Nomenclature a-large diameter of the sprayer aperture, mm; b-small diameter of the sprayer aperture, mm; Dlargediameter of the impacting zone, mm; Doverlapoverlapping zone width, mm; F-section area of the sprayer aperture, mm 2 ; g-fluid dispersion, mm 3 /mm 2 .s; g ̅-average dispersion, mm 3 /mm 2 .s; gmax-maximum fluid dispersion, mm 3 /mm 2 .s; gexp-fluid dispersion obtained by experiments, mm 3 /mm 2 .s; gthe-fluid dispersion obtained by summation law of both jets, mm 3 /mm 2 .s; H-distance between sprayer and plane surface, mm; Hoverlap-overlapping area height, mm; h-depth of the sprayer slit, mm; K-dimensionless number characterizes relation between dispersions; K1-hydrodynamic statistical parameter, kg/mm 2 .s; K2-geometrical statistical parameter, mm; L-Nozzles spacing, mm; n-integer represents number of points; R-inner radius of the sprayer channel, mm; Ssection of the recovery tube, mm 2 ; V-volume of recovered fluid, mm 3 ; xi-coordinate on the x axis; yi-coordinate on the y axis; xmax-radius of the impacting water along the x axis, mm; ymax-radius of the impacting water along the y axis, mm; Greek Symbols-AP-pressure variation, MPa; φ-opening angle of the sprayer, deg; δthickness of the bottom's sprayer, mm; τtime, s; ρ-mass density, kg/m 3 ; σxvariance; σyvariance; ξ-dimensionless geometrical parameter.