A method for quantitatively characterizing the contribution of flow field shear to interfacial free energy in oil-water emulsification process
A technology of oil-water emulsification and quantitative characterization, which is applied in difficult areas and can solve problems such as unrealized quantitative characterization and inconvenient calculations
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[0069] Below in conjunction with accompanying drawing, the present invention will be further described:
[0070] like figure 1 As shown, in the shear flow field 1 with a velocity gradient perpendicular to the flow direction of the oil-water medium, the original spherical oil-water emulsion droplet is deformed by the shear action of the flow field, and the radius 2 of the spherical droplet is deformed into an ellipse spherical droplet 3, and induce an orientation angle 6, and at the same time due to the axisymmetric nature of the deformation, the major axis 4 of the ellipsoid and the minor axis 5 of the ellipsoid have the same and are proportional to the deformation value of the radius 2 of the spherical droplet deformation value.
[0071] like figure 2 As shown, for the deformed ellipsoidal droplet 3, the semi-ellipsoidal droplet 7 is affected by the oil-water interfacial tension, the droplet shape restoring force 8 opposite to the deformation direction, and the viscous she...
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