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Quantitative visualization of swirl and cloud bubbles in Taylor–Couette flow

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Academic year: 2021

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Fig. l  a Triple capture mode  [red  (cloud bubbles) and  green  (swirl bubbles)]. b Experimental setup of vertical Taylor  Couette  flow system (scale does not fit with reality)
Fig. 2 a Snapshot of bubble distribution in toroidal regime (Re 1500; a 0.14 %), and b corresponding bubble size distribution, where the mean value is 0.09d equivalent to D b 1:08 mm
Fig. 5 Space time diagram of advecting bubbles in elevated toroidal mode (ETM) extracted at r 0 for Re 1500 and a 0:14 % (green swirl bubbles and red cloud bubbles)

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