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ICLASS 94<br>Proceedings of the Sixth International Conference on Liquid Atomization and Spray Systems

ISBN:
978-1-56700-019-1 (Print)
978-1-56700-445-5 (Online)

DROPLET MOTION IN AN ELECTROHYDRODYNAMIC FINE SPRAY

J.M. Grace
University of Notre Dame Notre Dame IN, USA

P.F. Dunn
University of Notre Dame Notre Dame IN, USA

Abstract

The results of a combined experimental and numerical study on droplet behavior within an electrohydrodynamic fine spray are presented. Experiments were conducted specifically to characterize the motion of droplets within the spray. Light-sheet visualizations and measurements of droplet speed and velocity using laser-based, single-particle counters were obtained. Additionally, a numerical simulation of the droplet motion within the spray was made and compared to the experimental results. The electrohydrodynamic fine spray of ethanol droplets (~1 to 40 µm diameter) was generated using a typical capillary-plate configuration, with a capillary tip electric field intensity of ~ 106 V/m.