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            <funder>We thank the University of Liège - Gembloux Agro - Bio Tech and in particular TERRA - AgricultureIsLife’s platform for funding this research project. S.D thanks the support from FNRS as Senior Research Associate and Prof. N. Vandewalle for the use of GRASP facilities. G.C thanks the financial support of the Ministry of Higher Education and Scientific Research-Tunisia . The authors thank the support of the Electro-Mechanical workshop (AGEM) of the University of Liège.</funder>
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              <p>In this article, we study the division of a non-laminar Savart sheet into individual jets by mean of local disturbances. We paint a precise portrait of a free non-laminar Savart sheet formed by the vertical impact of a jet on a horizontal disk, its evolution in the air and its break up.We then generate local disturbances, outside of the disk circumference, triggered by N radial triangular prisms placed directly in the non-laminar sheet. We show that, under given flow conditions and geometrical parameters for the triangular prisms, the sheet splits into individual jets. Depending on the incoming flow rate Q and on the geometry of the prism, the number of jets n can be either stable (and equal to N jets) or variable due to elastic coalescing of neighboring jets. Phase diagrams (Q, n) are obtained from experimental measurements for different geometrical parameters of triangular prisms. A semi-empirical model, which explains the generation of individual jets, is established. Finally, we characterize the droplets emitted from the non-laminar Savart sheet and from the jets in terms of diameters.</p>
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