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IBM Journal of Research and Development  
Volume 21, Number 1, Page 10 (1977)
Ink-jet Printing
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Scale Model of an Ink Jet

by S. A. Curry, H. Portig
A scale model, approximately fifty times the size of its prototype, was used to study drop formation of an ink jet. Viscosity, surface tension, and inertial forces were modeled; gravity and air drag forces were not. The model accurately predicted operating conditions leading to the formation of undesirable satellite drops, thus permitting evaluation of measures designed to avoid them.
Related Subjects: Measurement; Models and modeling; Printing, ink jet