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The first four years of my academic study were at the University of the Aegean, in Greece reading for a BSc in Mathematics that was completed in 2015. During that period, I took modules in subjects ranging from Analysis and Group Theory to Numerical Analysis and Scientific Computation. In my third year of study, I tackled a research problem of certain engineering significance in Fluid Dynamics. There, I studied steady, isothermal, Poiseuille flows of weakly compressible Newtonian fluids, under the assumption that both the mass density and the shear viscosity vary linearly with pressure. My BSc's dissertation was on Ergodic Theory. In addition, during my last year, I delivered small seminar talks in Fourier Analysis. I graduated with distinction from Heriot-Watt University, in Edinburgh in 2016 with an MSc in Mathematics. My MSc's dissertation dealt with Finite Element Approximation of Steady Flows of Non-Newtonian Fluids. I derived results concerning the numerical approximation of the weak solutions of the generalised Navier-Stokes system with shear rate dependent viscosity in the power-law model in the stationary settings.
Surface active molecules (surfactants) are often added to aqueous inks in order to lower the surface tension. However, the rapid expansion of the free surface during jetting means that local areas of surface will be depleted of surfactants leading to surface tension gradients. Such Marangoni stresses are known to play a critical role during drop drying, however, their effects on jet break-up have not been explored. Consequently, my project will extend our physical understanding of inkjet printing and will allow industry to take advantage of these advances in science. The project is supported by Ricoh and it will contribute to Ricoh's development and progression of inkjet printing as well as a better understanding of surfactants' behaviour in inkjet printing
The area helps me first to develop a solid background in Fluid Dynamics developing theoretical, computational and experimental techniques that I have not seen in my previous years of study. The CDT offers experience in applications valuable to both academia and industry and crucial for research and future professional career development. Finally, the interdisciplinary nature of the programme provides one with the opportunity to examine Fluid Dynamics within a vast range of adjacent topics and other interrelated areas.