Natural and Marangoni convection in partially miscible liquid systems

Chiara  Piccolo; Marcello Lappa; Luigi  Carotenuto; Raffaele Savino

Natural and Marangoni convection in partially miscible liquid systems

Chiara Piccolo, Marcello Lappa, Luigi Carotenuto, Raffaele Savino

Mechanical And Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

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Abstract

This article deals with laboratory experiments and numerical simulations of convection and dissolution phenomena in partially miscible liquids. Transparent organic liquids (Cyclohexane and Methanol) are considered as a model system to study problems occurring during solidification of metal alloys with a miscibility gap. Non invasive optical techniques are used to study stable and unstable convective solutal plumes, that are produced at the tip of a liquid droplet dissolving in a non isothermal partially miscible liquid. Numerical simulations explain the observed behavior and capture additional insights into the physics of the phenomenon, following from a delicate balance between counteracting buoyancy and surface tension-driven flows.

Original language	English
Title of host publication	55th Congress of the International Astronautical Federation, Vancouver, Canada, Oct. 4-8, 2004
Pages	4817-4827
Number of pages	11
Volume	7
Publication status	Published - 8 Oct 2004
Event	55th International Astronautical Congress - Vancouver, Canada Duration: 4 Oct 2004 → 8 Oct 2004

Conference

Conference	55th International Astronautical Congress
Country/Territory	Canada
City	Vancouver
Period	4/10/04 → 8/10/04

Keywords

partially miscible liquid systems
Marangoni convection
natural convection
numerical simulations
dissolution phenomena

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55thIAF04-Vancouver-Canada-(2004)Other version, 1.1 MB

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@inproceedings{aa6b0a2f9a4543a09bd570ce898d60f8,

title = "Natural and Marangoni convection in partially miscible liquid systems",

abstract = "This article deals with laboratory experiments and numerical simulations of convection and dissolution phenomena in partially miscible liquids. Transparent organic liquids (Cyclohexane and Methanol) are considered as a model system to study problems occurring during solidification of metal alloys with a miscibility gap. Non invasive optical techniques are used to study stable and unstable convective solutal plumes, that are produced at the tip of a liquid droplet dissolving in a non isothermal partially miscible liquid. Numerical simulations explain the observed behavior and capture additional insights into the physics of the phenomenon, following from a delicate balance between counteracting buoyancy and surface tension-driven flows.",

keywords = "partially miscible liquid systems, Marangoni convection, natural convection, numerical simulations, dissolution phenomena",

author = "Chiara Piccolo and Marcello Lappa and Luigi Carotenuto and Raffaele Savino",

year = "2004",

month = oct,

day = "8",

language = "English",

isbn = "1995-6258",

volume = "7",

pages = "4817--4827 ",

booktitle = "55th Congress of the International Astronautical Federation, Vancouver, Canada, Oct. 4-8, 2004",

note = "55th International Astronautical Congress ; Conference date: 04-10-2004 Through 08-10-2004",

}

TY - GEN

T1 - Natural and Marangoni convection in partially miscible liquid systems

AU - Piccolo, Chiara

AU - Lappa, Marcello

AU - Carotenuto, Luigi

AU - Savino, Raffaele

PY - 2004/10/8

Y1 - 2004/10/8

N2 - This article deals with laboratory experiments and numerical simulations of convection and dissolution phenomena in partially miscible liquids. Transparent organic liquids (Cyclohexane and Methanol) are considered as a model system to study problems occurring during solidification of metal alloys with a miscibility gap. Non invasive optical techniques are used to study stable and unstable convective solutal plumes, that are produced at the tip of a liquid droplet dissolving in a non isothermal partially miscible liquid. Numerical simulations explain the observed behavior and capture additional insights into the physics of the phenomenon, following from a delicate balance between counteracting buoyancy and surface tension-driven flows.

AB - This article deals with laboratory experiments and numerical simulations of convection and dissolution phenomena in partially miscible liquids. Transparent organic liquids (Cyclohexane and Methanol) are considered as a model system to study problems occurring during solidification of metal alloys with a miscibility gap. Non invasive optical techniques are used to study stable and unstable convective solutal plumes, that are produced at the tip of a liquid droplet dissolving in a non isothermal partially miscible liquid. Numerical simulations explain the observed behavior and capture additional insights into the physics of the phenomenon, following from a delicate balance between counteracting buoyancy and surface tension-driven flows.

KW - partially miscible liquid systems

KW - Marangoni convection

KW - natural convection

KW - numerical simulations

KW - dissolution phenomena

M3 - Conference contribution book

SN - 1995-6258

VL - 7

SP - 4817

EP - 4827

BT - 55th Congress of the International Astronautical Federation, Vancouver, Canada, Oct. 4-8, 2004

T2 - 55th International Astronautical Congress

Y2 - 4 October 2004 through 8 October 2004

ER -

Natural and Marangoni convection in partially miscible liquid systems

Abstract

Conference

Keywords

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