Variable–focus liquid lens simulation. (10th April 2015)

• Record Type: Journal Article
• Authors: Ghazian, Osameh; Sabarinathan, Jayshri
• Is Part Of: International journal of engineering systems modelling and simulation. Volume 7:Number 2(2015)
• Page Start: 125
• Page End: 135
• Publication Date: 2015-04-10
• Subjects: fluidic lens -- electrowetting -- contact angle -- simulation -- variable–focus lenses -- liquid lens -- incompressible fluids -- flow modelling -- fluid flow -- electrohydrodynamics -- finite element method -- FEM -- viscosity ratio -- time response -- cameras; Engineering systems -- Computer simulation -- Periodicals; Engineering systems -- Mathematical models -- Periodicals; 620.0042
• Languages: English
• ISSNs: 1755-9758

Abstract

A numerical study of liquid–based variable lenses is presented in this paper. The effect of applied voltage and the contact angle of the surface are taken into account. The conservation of mass and the Navier–Stokes equations for a Newtonian incompressible fluid were solved to model the fluid flow both inside and outside the droplet. The electrohydrodynamic equations have been solved using the commercial software COMSOL MULTIPHYSICS™ based on the finite element method. It was found that by increasing the viscosity ratio, the time response decreases which can be suitable for camera purposes.