| Capillary Pressure |
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In Fluid Statics , capillary pressure is the difference in Pressure across the interface between two immiscible Fluid s. The pressure difference is proportional to the Surface Tension , , and inversely proportional to the effective radius, , of the interface, it also depends on the Wetting Angle , , of the liquid on the surface of the capillary. : The capillary pressure is defined as : for the case of one phase being gas with pressure and the other phase being water with pressure . The equation for capillary pressure is only valid under capillary equilibrium, which means that there can not be any flowing phases. SEE ALSO REFERENCES
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