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Title: Experimental study of electrical primary break-up of a thin sheet of dielectric liquid controlled by an electroHydrodynamic actuator
Authors: Louste, Christophe
Daaboul, Michel 
Traore, Philippe
Romat, Hubert
Affiliations: Department of Mechanical Engineering 
Issue Date: 2010
Publisher: ILASS
Part of: Europe 2010, 23rd Annual Conference on Liquid Atomization and Spray Systems
Start page: 1
End page: 7
Conference: European Conference on Liquid Atomization and Spray Systems, ILASS - Europe 2010 (23rd : 6-8 September, 2010 : Brno, Czech Republic) 
This paper is an experimental study of the primary break-up induced by an ElectroHydroDynamic actuator. Experiments have been performed on thin sheet of commercial diesel oil without active surface agent. The flow rate and the liquid sheet thickness are similar to the ones used in turbo engines. In conventional injectors the disintegration of liquid sheets or liquid jets into required droplets is mainly controlled by a centrifugal force or a highpressure injection or a shear air flow or any other form of mechanical disturbance. In this article, the atomization is obtained by using only electrical forces. The liquid sheet produces by the injector is stable when the EHD actor is switched off. On the contrary it is fully atomized when the actuator is on. Investigations have been made with a high speed camera on the primary break-up modes and on the droplet formation mechanisms.
Open URL: Link to full text
Type: Conference Paper
Appears in Collections:Department of Mechanical Engineering

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