Improved models for drop-on-demand ink-jet shortening

Hoath, SD and Martin, GD and Hutchings, IM (2010) Improved models for drop-on-demand ink-jet shortening. In: UNSPECIFIED pp. 353-355..

Abstract

A previous 1-D model for the shortening of an unbroken drop-on-demand ink-jet ligament has been extended to the case of an arbitrary attached tail mass, and can also include extensional viscosity (which has ∼ 2% effect) as well as linear elasticity in the fluid. Predictions from the improved model are shown to be very similar to results from 2-D axisymmetric numerical simulations of DoD ink-jet ligaments and also to the results of recent experiments on Newtonian fluids jetted without satellite formation.