Mobile and immobile liquid interfaces
  • Section S2. Experimental details
  • Section S3. Bubble and droplet terminal rise velocity
  • Section S4. Drainage time experiments details
  • Section S5. Gerris DNS
  • Fig. S1. Experimental setup and schematics.
  • Fig. S2. Rise velocity for spherical bubbles and droplets.
  • Fig. S3. Rise velocity for larger bubbles.
  • Fig. S4. Computational domain and adaptive mesh.
  • Fig. S5. Comparison between experiment and simulation.
  • Legends for movies S1 to S11

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mov format). This combined movie shows the bouncing of a bubble of 480 μm undeformed diameter from the free PP1-air interface (left) or the PP1–water solution interface (right) of equal deformability.
  • Movie S2 (.mov format). This combined movie shows the bouncing of a 1080-μm water solution droplet from the PP1-air interface (left side) or the PP1–water solution interface (right side) of equal deformability.
  • Movie S3 (.mov format). This movie compares experiment (left) with simulation result (right) for the bouncing of a 480–μm–undeformed-diameter bubble from the free PP1-air interface.
  • Movie S4 (.mov format). This movie compares experiment (left) with simulation result (right) for the bouncing of a 480–μm–undeformed-diameter bubble from the PP1–water solution interface.
  • Movie S5 (.mov format). This movie compares experiment (left) with simulation (right) for the bouncing of a 1080–μm–undeformed-diameter water solution droplet from the PP1–water solution interface.
  • Movie S6 (.mov format). This movie compares experiment (left) with simulation (right) for the bouncing of a 1080–μm–undeformed-diameter water solution droplet from the free PP1-air interface.
  • Movie S7 (.mov format). This movie compares experiment (left) for the bouncing of a bubble of 480 μm undeformed diameter free-rising in PP1 from a flat glass surface with simulation for the bubble bounce from no-slip solid flat (middle) or a free-slip solid flat (right).
  • Movie S8 (.mov format). This movie compares experiment (left) for the bouncing of a water-glycerol mixture droplet of 1550 μm undeformed diameter free-rising in PP1 from a flat glass surface with simulation for the droplet bounce from no-slip solid flat (middle) or a free-slip solid flat (right).
  • Movie S9 (.mov format). Simulation for the collision of the two pure water droplets of 1.2 mm undeformed diameter in PP1 for the case of low-mobility water droplets (10× water viscosity, the upper pair) or high-mobility water droplets (1× water viscosity, the lower pair).
  • Movie S10 (.mov format). Simulation for the collision of the two pure water droplets of 1.2 mm undeformed diameter in PP1 for the case of low-mobility water droplets (10× water viscosity, the upper pair) or high-mobility water droplets (1× water viscosity, the lower pair).
  • Movie S11 (.mov format). Velocity field visualization in the simulation of the collision of the two 1.2-mm pure water droplets in PP1 of low surface mobility with gravity switched off at 2R droplet separation (movie S10, top droplet pair case).

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