EHD Heat Exchanger and Chemical Reactors

  • Antonio Castellanos
Conference paper
Part of the International Centre for Mechanical Sciences book series (CISM, volume 380)


The application of high voltage electric field to enhance the rate of mass transfer in liquid-liquid extraction has been an active subject of investigation for past 25 years. Among the large amount of published work, there have been several review papers and short articles which have summarized most of the work having been done to date (Thornton, 1968; Scott, 1989; Weatherley, 1992; Ptasinski and Kerkhof, 1992). The general idea of directly using an electric field to improve the performance of mass transfer in liquid-liquid extraction was initially described by Stewart and Thornton (1967). The improvement of interfacial mass transfer may be achieved in several ways due to the additional electrohydrodynamic (EHD) forces on the droplet-continuum interface: (1) reducing the effective interfacial tension; (2) increasing interfacial area for mass transfer and (3) enhancing interfacial disturbance and drop circulation.


Mass Transfer Coefficient Heat Pipe Heat Transfer Enhancement Drop Size Drop Formation 
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Copyright information

© Springer-Verlag Wien 1998

Authors and Affiliations

  • Antonio Castellanos
    • 1
  1. 1.University of SevillaSpain

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