Research
| Bubble-driven micro-rotor (click and if necessary hit refresh to see it turning) |
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| Breakup and corona formation during microdroplet impact on a microsphere (click and if necessary hit refresh to see it happening) |
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| High-speed
Visualization (Explosion of a water filled balloon; Spinning of pen; Impact of a nut on water and free fall; Impact of water filled glove on solid surface) |
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(A) Simulation of the evaporation of a nanoliter water drop on a heated fused silica substrate at 82oC. Marangoni effect neglected. (B) Microstreaming in three 100μm channels separated by 100μm and actuated by 20kHz |
(A) |
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(A) Formation of a 1 nl drop from a 50 μm nozzle. (B) Dispense of individual
drops by repeating the pulse at a (C) Drop transport by viscous drag (D) Digital control of drop volume (E) Merging and mixing of two different reagents (F) 'Mickey mouse' dispense, where two drops of small volume are generated simultaneously by a single pulse |
(A)
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(A)
Simulation of the evaporation of a 3.7 nL colloidal water drop on glass
with ring formation.
(B) Simulation of the evaporation of a 38 nL colloidal isopropanol drop on PDMS with homogeneous bump formation. (C) Particle visualization in the evaporating 38 nL isopropanol drop on PDMS using fluorescent microscopy. |
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