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Study of Fluid Flow through Scaled-up Ink Jet Nozzles

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1 Author(s)
Levanoni, M. ; IBM System Products Division and is located at the IBM Thomas J. Watson Research Center, Yorktown Heights, NY 10598, USA

A 100-fold scaled-up model of ink jet nozzle flow is described. A theoretical justification for scaling the relevant parameters, starting from the equations of motion, is presented. The scaling procedure and the effects of unscaled parameters are discussed as well as the scaled-up “ink.” Following a description of the experimental apparatus, the results of a series of experiments are then presented. These consist of directionality, directional stability and flow efficiency measurements in four nozzle configurations: conical, cylindrical, square, and “hybrid” nozzles.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

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IBM Journal of Research and Development  (Volume:21 ,  Issue: 1 )