Flow regimes of gas-liquid mixture in the channels of microfluidic devices by use of mixers (disperser) with coaxial and coaxial-spherical shapes

This article describes the results of an experimental study of the hydrodynamic modes of two phase flows in microreactor mixers - dispersers with coaxial and coaxial-spherical shapes. The maps of flow regimes in a channel with a diameter of 2 mm equipped with such mixers has been plotted and rebuild. Corrected map which takes into account geometrical properties of coaxial-spherical mixer (disperser) coincides quite good with the same for the coaxial mixer. The results obtained here are compared with data from previous studies of classical mixers.