AbstractThis 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 behaviour and capture additional insights into the physics of the phenomenon, following from a delicate balance between counteracting buoyancy and surface tension-driven flows.


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    Titel :

    Natural and Marangoni convection in partially miscible liquid systems


    Beteiligte:
    Savino, R. (Autor:in) / Piccolo, C. (Autor:in) / Lappa, M. (Autor:in) / Carotenuto, L. (Autor:in)

    Erschienen in:

    Acta Astronautica ; 57 , 2-8 ; 89-96


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Natural and Marangoni convection in partially miscible liquid systems

    Savino, R. / Piccolo, C. / Lappa, M. et al. | British Library Conference Proceedings | 2005



    Marangoni convection in rotating liquid systems

    Bauer, Helmut F. / Deutschland, Bundeswehr, Bundesrepublik | TIBKAT | 1988


    Marangoni-convection in a spherical liquid system

    Bauer, Helmut F. / Eidel, Werner / Deutschland, Bundeswehr, Bundesrepublik | TIBKAT | 1986


    Marangoni-convection in a spherical liquid system

    Bauer, Helmut F. / Eidel, Werner | Elsevier | 1986