Výsledky vyhledávání - "Pablo D. Ravazzoli"

Buoyancy and capillary effects on floating liquid lenses

Autor: H. A. Stone, Javier A. Diez, Alejandro G. González, Pablo D. Ravazzoli

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We study the equilibrium shape of a liquid drop resting on top of a liquid surface, i.e., a floating lens. We consider the surface tension forces in non--wetting situations (negative spreading factor), as well as the effects of gravity. We obtain ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::746ff34e58e6e9eedf87433fa5869062
https://link.aps.org/doi/10.1103/PhysRevFluids.5.073604

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Contact-angle-hysteresis effects on a drop sitting on an incline plane

Autor: Pablo D. Ravazzoli, Javier A. Diez, Alejandro G. González, Ingrith Cuellar

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We study the contact angle hysteresis and morphology changes of a liquid drop sitting on a solid substrate inclined with respect to the horizontal at an angle $\alpha$. This one is always smaller than the critical one, $\alpha_{crit}$, above which th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fba88995d190bf50e52bc37c89c4425
https://pubmed.ncbi.nlm.nih.gov/31108712

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Self-assembly of a drop pattern from a two-dimensional grid of nanometric metallic filaments

Autor: Ingrith Cuellar, Pablo D. Ravazzoli, Nicholas A. Roberts, Jason D. Fowlkes, Alejandro G. González, Javier A. Diez, Lou Kondic, Philip D. Rack

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We report experiments, modeling, and numerical simulations of the self-assembly of particle patterns obtained from a nanometric metallic square grid. Initially, nickel filaments of rectangular cross section are patterned on a SiO2 flat surface, and t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8951ee10dd727fe6cc3dbe0c61ec821

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Wetting and dewetting processes in the axial retraction of liquid filaments

Autor: Javier A. Diez, Pablo D. Ravazzoli, Ingrith Cuellar, Alejandro G. González

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We study the hydrodynamic mechanisms involved in the motion of the contact line formed at the end region of a liquid filament laying on a planar and horizontal substrate. Since the flow develops under partially wetting conditions, the tip of the fila

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::034019307b0930405ad636bddfe46931

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Drops with non-circular footprints

Autor: Javier A. Diez, Alejandro G. González, Pablo D. Ravazzoli

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

In this paper we study the morphology of drops formed on partially wetting substrates, whose footprint is not circular. These drops are consequence of the breakup processes occurring in thin films when anisotropic contact line motions take place. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d67db09dbcf9f02ba1438d3bbe52de80
https://aip.scitation.org/doi/10.1063/1.4944851

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