2003
DOI: 10.1002/fld.470
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Numerical simulation of thermo‐solutal‐capillary migration of a dissolving drop in a cavity

Abstract: SUMMARYIn the present paper the thermo-solutal-capillary migration of a dissolving liquid drop, composed by a binary mixture having a miscibility gap, injected in a closed cavity with di erentially heated end walls, is studied. The main goal of the analysis is to clarify if and how the drop migration is a ected by the dissolution process. The numerical code is based on a ÿnite volume formulation. A level-set technique is used for describing the dynamics of the interface separating the di erent phases. A thermo… Show more

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Cited by 23 publications
(29 citation statements)
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“…The planar or cylindrical droplet/bubble as a simple model has been extensively used to study its dynamical mechanism [31][32][33]. In this paper, we use the front-tracking method to numerically study the thermocapillary migration of a non-deformable planar droplet in the liquids at moderate and large Ma numbers and analyze in detail the relation of the migration velocity to the temperature distribution inside and outside the droplet.…”
Section: Introductionmentioning
confidence: 99%
“…The planar or cylindrical droplet/bubble as a simple model has been extensively used to study its dynamical mechanism [31][32][33]. In this paper, we use the front-tracking method to numerically study the thermocapillary migration of a non-deformable planar droplet in the liquids at moderate and large Ma numbers and analyze in detail the relation of the migration velocity to the temperature distribution inside and outside the droplet.…”
Section: Introductionmentioning
confidence: 99%
“…It is noteworthy that in the present paper both tangential stresses and mass ow through the interface are considered. A previously developed and tested algorithm [4], able to resolving the concentration interface singularity and evaluating the interface cross-ow, is used for the mass fraction equation. Numerical simulations show that the concentration singularity is quite well resolved also in this axis-symmetric case.…”
Section: Discussionmentioning
confidence: 99%
“…The present problem was already studied in a planar 2D geometry see for example in References [2][3][4]. In the present paper the previous code is extended to treat 2D axissymmetric problems.…”
Section: Numerical Modelling Upgradementioning
confidence: 98%
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