Micro Process Technology and Novel Process Windows –Three Intensification Fields Svetlana Borukhova and Volker Hessel - Process Intensification for Green Chemistry - page 96

Figure 4.1 (a) Mixing efficiency ranging with Re calculated for liquid mixing (square legends
D¼210 7 m 2 / s; diamond legends D¼110 6 m 2 / s). (b) Streamlines at the entrance of the
mixing channel (a-c) corresponding to stratified (Re¼12), vortex (Re¼80) and engulfment
flow (Re¼240), respectively (courtesy of Elsevier B.V.) [59].
the flow rates, which induces vortex formation. Figure 4.1a demonstrates the numerical
results of mixing efficiency with increasing Re. Two streams get entangled in the so-called
intertwining flow regime at high Re (see Figure 4.1b) [59].
ParallelLamination. Furtherdecrease in thediffusion lengthand increase in interfacial area
can be achieved when incoming streams are split into two for n number of times and then