Abstract
Experimental observations of a new phenomenon, lock-in states in the dripping mode of a capillary jet are presented. An externally forced capillary jet is studied within a deterministic chaos framework. The jet at low Weber numbers exhibits different behaviors depending on the amplitude of forcing and the ratio of the drip and forcing frequencies. Lock-in regions, which widen in extent with increase in forcing amplitude, along with quasiperiodic states are observed. These results suggest preliminarily that the capillary jet can be modeled by circle map dynamics, and support the idea that absolutely unstable flows are amenable to description by a ‘dynamical systems’ approach.
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Olinger, D.J. Lock-in states in the dripping mode of the capillary jet. Experiments in Fluids 15, 155–158 (1993). https://doi.org/10.1007/BF00190955
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DOI: https://doi.org/10.1007/BF00190955