Overview
A03 investigates forced dewetting phenomena, development of instabilities and emergence of the cavitation in a fast stretching liquid bridge formed between two solid substrates. The study is performed using an experimental setup which provides a controlled, constant acceleration of one of the plates.
Special focus is on
- the effects of rheologically complex liquids (suspensions, polymer dispersions, real ink fluids)
- the influence of thermal effects, and
- the effects of accelerated substrates.
The methods and models developed for Newtonian fluids in the first funding period will be generalized and further developed for complex cases.
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Sketch of the experimental setup for the application of the laser-induced fluorescence (LIF) technique to observe the bridge expansion test with suspensions and complex fluids -
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Side view of the liquid bridge expansion (5µl, glycerine-water mixture with 50wt.%) at an acceleration of 180 m/s² -
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Residual liquid spot during stretching of a suspension liquid bridge with 33 wt% particle content
- Go to picture 1
- Go to picture 2
- Go to picture 3
Team
| Name | Contact | |
|---|---|---|
| Apl. Prof. Dr. Ilia Roisman | roisman@sla.tu-... +49 6151 16-22173 L2|06 312 |
| Philipp Brockmann M.Sc. | brockmann@sla.tu-... +49 6151 16-22184 W1|01 8 |
Associated members
| Name | Contact | |
|---|---|---|
| Mohammad Abboud M.Sc. | abboud@sla.tu-... +49 6151 16-22182 W1|05 4 |
Publications and conference contritbutions
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