Article,

Drop Formation in a One-Dimensional Approximation of the Navier–Stokes Equation

, and .
Journal of Fluid Mechanics, (Oct 3, 1994)
DOI: 10.1017/s0022112094000480

Abstract

We consider the viscous motion of a thin axisymmetric column of fluid with a free surface. A one-dimensional equation of motion for the velocity and the radius is derived from the Navier–Strokes equation. We compare our results with recent experiments on the breakup of a liquid jet and on the bifurcation of a drop suspended from an orifice. The equations form singularities as the fluid neck is pinching off. The nature of the singularities is investigated in detail.

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