Abstract
The breakup point of an elliptical liquid bridge was investigated experimentally in a Plateau chamber using two density-matched liquids. The objective was to show that a liquid bridge with elliptical end plates is more stable than a companion circular bridge whose end plates are of the same area as the ellipses. The volume in the elliptical liquid bridge was fixed to be the same as the volume of the hypothetical companion cylindrical bridge at its theoretical critical point. The end plates were parallel and oriented so that they were not twisted with respect to one another. Using two different sizes of ellipses whose semimajor axes were slightly deviated from the radii of the companion circles, it was found that the elliptical liquid bridge breakup point was nearly 3% longer than the corresponding circular bridge. This demonstrated that a deviation from the circular geometry offers greater stability.
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