We have uncovered a drop rebound regime, characteristic of highly viscous liquids impacting tilted sublimating surfaces. Here the drops, rather than showing a slide, spread, recoil, and rebound behavior, exhibit a prompt tumbling rebound. As a result, glycerol surprisingly rebounds faster than three orders of magnitude less viscous water. When a viscous drop impacts a sublimating surface, part of its initial linear momentum is converted into angular momentum: Lattice Boltzmann simulations confirmed that tumbling owes its appearance to the rapid transition of the internal angular velocity prior to rebound to a constant value, as in a tumbling solid body.

Antonini, C., Jung, S., Wetzel, A., Heer, E., Schoch, P., Moqaddam, A., et al. (2016). Contactless prompt tumbling rebound of drops from a sublimating slope. PHYSICAL REVIEW FLUIDS, 1(1) [10.1103/PhysRevFluids.1.013903].

Contactless prompt tumbling rebound of drops from a sublimating slope

Antonini, C
;
2016

Abstract

We have uncovered a drop rebound regime, characteristic of highly viscous liquids impacting tilted sublimating surfaces. Here the drops, rather than showing a slide, spread, recoil, and rebound behavior, exhibit a prompt tumbling rebound. As a result, glycerol surprisingly rebounds faster than three orders of magnitude less viscous water. When a viscous drop impacts a sublimating surface, part of its initial linear momentum is converted into angular momentum: Lattice Boltzmann simulations confirmed that tumbling owes its appearance to the rapid transition of the internal angular velocity prior to rebound to a constant value, as in a tumbling solid body.
Articolo in rivista - Articolo scientifico
sublimating surface, drop levitation
English
2016
1
1
013903
reserved
Antonini, C., Jung, S., Wetzel, A., Heer, E., Schoch, P., Moqaddam, A., et al. (2016). Contactless prompt tumbling rebound of drops from a sublimating slope. PHYSICAL REVIEW FLUIDS, 1(1) [10.1103/PhysRevFluids.1.013903].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/222191
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