Experimental Soft Condensed Matter Group Harvard University, Prof. D. A. Weitz Cool Picture of the Moment

This movie shows the injection of a fluid in a coflowing immiscible fluid. The flow rate of the inner fluid is kept constant while the one of the outer fluid is increased suddenly. A transition from a large jet to a droplet regime and to another thin jet regime is observed. One jet is stabilized by the confinement whereas the other is stabilized by the speed.

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