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    Breakup of multiple jets in immiscible liquid-liquid systems: A computational fluid dynamics study

    Access Status
    Fulltext not available
    Authors
    Pareek, Vishnu
    Parmar, Harisinh Bhikhubhai
    Phan, Chi
    Evans, G.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Pareek, V. and Parmar, H.B. and Phan, C. and Evans, G. 2011. Breakup of multiple jets in immiscible liquid-liquid systems: A computational fluid dynamics study, in IChemE (ed), Proceedings of Chemeca 2011: Engineering a better world Conference, Sep 18-21 2011, pp. 385-394. Sydney: Engineers Australia.
    Source Title
    Proceedings from Chemeca 2011
    Source Conference
    Chemeca 2011
    Additional URLs
    http://search.informit.com.au/documentSummary;dn=167518653816228;res=IELENG
    ISBN
    9780858259225
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/49156
    Collection
    • Curtin Research Publications
    Abstract

    Hydrodynamic behavior of immiscible liquid-liquid systems has great importance in many industrial operations such as mining, food, cosmetics and pharmaceuticals industries. This behavior governs jet formation and breakup, droplet formation and coalescence in emulsification. For successful emulsion applications, it is very important to generate small and uniform droplets to ensure product stability. In addition, the breakup of the jet increases the interfacial area and hence enhances efficiency of processes such as heat transfer, mass transfer and sometimes chemical reactions. In this study, the formation of droplets from multiple circular nozzles into an immiscible liquid was studied using computational fluid dynamics (CFD). The unsteady motion of the interface separating two immiscible fluids is followed by solving the Navier–Stokes equations for incompressible and Newtonian fluids with a volume of fluid (VOF) method. Most significantly, the interaction between neighboring jets was modelled for micro-jet condition.

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