Mixed buoyant-Marangoni convection due to dissolution of a droplet in a liquid-liquid system with miscibility gap

Marcello Lappa, Chiara Piccolo, Luigi Carotenuto

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Fluid flows occurring during solidification of metal alloys influence the composition and the properties of the final solid. Transport phenomena for this process are investigated using a model system: a dissolving drop inside a surrounding liquid under a thermal gradient. Experiments are performed with transparent organic liquids with miscibility gap. Novel mathematical models and numerical strategies are presented to correlate experimental results and in particular to explain the behaviour of stable and unstable solutal plumes that are formed above the dissolving droplet.
LanguageEnglish
Pages781-794
Number of pages14
JournalEuropean Journal of Mechanics - B/Fluids
Volume23
Issue number5
DOIs
Publication statusPublished - Oct 2004

Fingerprint

Marangoni Convection
Marangoni convection
Mixed Convection
miscibility gap
Dissolution
Droplet
dissolving
Liquid
Transport Phenomena
organic liquids
Solidification
liquids
Correlate
solidification
fluid flow
plumes
Fluid Flow
mathematical models
Metals
Unstable

Keywords

  • dissolution process
  • miscibility gap
  • Marangoni convection
  • buoyancy convection
  • liquid–liquid systems
  • mathematical models
  • numerical strategies

Cite this

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title = "Mixed buoyant-Marangoni convection due to dissolution of a droplet in a liquid-liquid system with miscibility gap",
abstract = "Fluid flows occurring during solidification of metal alloys influence the composition and the properties of the final solid. Transport phenomena for this process are investigated using a model system: a dissolving drop inside a surrounding liquid under a thermal gradient. Experiments are performed with transparent organic liquids with miscibility gap. Novel mathematical models and numerical strategies are presented to correlate experimental results and in particular to explain the behaviour of stable and unstable solutal plumes that are formed above the dissolving droplet.",
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Mixed buoyant-Marangoni convection due to dissolution of a droplet in a liquid-liquid system with miscibility gap. / Lappa, Marcello; Piccolo, Chiara ; Carotenuto, Luigi .

In: European Journal of Mechanics - B/Fluids, Vol. 23, No. 5, 10.2004, p. 781-794.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Lappa, Marcello

AU - Piccolo, Chiara

AU - Carotenuto, Luigi

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AB - Fluid flows occurring during solidification of metal alloys influence the composition and the properties of the final solid. Transport phenomena for this process are investigated using a model system: a dissolving drop inside a surrounding liquid under a thermal gradient. Experiments are performed with transparent organic liquids with miscibility gap. Novel mathematical models and numerical strategies are presented to correlate experimental results and in particular to explain the behaviour of stable and unstable solutal plumes that are formed above the dissolving droplet.

KW - dissolution process

KW - miscibility gap

KW - Marangoni convection

KW - buoyancy convection

KW - liquid–liquid systems

KW - mathematical models

KW - numerical strategies

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DO - 10.1016/j.euromechflu.2004.02.001

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T2 - European Journal of Mechanics - B/Fluids

JF - European Journal of Mechanics - B/Fluids

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