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Characteristics of liquids lugs in gas–liquid Taylor flow in microchannels

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Academic year: 2021

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Figure

Fig. 1. Schematic diagram of the T-junction microchannel (left) and the topology of the curved (center) and right-angled (right) meandering microchannels.
Fig. 2. (a) Extraction of a relative velocity profile (from the micro-PIV velocity field) midway between two bubbles and an example of this velocity profile compared with the symmetrical mean profile and fitted data (U G ¼ 0.042 m/s, U L ¼ 0.042 m/s)
Fig. 3. (a) Normalized velocity profiles across the microchannel in the middle of the liquid slug for the different operating conditions
Fig. 5. Effect of the curved bend on the recirculation flow in the liquid slug between two Taylor bubbles for superficial velocities U G ¼ 0.031 m/s and U L ¼ 0.031 m/s.
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